BULLETIN NUMBER 27 TABLE OF CONTENTS PAGE SEISMICITY OF THE SOUTHEASTERN U.S. DURING 1992.......................... 1 Acknowledgments........................................................ 2 References............................................................. 2 SEUSSN EARTHQUAKE CATALOG STATISTICS..................................... 7 PARAMETERS FOR SOUTHEASTERN U.S. EARTHQUAKES DURING 1992................. 13 SEISMIC STATION LISTING AND NETWORK MAPS................................. 51 AN INTRODUCTION TO ACCESSING NEAR REAL-TIME DIGITAL WAVEFORM DATA AND OTHER INFORMATION AT THE VIRGINIA TECH SEISMOLOGICAL OBSERVATORY....... 57 DEFINITIONS AND NETWORK OPERATOR CODES................................... 59 APPENDIX A: Intensity Report For August 21, 1992 Ladson/Summerville, South Carolina, Earthquake............................................. 61 APPENDIX B: Addenda..................................................... 65 MAILING LIST............................................................. 77 FIGURES 1. Epicenter Map for the Report Period............................... 3 2. Epicenter Map for the Report Period (Scaled to Magnitude)......... 4 3. Epicenter Map for the Period from July 1977 through this Report Period..................................................... 5 4. Epicenter Map for the Period from July 1977 through this Report Period (Scaled to Magnitude, M ge 3.0)............................ 6 5. Focal Depth Distributions of Southeastern U.S. Earthquakes........ 8 6. Magnitude Distributions of Southeastern U.S. Earthquakes.......... 9 7. Magnitude Recurrence Relation for the Southeastern U.S............ 10 8. Cumulative Strain Factor Histories for the Southeastern U.S....... 11 9. Epicenter Density Contour Map (Scaled to Magnitude, M ge 2.0)..... 12 10. Seismic Stations Operating During Report Period................... 53 11. Georgia Tech - Geological Survey of Alabama Seismic Network....... 54 12. South Carolina Seismic Network.................................... 54 13. Center for Earthquake Research and Information - SARSN............ 55 14. Tennessee Valley Authority Seismic Network........................ 55 15. Virginia Tech Seismic Network..................................... 56 TABLES 1. SEUSSN Report Period/Cumulative Earthquake Catalog Statistics..... 7 2. Estimates of Completeness for the Southeastern United States...... 9 SEISMICITY OF THE SOUTHEASTERN U.S. DURING 1992 There were 95 earthquakes (0.2 le M le 4.1) located within the SEUSSN monitoring area during 1992. Thirteen of those were felt: ten in South Carolina (3 January 04:21, MD= 3.4, MMI= V; 19 February 06:38, MD= 1.2, MMI= II; 29 February 21:53, MD= 1.3, MMI= I; 8 March 12:44, MD= 0.8, MMI= I; 7 May 08:40, MD= 1.0, MMI= I; 7 May 20:11, MD= 1.5, MMI= I; 9 August 10:44, MD= 0.8, MMI= I; 21 August 14:27, MD= 1.2, MMI= II; 21 August 16:31, mb(Lg) = 4.1 and MD= 4.1, MMI= VI; and 21 August 17:36, MD= 0.6, MMI= I); one in Tennessee (5 May 01:29, MD= 2.7, Felt); and two in Virginia (19 May 08:45, MD= 2.0, MMI= III; and 25 December 18:33, MD = 2.2, MMI = II). Earthquakes reported include 7 in Alabama, 13 in Georgia, 2 in Kentucky, 3 in North Carolina, 29 in South Carolina, 31 in Tennessee, 7 in Virginia, and 3 in West Virginia. The areas of highest activity were South Carolina and eastern Tennessee. Figures 1 and 2 are epicenter maps of tectonic earthquakes (M ge 0) located within the region during the report period. Figures 3 and 4 are cumulative epicenter maps for the 14.5 year period from July 1977 through December 1992 (SEUSSN Bulletins 1 through 27). SEUSSN EARTHQUAKE CATALOG STATISTICS includes report period and cumulative earthquake catalog statistics (page 7), focal depth distribution plots (page 8), magnitude distribution plots (page 9), estimates of catalog completeness (page 9), a magnitude recurrence relation (page 10), cumulative strain factor history plots (page 11), and an epicenter density contour map (page 12). PARAMETERS FOR SOUTHEASTERN U.S. EARTHQUAKES DURING 1992 lists hypocentral parameters, magnitudes, and arrival times for tectonic earthquakes (i.e., not reservoir related) in the southeastern United States. The largest earthquake for the report period was an mb(Lg)= 4.1 event (21 August 16:31) that was felt with MMI= VI between Middleton Place and Summerville, South Carolina, as well as the city of Charleston (V). Shortly after the earthquake, Westinghouse Savannah River Company and University of South Carolina personnel deployed aftershock monitoring equipment (see earthquake list for more details). Charleston Southern University conducted a very detailed intensity survey of effects reported for the main shock and its associated events (see Appendix A). There were no reservoir related events (M > 2) reported in 1992. SEISMIC STATION LISTING AND NETWORK MAPS contains a listing of seismic stations operating during the report period and maps showing the major network operators in the region. The number of stations operating during 1992 was 100 (network attrition 4%). The SEUSSN monitoring area is considered to include all of Florida, Georgia, Alabama, South Carolina, North Carolina, Virginia, West Virginia (south of latitude 37.72 deg N), Maryland, and Delaware; and includes Tennessee and Kentucky - east of longitude 87 degrees West (see Figure 10). AN INTRODUCTION TO ACCESSING WAVEFORM DATA FILES AND OTHER INFORMATION AT THE VIRGINIA TECH SEISMOLOGICAL OBSERVATORY discusses how to download waveform files, in near real-time, from the Virginia Tech Seismological Observatory using anonymous ftp. Information that can be accessed includes Virginia Tech network and BLA GSETT-2 waveforms, network station locations, calibration information, SEUSSN Bulletin listings and catalogs, and software for conversion between waveform data formats. DEFINITIONS AND NETWORK OPERATOR CODES contains definitions of various terms and abbreviations used in the Bulletin as well as a listing of codes for network operators and/or contributors. APPENDIX A: Intensity Report For August 21, 1992 Ladson/Summerville, South Carolina Earthquake by Dr. Joyce Bagwell of Charleston Southern University describes the effects reported for this earthquake. APPENDIX B: Addenda lists hypocentral parameters, magnitudes, and arrival times from TVA for earthquakes during the last half of 1991. Acknowledgments This report is the twenty-seventh BULLETIN OF SEISMICITY OF THE SOUTHEASTERN UNITED STATES and covers the period from January through December, 1992. The organizations supplying data for this Bulletin are Charleston Southern University (formerly Baptist College at Charleston), the Delaware Geological Survey, Georgia Institute of Technology, Memphis State University (Center for Earthquake Research and Information), the Tennessee Valley Authority, the University of South Carolina, the United States Geological Survey, the Virginia Division of Mineral Resources, Virginia Polytechnic Institute and State University (Virginia Tech Seismological Observatory), the West Virginia Geological and Economic Survey, and the Westinghouse Savannah River Company (formerly E. I. DuPont de Nemours and Company, Inc.). In addition to the support furnished by the host institutions of the network contributors, partial or full support by other agencies for the operation of portions of the SEUSSN is gratefully acknowledged. The agencies providing support to the members of SEUSSN are as follows: The Georgia Power Company, The National Science Foundation, The Nuclear Regulatory Commission, The Tennessee Valley Authority, The United States Geological Survey, Virginia Power. References Bollinger, G. A., Frederick C. Davison, Jr., Matthew S. Sibol, and Jeffrey B. Birch, (1989), Magnitude recurrence relations for the southeastern United States and its subdivisions, Journal of Geophysical Research, 94, pp. 2857-2873. Chapman, M. C., J. A. Snoke, and G. A. Bollinger, (1988), A procedure for calibrating short-period telemetered seismograph systems, Bulletin of the Seismological Society of America, 78, pp. 2077-2088. Hoaglin, David C., Frederick Mosteller, and John W. Tukey, (1983), Understanding Robust And Exploratory Data Analysis, John Wiley & Sons, New York, NY, 447 pp. Lahr, J. C., (1980), HYPOELLIPSE/VAX: A computer program for determining local earthquake hypocentral parameters, magnitude, and first-motion pattern, U.S. Geological Survey Open-File Report 80-59, 59 pp. Lee, W. H. K., and J. C. Lahr, (1974), HYPO71: A computer program for determining hypocenter, magnitude, and first motion pattern of local earthquakes, U.S. Geological Survey Open-File Report 75-311, Revised: January 1974, 134 pp. Lee, W. H. K., and S. W. Stewart, (1981), Principles and Applications of Microearthquake Networks, Academic Press, New York, NY, 293 pp. Nuttli, O. W., (1973), Seismic wave attenuation and magnitude relations for eastern North America, Journal of Geophysical Research, 78, pp. 876-885. Shedlock, Kaye M., (1987), Earthquakes recorded by the South Carolina Seismic Network (1974-1986), U.S. Geological Survey Open-File Report 87-437, 92 pp. FIGURE 1. Epicenters (circles) for earthquakes (M ge 0.0) in the Southeastern United States for this report period. FIGURE 2. Epicenters (circles scaled to magnitude) for earthquakes (M ge 0.0) in the Southeastern United States for this report period. FIGURE 3. Epicenters (circles) for earthquakes (M ge 0.0) in the Southeastern United States from July 1977 through this report period. FIGURE 4. Epicenters (circles scaled to magnitude) for earthquakes (M ge 3.0) in the Southeastern United States from July 1977 through this report period. SEUSSN EARTHQUAKE CATALOG STATISTICS TABLE 1 SEUSSN Report Period/Cumulative Earthquake Catalog Statistics PERIOD: January through December 1992 (1 year) Tectonic Reservoir Number of Earthquakes with M ge 0.0 .................... 95 0 Number of Earthquakes with M ge 2.5 .................... 6 0 Number of Earthquakes with M ge 3.5 .................... 1 0 Number of Felt Earthquakes.............................. 13 0 Rate of Earthquakes with M ge 0.0 (per year)............ 95 0.0 Rate of Earthquakes with M ge 2.5 (per year)............ 6.0 0.0 Rate of Earthquakes with M ge 3.5 (per year)............ 1.0 0.0 Rate of Felt Earthquakes (per year)..................... 13 0.0 Mean Earthquake Magnitude............................... 1.6 Median Earthquake Magnitude............................. 1.7 Number of Earthquakes with Known Dmin le 5.0 km......... 8 0 Number of Earthquakes with Known Dmin le 10.0 km........ 25 0 Number of Earthquakes with Known Dmin le 25.0 km........ 56 0 Number of Earthquakes with Known ERH le 5.0 km.......... 79 0 Number of Earthquakes with Known ERZ le 5.0 km.......... 79 0 Number of Blasts or Questionable Events Reported........ 0 Number of Events Outside the SEUSSN Area Reported....... 0 Number of Seismograph Stations Operating................ 100 Largest Earthquake......: 21 August 1992; 16:31 - Summerville, SC mb(Lg)= 4.1, MDL= 4.1, MMI= VI PERIOD: July 1977 through December 1992 (15.5 years) Tectonic Reservoir Number of Earthquakes with M ge 0.0 ....................1270 681 Number of Earthquakes with M ge 2.5 .................... 207 63 Number of Earthquakes with M ge 3.5 .................... 25 2 Number of Felt Earthquakes.............................. 149 20 Rate of Earthquakes with M ge 0.0 (per year)............ 82 44 Rate of Earthquakes with M ge 2.5 (per year)............ 13 4.1 Rate of Earthquakes with M ge 3.5 (per year)............ 1.6 0.1 Rate of Felt Earthquakes (per year)..................... 9.6 1.3 Mean Earthquake Magnitude............................... 1.6 1.4 Median Earthquake Magnitude............................. 1.6 1.4 Number of Earthquakes with Known Dmin le 5.0 km......... 90 75 Number of Earthquakes with Known Dmin le 10.0 km........ 225 108 Number of Earthquakes with Known Dmin le 25.0 km........ 693 140 Number of Earthquakes with Known ERH le 5.0 km..........1124 172 Number of Earthquakes with Known ERZ le 5.0 km.......... 958 116 Number of Blasts or Questionable Events Reported........ 182 Number of Events Outside the SEUSSN Area Reported....... 12 Largest Earthquake........: 27 July 1980; 18:52 - Sharpsburg, KY mb = 5.2, MMI = VII FIGURE 5. Focal depth distributions of Southeastern U.S. earthquakes. The upper half of the figure shows the interval (left) and cumulative (right) depth distributions for the current report period (M ge 0.0, known ERZ le 5.0 km, Dmin le 20 km, and free depth determination) while the lower half of the figure is a similar display for earthquakes reported during the period from July 1977 through this report period. Displayed above both interval distributions is a box plot (Hoaglin and others, 1983, pp. 58-65). Indicated are the mean (star), the 25% and 75% quartile (box outline), the median (center bar), the upper and lower adjacent values (small vertical bars), and outliers (small squares). On the cumulative depth distributions arrows show the 10% and 90% depths. TABLE 2 Estimates of Completeness (Years) By Magnitude For The Southeastern United States And Subregions (Bollinger and Others, 1989) MAGNITUDE 2.25 2.75 3.25 3.75 4.25 4.75 5.25 5.75 6.25 6.75 Southeastern US 6 10 15 85 145 145 215 215 215 215 Valley & Ridge and Blue Ridge 9 10 20 75 110 215 215 215 215 215 Piedmont 10 10 115 215 215 215 215 215 215 215 Coastal Plain 10 10 60 145 145 215 215 215 215 215 Giles County, VA 10 15 15 30 30 215 215 215 215 215 Central Virginia 15 60 215 215 215 215 215 215 215 215 Eastern Tennessee 5 10 10 85 115 115 215 215 215 215 Charleston, SC 10 70 70 70 130 215 215 215 215 215 FIGURE 6. Magnitude distributions of southeastern U.S. earthquakes. The left half of the figure shows the interval magnitude distribution for the report period while the right half of the figure shows a similar distribution for earthquakes from July 1977 through this report period. Displayed above both distributions is a box plot (Hoaglin and others, 1983, pp. 58-65). Indicated are the mean (star), the 25% and 75% quartile (box outline), the median (center bar), the upper and lower adjacent values (small vertical bars), and outliers (small squares). FIGURE 7. Magnitude recurrence relation for the Southeastern U.S. The upper half of the figure shows the seismicity map with historical (circles) and network (X's) epicenters for the time period 1772-1986. The lower half of the figure shows a plot of Log(NI) (interval number of earthquakes per year, M +- 0.25) versus mb(Lg) for the southeastern U.S. The maximum likelihood line includes 95% confidence intervals (Bollinger and others, 1989). FIGURE 8. Cumulative strain factor histories for the Southeastern U.S. The upper half of the figure shows the cumulative strain factor history for the report period, while the lower half of the figure shows a similar plot for earthquakes from July 1977 through this report period. FIGURE 9. Epicenter density contour map for earthquakes (circles scaled to magnitude; M ge 2.0) in the Southeastern United States from July 1977 through this report period. Contours represent number of earthquakes within 50 km of a grid point scaled to number per 10,000 square km; grid spacing is 0.2 degrees. Lowest and highest contours are 5 and 20 events per 10,000 square km, respectively (contour interval is 5). PARAMETERS FOR SOUTHEASTERN U. S. EARTHQUAKES DURING 1992 Events are listed chronologically (this also applies to multiple hypocenter locations for the same event). All times are Universal Coordinated Time. Most entries in the listing are self-explanatory. Items that might require further explanation are defined in the section entitled DEFINITIONS AND NETWORK OPERATOR CODES. ***** 1992 JANUARY 3; 04:21 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CSU Felt (V?) at Mt. Carmel, South Carolina. Magnitude 3.7. NEIC Felt (IV) at Mt. Carmel, South Carolina, and (III) at Troy, South Carolina. Also felt (III) at Lincolnton, Georgia. Standard deviation 0.7 on 10 of 10 observations. CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I NEIC 920103 042122.2 33.946 82.465 5.0F 10 32 3.2 4 TVA 920103 042122.7 33.925 82.456 1.0 46 150 227 0.5 D C/D 0.8 -37 0.4 0.6 A 3.4 CERI 920103 042122.9 33.955 82.481 10.5 30 147 229 0.2 C B/D 1.0 -43 0.4 2.5 B 3.5 USC 920103 042123.9 33.981 82.421 3.3 14 13 259 0.0 C A/D 0.5 360 0.5 0.3 3.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) NEIC PRM 17.8 32 iPd 04:21:26.07 ( 0.5 ) NEIC JSC 116.8 71 ePn :42.08 (-0.5 ) eS 04:21:55.34 ( X) NEIC LHS 163.5 68 ePnc :49.48 ( 0.1 ) eS :22:09.13 ( X) NEIC SGS 200.2 114 ePnc :54.48 ( 0.4 ) eS :19.63 ( X) NEIC HBF 224.6 119 ePnc :57.44 ( 0.2 ) eS :26.83 ( X) NEIC TKL 224.6 328 ePnc :58.23 ( 0.9 ) eS :24.71 ( X) NEIC NAV 403.7 22 ePn :22:20.58 ( 0.3 ) eS :23:12.37 ( X) ePg :27.65 ( X) NEIC BLA 407.0 26 ePn :20.38 (-0.4 ) eSn :14.65 ( X) ePg :28.88 ( X) eSg :19.26 ( X) NEIC PWLA 527.1 284 ePn :35.39 (-0.7 ) eS :47.70 ( X) ePg :45.61 ( X) NEIC CVL 574.9 38 ePnd :41.19 (-1.0 ) TVA TRYN 150.1 7 ePc 04:21:46.78 ( 0.02 ) eS 04:22:04.44 ( 0.62 ) TVA BBG 163.1 311 eP :48.52 (-0.33 ) TVA RBNC 166.1 343 eP- :49.24 (-0.09 ) eS :08.10 (-0.10 ) TVA WSSR 182.0 326 ePd :51.82 (-0.05 ) eS :13.44 ( 0.89 ) TVA ATL 182.8 253 P :52.10 ( 0.11 ) S :13.10 ( 0.34 ) TVA BENN 195.9 22 ePc :54.14 ( 0.05 ) eS :16.60 ( 0.24 ) TVA BRBC 201.8 4 ePc :54.76 (-0.28 ) eS :19.64 ( 1.67X) TVA CDG 217.8 291 P :57.80 ( 0.22 ) S :22.80 ( 0.48 ) TVA TKL 227.0 328 ePc :58.24 (-0.57 ) eS :24.60 (-0.24 ) TVA GMG 228.7 298 eP- :58.24 (-0.86 ) eS :25.30 (-0.01 ) TVA ETT 240.4 311 eP :22:00.26 (-0.23 ) eS :27.92 (-0.40 ) TVA GFM 249.6 14 eP :01.48 (-0.27 ) eS :31.08 ( 0.54 ) TVA PKNC 263.5 26 eP :02.72 (-0.64 ) eS :32.64 (-0.76 ) TVA BRTN 272.4 352 eP :04.86 ( 0.42 ) eS :34.24 (-1.08 ) TVA TQTN 272.8 311 eP- :04.50 ( 0.05 ) eS :35.60 ( 0.26 ) TVA WMTN 273.7 303 eP :04.58 ( 0.01 ) eS :35.54 (-0.02 ) TVA ORT 277.5 323 eP+ :06.27 ( 1.22 ) iS :36.12 (-0.28 ) TVA SMTN 280.5 347 ePd :05.90 ( 0.44 ) eS :41.50 ( 4.38X) TVA SLTN 281.1 6 eP- :05.02 (-0.56 ) iS :38.17 ( 0.85 ) TVA RCG 290.2 294 eP+ :06.24 (-0.38 ) TVA BHT 311.8 314 eP :09.08 (-0.25 ) TVA CCVA 316.9 340 eP :10.22 ( 0.29 ) TVA PLVA 326.2 21 eP :10.46 (-0.69 ) TVA ONTN 336.5 328 eP :12.97 ( 0.63 ) eS :53.77 ( 4.46X) TVA PDTN 345.4 297 eP :14.15 ( 0.74 ) iS :56.10 ( 4.90X) TVA ANTN 355.3 315 eP :15.72 ( 1.06 ) TVA ABTN 398.5 304 iP :19.87 (-0.09 ) TVA MSAL 401.1 286 eP+ :24.62 ( 4.34X) eS :23:10.32 ( 6.96X) TVA FDKY 439.4 317 eP :24.32 (-0.68 ) TVA LAL 453.6 279 eP :25.82 (-0.93 ) TVA TCT 519.5 298 eP :35.62 ( 0.75 ) eS :34.52 ( 5.33X) TVA MOTN 585.2 302 eP :45.92 ( 2.96X) CERI TRYN 147.2 8 ePc 04:21:46.78 (-0.06 ) eS 04:22:04.44 ( 0.11 ) CERI BBG 159.2 310 eP :48.52 (-0.20 ) CERI RBNC 162.3 344 eP- :49.24 ( 0.00 ) eS :08.10 (-0.38 ) CERI WSSR 178.0 326 ePd :51.82 ( 0.23 ) eS :13.44 ( 0.89 ) CERI ATL 181.5 252 P :52.10 ( 0.06 ) S :13.10 (-0.23 ) CERI BENN 193.8 23 ePc :54.14 ( 0.17 ) eS :16.60 (-0.07 ) CERI BRBC 198.8 5 ePc :54.76 (-0.07 ) eS :19.64 ( 1.48X) CERI CDG 214.4 290 P :57.80 ( 0.72 ) S :22.80 ( 0.76 ) CERI TKL 223.0 328 ePc :58.24 (-0.16 ) eS :24.60 ( 0.27 ) CERI GMG 225.1 297 eP- :58.24 (-0.54 ) eS :25.30 ( 0.31 ) CERI ETT 236.4 311 eP :22:00.26 (-0.21 ) eS :27.92 ( 0.00 ) CERI GFM 247.0 14 eP :01.48 (-0.67 ) eS :31.08 ( 0.27 ) CERI PKNC 261.6 27 eP :02.72 (-1.09X) eS :32.64 (-1.05X) CERI TQTN 268.8 311 eP- :04.50 (-0.12 ) eS :35.60 ( 0.51 ) CERI BRTN 268.8 353 eP :04.86 ( 0.19 ) eS :34.24 (-0.94 ) CERI WMTN 269.9 303 eP :04.58 (-0.19 ) eS :35.54 ( 0.19 ) CERI ORT 273.5 323 eP+ :06.27 ( 1.06X) iS :36.12 ( 0.01 ) CERI SMTN 276.8 347 ePd :05.90 ( 0.24 ) eS :41.50 ( 4.61X) CERI SLTN 278.1 7 eP :04.88 (-0.86X) eS :36.60 (-0.42X) CERI RCG 286.7 294 eP+ :06.24 (-0.59X) CERI BHT 307.9 314 eP :09.08 (-0.39X) CERI CCVA 313.0 340 eP :10.22 ( 0.17X) CERI PLVA 324.0 21 eP :10.46 (-1.05X) CERI ONTN 332.4 328 eP :12.97 ( 0.52X) eS :53.77 ( 5.14X) CERI PDTN 341.8 296 eP :14.15 ( 0.60X) iS :56.10 ( 5.55X) CERI ANTN 351.3 315 eP :15.72 ( 0.97X) CERI ABTN 394.7 304 iP :19.87 (-0.15X) CERI MSAL 398.0 286 eP+ :24.62 ( 4.21X) eS :23:10.32 ( 7.91X) CERI FDKY 435.4 317 eP :24.32 (-0.67X) CERI LAL 450.7 278 eP :25.82 (-1.05X) CERI TCT 515.9 298 eP :35.62 ( 0.79X) eS :34.52 ( 7.17X) CERI MOTN 581.4 302 eP :45.92 ( 3.09X) USC PRM 12.6 26 iPd 04:21:26.03 ( 0.00 ) USC MTT 77.0 109 iPd :36.39 ( 0.00 ) S 04:21:46.71 ( 0.05 ) USC JSC 112.2 73 iPu :42.03 (-0.03 ) S :56.48 (-0.50X) USC SMT 116.8 334 eP+ :42.10 (-0.70X) USC JVW 124.0 335 eP- :43.05 (-0.92X) USC LHS 158.6 70 iP+ :49.53 (-0.01 ) S :22:09.24 (-1.36X) USC COW 172.7 113 ePd :51.56 ( 0.11 ) S :15.72 ( 1.65X) USC VRN 173.0 127 iPu :51.48 (-0.01 ) S :14.10 (-0.04 ) USC SGS 197.6 116 iPd :54.61 ( 0.10 ) S :19.65 ( 0.01 ) USC DRC 212.3 117 ePd :56.36 (-0.02 ) S :23.08 ( 0.03 ) USC HBF 222.6 121 iPu :57.53 (-0.04 ) S :26.76 ( 1.54X) USC CFS 223.0 110 eP+ :57.45 (-0.17 ) S :26.76 ( 1.45X) USC SVS 231.0 119 ePd :55.07 (-3.53X) Additional Data: GIT ATL P 04:20:51.8 S 04:21:13.0 GIT CDG P :57.0 S :21.5 ***** 1992 JANUARY 3; 04:59 - WISE COUNTY, VIRGINIA ***** VTSO This event was barely perceptible on the VTSO network, so no location or evaluation of waveforms was possible. However, the event is located in a major coal producing area and, therefore, may be mining related. TVA This event looks like an earthquake and it is fairly close to the location of the November 1987 felt earthquake near Penington Gap, Virginia. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920103 045954.7 36.786 83.046 12.2 9 59 183 0.1 D C/D 1.7 -20 0.8 3.1 C 2.6 CERI 920103 045954.7 36.779 83.040 9.7 15 59 203 0.1 C B/D 1.5 -10 0.3 1.9 B 2.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CCVA 59.0 250 iPd 05:00:04.88 (-0.04 ) TVA SLTN 91.1 114 eP :10.00 ( 0.03 ) iS 05:00:20.87 (-0.27 ) TVA GFM 134.0 124 iPd :16.60 ( 0.03 ) TVA BRBC 134.7 149 iPc :16.92 ( 0.21 ) TVA TKL 141.2 208 eP :17.60 ( 0.05 ) eS :33.80 (-0.46 ) TVA ORT 149.0 230 eP :19.07 ( 0.31X) iS :36.62 ( 0.28X) TVA RBNC 158.6 178 iPd :20.20 (-0.15X) TVA PLVA 169.0 94 iPd :21.88 (-0.02 ) TVA WSSR 174.0 196 eP :22.44 (-0.23X) TVA TRYN 183.3 157 iPc :24.16 ( 0.11X) TVA BENN 184.0 137 iPc :24.48 ( 0.31X) TVA PKNC 188.2 115 ePd :25.72 ( 0.92X) TVA BHT 199.8 239 iPd :26.58 ( 0.01X) TVA ETT 205.7 219 ePc :27.20 (-0.26X) TVA TQTN 206.6 228 eS :54.80 ( 3.22X) TVA ANTN 207.3 251 iP :27.32 (-0.39X) eS :54.10 ( 2.28X) TVA BBG 223.0 198 ePd :29.86 (-0.32X) eS :56.78 ( 0.67X) TVA FDKY 245.3 271 eP :33.20 ( 0.44 ) eS :01:04.00 ( 3.43X) TVA GMG 258.9 215 iPd :36.18 ( 1.64X) iS :06.34 ( 2.70X) TVA RCG 289.0 227 eP :40.72 ( 2.59X) TVA TCT 413.4 259 eP :58.80 ( 5.49X) eS :38.50 ( 2.39X) CERI CCVA 59.3 251 iPd 05:00:04.88 (-0.02 ) CERI SLTN 90.3 114 eP :10.00 ( 0.11 ) iS 05:00:20.87 (-0.14 ) CERI GFM 133.1 123 iPd :16.60 ( 0.01 ) CERI BRBC 133.8 149 iPc :16.92 ( 0.20 ) CERI TKL 140.7 208 ePc :17.60 (-0.03 ) CERI ORT 149.0 230 eP :19.07 ( 0.17 ) iS :36.62 ( 0.03 ) CERI RBNC 157.8 178 iPd :20.20 (-0.19 ) CERI PLVA 168.4 94 iPd :21.88 (-0.08 ) CERI WSSR 173.5 196 eP :22.44 (-0.30 ) CERI TRYN 182.4 157 iPc :24.16 ( 0.10 ) CERI BENN 183.1 137 iPc :24.48 ( 0.31 ) CERI PKNC 187.4 115 ePd :25.72 ( 0.90X) CERI BHT 199.9 239 iPd :26.58 (-0.16 ) CERI ETT 205.5 219 ePc :27.20 (-0.38 ) CERI TQTN 206.5 228 eS :54.80 ( 2.99X) CERI ANTN 207.6 252 iP :27.32 (-0.58X) eS :54.10 ( 1.94X) CERI BBG 222.5 198 ePd :29.86 (-0.39X) eS :56.78 ( 0.55X) CERI FDKY 245.8 271 eP :33.20 (-0.49X) eS :01:04.00 ( 1.82X) CERI GMG 258.6 215 iPd :36.18 ( 0.82X) iS :06.34 ( 1.27X) CERI RCG 288.9 227 eP :40.72 ( 1.74X) CERI TCT 413.8 259 eP :58.80 ( 4.58X) eS :38.50 ( 0.80X) ***** 1992 JANUARY 4; 02:01 - MORRISTOWN, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920104 020122.1 36.275 83.520 2.6 31 33 88 0.2 C B/C 0.6 19 0.4 1.5 B 2.2 CERI 920104 020122.2 36.277 83.521 5.7 22 33 89 0.2 C B/C 0.3 -88 0.3 1.5 B 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA SMTN 32.6 69 iP 02:01:27.92 ( 0.04 ) TVA CCVA 38.7 340 iPc :29.10 ( 0.14 ) iS 02:01:33.84 (-0.16 ) TVA TKL 72.2 199 ePd :34.68 ( 0.09 ) eS :43.20 (-0.54 ) TVA ORT 81.5 240 eP :36.15 ( 0.02 ) S? :46.00 (-0.40 ) TVA ONTN 86.0 286 eP :36.40 (-0.49 ) eS :48.30 ( 0.59 ) TVA RBNC 112.7 154 iPc :41.24 (-0.16 ) TVA BRBC 126.1 118 iPd :43.24 (-0.24 ) TVA SLTN 127.0 81 eP :43.35 (-0.19 ) eS :59.10 (-0.12 ) TVA ETT 135.0 219 ePc :44.38 (-0.33 ) TVA ANTN 154.3 266 P? :47.55 (-0.11 ) S? :02:06.05 (-0.30 ) TVA GFM 155.1 96 ePd :48.20 ( 0.31 ) TVA BBG 157.6 190 eP :48.06 (-0.18 ) eS :07.68 ( 0.32 ) TVA TRYN 160.6 134 iPd :48.84 ( 0.19 ) TVA WMTN 173.9 229 eP :50.75 ( 0.10 ) eS :12.15 ( 0.63 ) TVA BENN 185.4 115 iPd :52.66 ( 0.22 ) TVA GMG 188.2 214 ePd :52.96 ( 0.06 ) TVA FDKY 211.5 286 eP :57.10 ( 0.70 ) eS :21.95 ( 0.48 ) TVA PKNC 214.1 96 ePd :57.20 ( 0.37 ) TVA PLVA 215.9 78 ePc :56.64 (-0.52 ) TVA RCG 219.6 229 iPd :57.84 ( 0.19 ) TVA ABTN 237.2 260 eP :02:00.75 ( 0.45 ) eS :28.05 (-0.16 ) TVA PDTN 238.1 243 eS :30.50 ( 2.09X) CERI SMTN 32.6 69 iP 02:01:27.92 (-0.10 ) CERI CCVA 38.4 340 iPc :29.10 ( 0.14 ) iS 02:01:33.84 (-0.05 ) CERI TKL 72.3 198 ePd :34.68 ( 0.13 ) CERI ORT 81.5 240 eP :36.15 ( 0.07 ) S :46.00 (-0.20 ) CERI ONTN 85.8 286 eP :36.40 (-0.40 ) eS :48.30 ( 0.84 ) CERI RBNC 113.0 154 iPc :41.24 (-0.06 ) CERI BRBC 126.4 118 iPd :43.24 (-0.13 ) CERI SLTN 127.1 81 eP :43.35 ( 0.04 ) eS :59.10 ( 0.39 ) CERI ETT 135.1 219 ePc :44.38 (-0.21 ) CERI ANTN 154.2 266 P :47.55 ( 0.04 ) S :02:06.05 ( 0.07 ) CERI GFM 155.3 96 ePd :48.20 ( 0.42 ) CERI BBG 157.9 190 eP :48.06 (-0.08 ) eS :07.68 ( 0.62 ) CERI TRYN 160.8 134 iPd :48.84 ( 0.29 ) CERI WMTN 174.0 229 eP :50.75 ( 0.23 ) eS :12.15 ( 0.96X) CERI BENN 185.5 115 iPd :52.66 ( 0.33 ) CERI GMG 188.3 214 ePd :52.96 ( 0.18 ) CERI FDKY 211.4 286 eP :57.10 ( 0.86X) eS :21.95 ( 0.88X) CERI PKNC 214.2 96 ePd :57.20 ( 0.48X) CERI PLVA 215.9 78 ePc :56.64 (-0.39X) CERI RCG 219.7 229 iPd :57.84 ( 0.32X) CERI ABTN 237.1 260 eP :02:00.75 ( 0.57X) eS :28.05 ( 0.15X) CERI PDTN 238.1 243 eS :30.50 ( 2.32X) ***** 1992 JANUARY 7; 11:48 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920107 114829.3 33.412 82.783 2.2F 10 188 290 0.2 D D/D 3.2 5 1.8 5.1 C 2.7 USC 920107 114840.1 33.835 81.945 3.0 4 30 198 2.7 D D/D SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 187.8 330 ePd 11:49:00.04 (-0.12 ) eS 11:49:22.68 ( 0.02 ) CERI TRYN 211.6 13 eP :03.42 (-0.34 ) CERI RBNC 216.6 355 ePc :05.00 ( 0.40 ) CERI WSSR 219.5 341 ePc :05.04 ( 0.03 ) CERI GMG 237.0 313 eP :07.60 (-0.07 ) CERI BENN 260.1 23 eP :11.42 ( 0.36 ) CERI BRBC 262.1 10 eP :11.62 ( 0.17 ) CERI ETT 262.1 325 eP :11.50 ( 0.23 ) CERI TKL 265.3 340 eP :11.98 ( 0.35 ) CERI GFM 312.5 16 ePd :19.54 ( 1.97X) USC MTT 30.1 108 eP+ 11:48:46.88 ( 1.85 ) eS 11:48:59.96 (10.86X) USC PRM 47.4 306 iPd :43.80 (-4.02 ) eS :54.82 ( 0.65X) USC JSC 80.2 52 iPd :55.30 ( 2.17 ) eS- :49:05.30 ( 1.46X) USC LHS 126.9 56 iP+ :49:00.95 ( 0.32 ) eS :24.79 ( 7.30X) USC SMT 153.9 322 eP- :48:57.30 (-7.69X) USC JVW 160.8 323 eP- :58.70 (-7.40X) Additional Data: GIT ATL P 11:48:51.1 S 11:49:10.0 GIT CDG P :49:09.0 S :38.0 ***** 1992 JANUARY 18; 01:01 - WINSTON SALEM, NORTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920118 010154.2 35.937 80.052 23.7 23 145 190 0.8 D D/D 3.0 -20 1.9 4.2 C 2.6 TVA 920118 010155.4 35.951 80.081 4.8 26 143 189 0.7 D D/D 1.2 -33 0.7 1.5 B 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BLA 145.2 347 P? 01:02:17.90 ( 0.27 ) iS 01:02:34.40 (-0.32 ) CERI WMV 153.9 328 eP :20.60 ( 1.60 ) S? :37.20 ( 0.11 ) CERI NAV 166.9 337 eP :21.30 ( 0.36 ) S? :39.95 (-0.49 ) CERI SLTN 194.4 287 eP :24.20 (-0.91 ) eS :46.70 (-0.96 ) CERI HWV 196.6 339 P? :26.45 ( 0.97 ) S? :48.75 ( 0.45 ) CERI FRV 206.6 47 eP :25.70 (-1.28 ) eS :50.80 (-0.10 ) CERI PBV 254.0 62 P? :31.85 (-0.97 ) S? :03:00.20 (-0.80 ) CERI BRTN 257.7 281 eP :32.80 (-0.56 ) eS :03.60 ( 1.67X) CERI CVL 267.5 32 eP :35.90 ( 1.41 ) iS :04.00 ( 0.11 ) CERI TKL 337.9 266 eP :47.00 ( 3.88X) S? :19.80 ( 0.98 ) CERI CRTN 342.6 276 eP- :42.75 (-0.96 ) S? :20.45 ( 0.60 ) CERI BBG 361.3 252 eP :47.00 ( 0.89 ) CERI ONTN 399.5 280 eP :50.10 (-0.59 ) CERI ETT 404.6 262 eP :58.00 ( 6.70X) CERI ANTN 467.4 275 eP :58.40 (-0.59 ) eS :48.85 ( 2.58X) CERI ABTN 546.7 271 eP :03:08.25 (-0.41X) eS :04:04.80 ( 1.81X) TVA PLVA 125.3 310 eP 01:02:10.45 (-5.00X) TVA BLA 143.1 348 P? :17.90 (-0.39 ) iS 01:02:34.40 (-0.16 ) TVA WMV 151.1 328 eP :20.60 ( 1.02 ) S? :37.20 ( 0.43 ) TVA NAV 164.4 337 eP :21.30 (-0.40 ) S? :39.95 (-0.44 ) TVA SLTN 191.4 287 eP :24.20 (-1.15 ) eS :46.70 (-0.76 ) TVA HWV 194.2 340 P? :26.45 ( 0.84 ) S? :48.75 ( 0.81 ) TVA FRV 207.5 47 eP :25.70 (-1.52 ) eS :50.80 ( 0.01 ) TVA BRTN 254.8 281 eP :32.80 (-0.30 ) eS :03:03.60 ( 2.41X) TVA PBV 255.6 63 P? :31.85 (-1.29 ) S? :00.20 (-1.06 ) TVA CVL 267.5 32 eP :35.90 ( 1.28 ) iS :04.00 ( 0.11 ) TVA TKL 335.4 266 eP :47.00 ( 3.99X) S? :19.80 ( 1.08 ) TVA CRTN 339.8 276 eP- :42.75 (-0.81 ) S? :20.45 ( 0.74 ) TVA BBG 359.2 252 eP :47.00 ( 0.95 ) TVA ONTN 396.6 280 eP :50.10 (-0.49 ) TVA ETT 402.2 261 eP :58.00 ( 6.73X) TVA ANTN 464.6 275 eP :58.40 (-0.57 ) eS :48.85 ( 1.87 ) TVA ABTN 544.0 271 eP :03:08.25 (-0.49 ) eS :04:04.80 ( 0.53 ) ***** 1992 JANUARY 30; 03:03 - TIGNALL, GEORGIA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920130 030356.9 33.825 82.669 12.2 12 157 291 0.6 D D/D 11.9 -12 4.1 27.1 D 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 156.8 318 eP 03:04:22.90 ( 0.68 ) eS 03:04:40.18 (-0.56 ) CERI TRYN 164.6 14 iPd :23.40 ( 0.02 ) CERI RBNC 172.4 350 eP :24.20 (-0.46 ) eS :46.32 ( 1.37 ) CERI WSSR 181.5 333 eP :26.50 ( 0.49 ) CERI BENN 214.0 25 eP :29.40 (-1.54 ) CERI BRBC 215.2 9 iPc :30.68 (-0.54 ) eS :54.28 (-2.03X) CERI ETT 233.6 316 eP :35.26 ( 1.34 ) eS :05:02.06 ( 1.08 ) CERI GBTN 248.3 326 iPc :36.82 ( 0.91 ) CERI GFM 265.6 17 iPd :37.16 (-1.04 ) eS :06.66 (-1.72X) Additional Data: GIT ATL P 03:04:47.0 S 03:05:02.0 ***** 1992 JANUARY 30; 03:12 - METASVILLE, GEORGIA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920130 031255.1 33.766 82.593 8.8 6 166 307 0.2 D C/D 13.8 -12 1.4 37.2 D 1.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 166.3 318 eP 03:13:22.34 ( 0.25 ) CERI TRYN 169.5 11 iPd :22.62 ( 0.08 ) CERI RBNC 180.1 349 eP :23.84 (-0.41 ) eS 03:13:45.60 ( 0.05 ) CERI WSSR 190.5 332 iPd :25.68 (-0.12 ) CERI BENN 217.1 23 eP :28.34 (-1.48X) CERI BRBC 220.6 7 eP :29.98 (-0.49 ) CERI GFM 269.9 15 iPd :36.40 (-0.91X) ***** 1992 JANUARY 30; 06:57 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920130 065705.5 33.985 82.434 3.9 5 13 225 0.1 C B/D 1.7 360 1.7 4.1 2.1 CERI 920130 065707.0 34.057 82.557 15.0 11 147 269 0.2 D C/D 2.5 -1 0.9 11.5 D 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC PRM 12.8 31 iPd 06:57:07.69 ( 0.00 ) eS 06:57:10.10 ( 0.58X) USC MTT 78.2 109 iPu :18.19 (-0.01 ) eS :28.35 (-0.28X) USC JSC 113.1 73 eP+ :23.81 (-0.03 ) eS :37.73 (-1.18X) USC JVW 123.2 335 P :25.10 (-0.37X) USC BC 127.1 334 P :26.10 ( 0.00 ) USC LHS 159.5 70 iPu :31.53 ( 0.22 ) eS :51.76 (-0.73X) CERI BBG 146.6 309 eP 06:57:30.38 (-0.25 ) eS 06:57:47.78 (-0.12 ) CERI RBNC 149.5 345 eP :31.12 ( 0.01 ) CERI WSSR 164.6 326 iPc :33.54 ( 0.14 ) CERI BENN 186.3 26 eP :36.56 (-0.10 ) CERI BRBC 188.2 7 eP :38.22 ( 1.16X) eS :58:00.50 ( 1.48X) CERI TKL 209.7 328 eP :40.22 ( 0.02 ) eS :06.84 ( 2.40X) CERI GMG 213.8 295 iPd :41.06 ( 0.16 ) CERI ETT 223.8 310 eP :42.50 ( 0.12 ) eS :09.30 ( 1.08 ) CERI GBTN 234.0 320 eP :43.98 ( 0.06 ) eS :13.78 ( 2.90X) CERI GFM 237.9 16 iPd :44.66 ( 0.02 ) Additional Data: GIT ATL S 06:58:08.5 ***** 1992 JANUARY 30; 19:58 - LINCOLN COUNTY, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920130 195831.2 33.952 82.651 0.7 4 31 318 0.1 C A/D 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC PRM 30.5 61 iPu 19:58:36.19 (-0.06 ) S 19:58:42.05 ( 1.66X) USC MTT 96.5 103 ePd :46.88 (-0.02 ) S :56.30 (-3.48X) USC JVW 119.7 345 P :56.00 ( 5.35X) USC BC 123.3 344 P :54.50 ( 3.28X) USC JSC 133.5 74 ePd :53.04 ( 0.18 ) S :59:08.37 (-2.26X) USC LHS 179.7 71 iPd :59:00.21 ( 0.29 ) S :19.79 (-3.68X) ***** 1992 FEBRUARY 1; 04:04 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CERI For informational purposes only. GIT Probable earthquake, might be reservoir related. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920201 040454.7 33.742 82.365 4.1 8 183 331 0.1 D C/D 3.4 -42 1.5 5.1 C 1.7 USC 920201 040502.4 33.991 82.403 2.0 4 11 270 0.1 C A/D 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 183.0 314 eP 04:05:24.64 ( 0.03 ) eS 04:05:42.14 (-4.31X) CERI RBNC 188.0 343 eP :25.42 ( 0.00 ) eS :47.88 ( 0.02 ) CERI WSSR 203.6 327 iPc :27.70 (-0.06 ) CERI TKL 248.8 329 eP :34.94 ( 0.35 ) eS :06:00.98 (-2.74X) CERI ETT 260.2 313 eP :36.64 ( 0.49 ) eS :03.50 (-2.92X) CERI GBTN 272.3 322 iPd :38.08 ( 0.48 ) eS :07.86 (-1.07 ) USC PRM 10.9 20 iPd 04:05:04.24 (-0.02 ) S 04:05:06.39 ( 0.59X) USC MTT 75.8 111 iPd :14.69 (-0.02 ) S :24.74 (-0.07X) USC JSC 110.3 73 eP+ :20.32 ( 0.05 ) S :37.69 ( 2.75X) USC JVW 123.8 334 P :24.70 ( 2.25X) USC LHS 156.7 70 iPu :28.28 ( 0.52 ) S :49.99 ( 1.43X) Additional Data: GIT ATL P 04:05:29.5 S 04:05:50.0 ***** 1992 FEBRUARY 1; 05:06 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CERI For informational purposes only. GIT Probable earthquake, might be reservoir related. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920201 050604.0 33.788 82.500 0.2F 12 171 296 0.3 D D/D 15.7 -28 2.6 25.7 D 1.9 USC 920201 050630.3 33.991 82.425 4.8 6 12 225 0.2 D C/D 4.0 360 4.0 8.8 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 170.6 315 eP 05:06:32.76 ( 0.37 ) eS 05:06:52.90 (-0.19 ) CERI RBNC 179.7 346 eP :33.42 (-0.41 ) eS :55.98 ( 0.38 ) CERI WSSR 192.7 329 iPd :35.74 (-0.04 ) CERI BRBC 217.4 5 eP :40.26 ( 0.65 ) CERI GMG 232.7 301 eP :43.04 ( 1.17 ) CERI TKL 238.1 331 eP :42.52 (-0.13 ) eS :07:09.00 (-1.84 ) CERI ETT 247.7 314 eP :44.84 ( 0.72 ) eS :11.70 (-1.70 ) CERI GBTN 260.8 324 iPc :46.26 ( 0.24 ) USC PRM 11.8 29 iPd 05:06:32.43 ( 0.01 ) S 05:06:36.51 ( 2.36 ) USC MTT 77.6 110 iPd :42.87 (-0.07 ) S :52.75 (-0.56X) USC JSC 112.2 73 iPd :48.62 ( 0.10 ) S :07:13.05 (-0.40 ) USC JVW 122.9 335 P :50.20 (-0.05 ) Additional Data: GIT ATL P 05:06:57.5 S 05:07:18.0 ***** 1992 FEBRUARY 1; 08:43 - MCCORMICK COUNTY, SOUTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920201 084333.0 33.735 82.447 10.4 26 171 278 0.4 D C/D 2.2 -37 1.6 3.9 C 2.5 USC 920201 084337.4 34.012 82.442 4.8 7 11 259 0.2 D D/D 6.5 360 6.5 2.7 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TRYN 170.9 6 eP 08:44:00.68 ( 0.06 ) CERI BBG 178.1 316 eP :01.90 ( 0.14 ) CERI RBNC 186.6 345 eP :02.58 (-0.52 ) eS 08:44:25.28 ( 0.23 ) CERI WSSR 200.2 329 iPd :05.00 (-0.14 ) CERI BRBC 222.8 4 eP :08.64 (-0.01 ) CERI GMG 239.9 302 iPd :11.98 ( 0.79 ) eS :39.28 ( 0.22 ) CERI TKL 245.6 331 eP :11.66 (-0.28 ) eS :37.80 (-2.55 ) CERI ETT 255.2 314 eP :13.42 ( 0.27 ) eS :40.96 (-1.48 ) CERI GBTN 268.3 323 eP :14.38 (-0.34 ) CERI GFM 270.0 12 iPc :16.04 ( 0.94 ) CERI WMTN 286.4 307 eP :18.50 ( 1.57 ) iS :51.40 ( 2.42 ) CERI TQTN 287.6 314 eP :19.20 ( 2.14 ) eS :51.40 ( 2.19 ) CERI BRTN 293.3 353 eP :19.30 ( 1.48 ) eS :51.10 ( 0.58X) CERI ORT 295.1 325 eP- :19.60 ( 1.60 ) eS :51.00 ( 0.18 ) CERI LKGA 295.8 290 eP :19.45 ( 1.33 ) eS :55.10 ( 4.06X) CERI RCG 300.2 298 iPc :19.50 ( 0.86 ) CERI CRTN 301.6 335 eP :20.50 ( 1.69X) eS :52.00 (-0.23 ) CERI SLTN 301.9 6 eP :18.65 (-0.15 ) eS :51.05 (-1.16 ) CERI FGTN 307.1 347 eP :20.62 ( 1.14X) CERI BHT 327.3 316 eP :24.48 ( 2.48X) CERI PLVA 345.6 19 eP :26.88 ( 2.58X) CERI ONTN 354.9 330 P :35.10 ( 9.76X) eS :45:08.20 ( 4.66X) CERI PDTN 356.0 300 ePc :29.80 ( 4.36X) eS :09.20 ( 5.49X) CERI ANTN 371.1 318 eP :32.50 ( 5.18X) eS :16.00 ( 9.04X) CERI ABTN 411.3 306 eP :33.35 ( 1.15X) eS :07.10 (-8.30X) CERI FDKY 455.6 319 eP :37.80 ( 0.18X) CERI LAL 458.0 281 eP :47.85 ( 9.95X) USC PRM 10.9 43 iPd 08:43:39.52 ( 0.11 ) S 08:43:41.15 ( 0.12X) USC JSC 113.1 75 iPu :55.53 (-0.27 ) S :44:11.09 ( 0.24 ) USC JVW 120.2 335 P :56.70 (-0.25 ) USC BC 124.1 334 ePu :57.70 ( 0.12 ) USC LHS 159.2 71 iPu :44:03.55 ( 0.33 ) S :24.05 (-0.31 ) Additional Data: GIT ATL P 08:44:05.5 S 08:44:26.5 GIT CDG P :11.0 S :36.5 ***** 1992 FEBRUARY 1; 14:17 - CALHOUN FALLS, SOUTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920201 141730.9 34.006 82.544 0.6F 20 143 272 0.4 D C/D 4.0 -12 1.3 4.9 C 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TRYN 142.6 11 eP 14:17:54.82 (-0.05 ) CERI BBG 151.1 310 eP :56.06 (-0.16 ) eS 14:18:14.32 (-0.40 ) CERI WSSR 170.0 326 iPd :59.14 ( 0.03 ) CERI BENN 190.9 25 eP :18:01.96 (-0.31 ) CERI BRBC 193.7 7 eP :03.28 ( 0.48 ) CERI TKL 215.1 329 eP :05.66 (-0.27 ) eS :32.50 ( 0.97 ) CERI GMG 217.3 297 iPd :06.74 ( 0.41 ) CERI ETT 228.3 310 eP :07.10 (-0.87 ) eS :35.14 ( 0.08 ) CERI GBTN 239.1 321 iPd :09.60 ( 0.00 ) CERI TQTN 260.7 311 eP :13.75 ( 0.95X) eS :46.95 ( 3.54X) CERI WMTN 261.9 302 eP :12.00 (-0.96X) eS :45.00 ( 1.30 ) CERI BRTN 262.5 354 eP :13.65 ( 0.58X) eS :45.10 ( 1.22 ) CERI ORT 265.5 323 eP :13.75 ( 0.35 ) eS :46.15 ( 1.70 ) CERI CRTN 270.6 334 eP :14.35 ( 0.31 ) eS :45.10 (-0.46 ) CERI SLTN 273.2 8 eP :15.40 ( 1.09 ) eS :44.40 (-1.62 ) CERI ONTN 324.5 328 eP :28.50 ( 7.85X) eS :19:02.20 ( 5.20X) CERI PDTN 334.1 296 P :20.15 (-1.63X) eS :03.35 ( 4.40X) CERI ANTN 343.2 315 eS :07.65 ( 6.71X) CERI ABTN 386.7 304 eP :36.60 ( 8.39X) eS :01.70 (-8.38X) CERI FDKY 427.3 317 eP :41.85 ( 8.68X) CERI LAL 444.2 278 P :41.50 ( 6.26X) Additional Data: GIT ATL P 14:17:59.5 S 14:18:19.5 GIT CDG P :18:05.0 S :29.5 ***** 1992 FEBRUARY 9; 01:36 - LEAH, GEORGIA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920209 013622.7 33.725 82.322 5.6 5 187 332 0.0 D D/D 99.0 -33 27.5 99.0 D 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TRYN 171.2 2 eS 01:37:12.28 ( 1.23X) CERI BBG 187.2 313 eP 01:36:53.10 (-0.03 ) eS :13.28 (-2.07X) CERI RBNC 191.1 342 eP :53.74 (-0.03 ) eS :16.44 ( 0.00 ) CERI WSSR 207.3 327 eP :56.26 ( 0.04 ) CERI BRBC 223.5 1 eS :25.22 ( 0.16X) CERI TKL 252.4 329 eS :30.14 (-2.28X) CERI GBTN 276.3 322 eP :37:06.54 ( 0.63 ) Additional Data: GIT ATL P 01:37:18.5 S 01:37:32.5 ***** 1992 FEBRUARY 10; 18:30 - NARROWS, VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920210 183015.2 37.281 80.821 9.1 5 5 182 0.1 D C/D 2.9 -24 1.0 3.7 C 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO NAV 4.5 33 iP 18:30:17.13 ( 0.08 ) iS 18:30:18.23 (-0.06 ) VTSO WMV 23.3 215 iPd :19.52 (-0.07 ) iS :22.59 ( 0.06 ) VTSO BLA 36.4 102 P :20.00 (-1.67X) iS :26.06 ( 0.00 ) ***** 1992 FEBRUARY 14; 10:36 - ETOWAH, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920214 103603.6 35.272 84.616 13.4 12 16 145 0.2 C B/C 0.6 -20 0.4 0.7 A 1.3 CERI 920214 103603.5 35.279 84.621 16.6 11 16 143 0.1 C B/C 0.4 -19 0.3 1.4 B 1.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ETT 15.8 68 eP 10:36:07.50 ( 0.27 ) TVA TQTN 28.9 340 iP+ :09.00 (-0.06 ) iS 10:36:13.00 (-0.03 ) TVA WMTN 32.6 266 eP :09.65 ( 0.01 ) iS :14.00 (-0.03 ) TVA BBG 85.6 121 eP :18.00 (-0.01 ) TVA TKL 87.6 60 eP :17.70 (-0.53 ) eS :28.40 (-0.49 ) TVA PDTN 112.2 270 eS :35.20 (-0.21 ) TVA CRTN 124.6 34 P? :24.05 ( 0.15 ) S? :45.35 ( 6.64X) TVA ABTN 151.5 297 eP :28.30 ( 0.29 ) iS :46.10 ( 0.28 ) CERI ETT 16.0 71 eP 10:36:07.50 ( 0.05 ) CERI TQTN 28.0 340 iP+ :09.00 ( 0.01 ) iS 10:36:13.00 ( 0.01 ) CERI WMTN 32.2 264 eP :09.65 ( 0.04 ) iS :14.00 (-0.07 ) CERI BBG 86.4 121 eP :18.00 ( 0.07 ) CERI TKL 87.7 61 eP :17.70 (-0.33 ) eS :28.40 (-0.23 ) CERI PDTN 111.8 270 eS :35.20 ( 0.17 ) CERI CRTN 124.2 34 P? :24.05 ( 0.40 ) S? :45.35 ( 7.00X) CERI ABTN 150.8 297 eP :28.30 ( 0.60 ) iS :46.10 ( 0.74X) ***** 1992 FEBRUARY 19; 06:38 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (II) between Middleton Place and Summerville. Magnitude 2.0?. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920219 063816.7 32.916 80.089 10.3 6 5 229 0.0 C A/D 0.9 360 0.9 0.9 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC MGS 5.3 247 iPd 06:38:19.05 ( 0.03 ) S 06:38:21.35 ( 0.56X) USC BCS 7.4 17 iPu :19.34 (-0.01 ) S :21.37 (-0.01X) USC RGR 9.9 264 iPd :19.47 ( 0.02 ) S :20.34 (-1.23X) USC SVS 16.0 291 iPd :20.32 (-0.04 ) S :22.29 (-0.89X) USC WAS 18.8 246 iPd :20.69 (-0.02 ) S :22.87 (-0.93X) USC HBF 23.1 279 iPd :21.41 ( 0.07 ) S :24.07 (-0.86X) USC CFS 40.8 349 eP :24.89 ( 0.77X) S :27.39 (-2.48X) USC COW 76.9 312 eP :30.21 ( 0.52X) S :32.23 (-7.56X) USC VRN 80.7 280 eP+ :30.68 ( 0.39X) S :39.73 (-1.13X) ***** 1992 FEBRUARY 19; 14:10 - FERNCLIFF, VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920219 141032.3 37.905 78.053 4.8 8 13 137 0.2 C C/C 1.7 -23 0.6 7.3 D 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO GHV 13.2 201 iPc 14:10:34.64 ( 0.06 ) 14:10:36.18 (-0.08 ) VTSO NA12 17.5 60 iPd :35.53 ( 0.27 ) :37.61 ( 0.17 ) VTSO NA5 30.2 67 iPd :37.21 (-0.08 ) :40.55 (-0.41 ) VTSO CVL 36.9 283 iPc :38.55 ( 0.17 ) :42.60 (-0.24 ) ***** 1992 FEBRUARY 29; 21:53 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude <2.0. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920229 215351.0 33.016 80.165 8.9 5 9 92 0.0 C A/D 0.3 360 0.3 1.4 1.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 9.4 236 iPd 21:53:59.82 ( 6.25X) S 21:54:00.97 ( 5.39X) USC BCS 10.1 113 iPd :53.77 (-0.01 ) S :53:55.11 (-0.85X) USC RGR 12.3 193 iPd :53.91 ( 0.01 ) S :55.31 (-0.85X) USC TWB 12.4 28 iPd :54.01 ( 0.01 ) S :55.22 (-1.12X) USC MGS 13.3 170 iPd :56.01 ( 1.92X) S :55.58 (-0.92X) USC HBF 17.4 244 iPd :54:00.97 ( 6.33X) S :54:02.55 ( 5.06X) USC WAS 21.2 208 iPd :53:55.29 ( 0.01 ) S :53:56.96 (-1.67X) USC DRC 23.2 296 iPd :55.66 (-0.01 ) S :57.05 (-2.27X) USC CFS 29.1 359 iPd :54:03.36 ( 6.79X) S :54:07.93 ( 7.01X) USC COW 64.3 309 ePd :12.71 (10.65X) S :21.08 (10.39X) USC VRN 72.5 272 eP :09.52 ( 6.17X) S :18.29 ( 5.30X) USC LHS 172.6 340 ePu :26.04 ( 8.34X) USC JSC 173.4 324 ePd :25.78 ( 7.98X) S :46.60 ( 7.90X) USC PRM 236.1 300 eP :39.23 (13.74X) S :55:02.75 (10.35X) ***** 1992 MARCH 7; 10:30 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920307 103043.7 35.982 83.944 10.1 25 26 81 0.2 C B/C 0.6 -42 0.3 1.1 A 1.8 CERI 920307 103043.7 35.984 83.943 10.8 20 26 100 0.2 C B/C 0.6 -42 0.3 1.0 A 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 25.9 21 ePd 10:30:48.64 ( 0.14 ) iS 10:30:51.89 (-0.11 ) TVA ORT 33.5 256 eP :49.79 ( 0.09 ) iS :54.19 ( 0.11 ) TVA TKL 39.1 157 eP :50.80 ( 0.19 ) S? :55.50 (-0.16 ) TVA GBTN 42.5 215 eP :51.12 (-0.05 ) eS :56.38 (-0.25 ) TVA CCVA 73.3 20 eS :31:05.04 (-0.35 ) TVA SMTN 81.7 57 eP :57.74 ( 0.11 ) TVA WSSR 84.9 157 eP :58.20 ( 0.03 ) TVA ETT 86.2 213 eP :57.62 (-0.69X) eS :08.48 (-0.50 ) TVA TQTN 87.6 234 eP :54.19 (-4.30X) eS :09.94 ( 0.65 ) TVA BHT 91.6 261 eS :10.30 (-0.13 ) TVA BRTN 105.4 66 eS :14.29 ( 0.23 ) TVA ANTN 117.8 281 P? :31:03.04 (-0.11 ) eS :17.39 ( 0.03 ) TVA BBG 123.5 174 eP :04.26 ( 0.17 ) eS :18.88 (-0.10 ) TVA GMG 140.6 208 eP :07.80 ( 1.12X) eS :23.56 ( 0.10 ) TVA BRBC 152.2 100 eS :27.24 ( 0.57 ) TVA SLTN 171.8 72 eP :12.19 ( 0.72 ) eS :29.54 (-2.22X) TVA TRYN 173.1 117 eS :35.94 ( 3.89X) TVA FDKY 188.7 299 eP :12.44 (-1.53X) eS :35.94 (-0.13 ) TVA GFM 193.1 85 eS :38.70 ( 1.22 ) TVA ABTN 195.6 267 eP :15.74 ( 0.70 ) eS :39.89 ( 1.96X) CERI CRTN 25.7 21 ePd 10:30:48.64 ( 0.17 ) iS 10:30:51.89 (-0.09 ) CERI ORT 33.7 256 eP :49.79 ( 0.08 ) iS :54.19 ( 0.05 ) CERI TKL 39.2 157 eP :50.62 ( 0.02 ) CERI GBTN 42.7 215 eP :51.12 (-0.05 ) eS :56.38 (-0.28X) CERI CCVA 73.1 20 eS :31:05.04 (-0.26 ) CERI FGTN 83.8 53 eP :57.74 (-0.11X) CERI WSSR 85.0 157 eP :58.20 ( 0.09 ) CERI ETT 86.4 213 eP :57.62 (-0.64 ) eS :08.48 (-0.44 ) CERI TQTN 87.8 234 eP :54.19 (-4.24X) eS :09.94 ( 0.72 ) CERI BHT 91.7 261 eS :10.30 (-0.05 ) CERI BRTN 105.2 67 eS :14.29 ( 0.38 ) CERI ANTN 117.9 281 P :31:03.04 (-0.04 ) eS :17.39 ( 0.13 ) CERI BBG 123.7 174 eP :04.26 ( 0.23 ) eS :18.88 (-0.02X) CERI GMG 140.8 208 eP :07.80 ( 1.17 ) eS :23.56 ( 0.16X) CERI BRBC 152.1 100 eS :27.24 ( 0.70X) CERI SLTN 171.6 72 eP :12.19 ( 0.92 ) eS :29.54 (-1.88X) CERI TRYN 173.1 117 eS :35.94 ( 4.01X) CERI FDKY 188.7 299 eP :12.44 (-1.45X) eS :35.94 (-0.02 ) CERI GFM 193.0 85 eS :38.70 ( 1.37X) CERI ABTN 195.7 267 eP :15.74 ( 0.76 ) eS :39.89 ( 2.05X) ***** 1992 MARCH 8; 12:44 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude <1.5. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920308 124400.6 32.958 80.180 5.9 5 6 156 0.0 C A/D 0.2 360 0.2 0.5 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC RGR 5.7 194 iPu 12:44:02.22 (-0.02 ) S 12:44:03.00 (-0.55X) USC SVS 6.5 281 iPd :02.42 ( 0.00 ) S :03.40 (-0.47X) USC MGS 7.5 151 iPu :02.55 ( 0.01 ) S :03.18 (-0.90X) USC BCS 10.9 77 iPu :03.19 (-0.01 ) S :04.40 (-0.86X) USC HBF 14.4 266 iPd :03.53 ( 0.00 ) S :05.26 (-0.59X) USC SGS 40.4 310 eP+ :08.11 ( 0.10X) S :11.93 (-1.90X) ***** 1992 MARCH 12; 18:41 - HEWITT, NORTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920312 184158.1 35.313 83.638 4.9 11 7 79 0.2 B B/B 1.0 85 0.7 1.6 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI WSSR 6.7 125 iPc 18:41:59.72 ( 0.00 ) CERI TKL 40.3 342 iPd :42:05.14 (-0.06 ) eS 18:42:10.06 (-0.33 ) CERI BBG 51.2 198 iPd :06.84 (-0.22 ) eS :13.66 ( 0.06 ) CERI RBNC 59.5 85 iPc :08.42 (-0.05 ) CERI GBTN 65.1 307 eP :09.54 ( 0.24 ) eS :18.62 ( 1.14X) CERI ETT 74.3 271 eP :11.44 ( 0.61 ) CERI RICH 100.2 48 eP :15.90 ( 0.76X) CERI GMG 106.6 242 eP :16.24 ( 0.03X) CERI SMTN 125.6 19 eP :22.78 ( 3.68X) CERI TRYN 126.7 92 eP :20.18 ( 0.89 ) CERI BRBC 131.4 69 eP :20.60 ( 0.50 ) CERI BENN 181.7 81 iPc :30.20 ( 2.50X) eS :52.50 ( 3.19X) CERI GFM 187.9 61 eP :30.34 ( 1.62 ) ***** 1992 MARCH 13; 22:49 - SWEETWATER, TENNESSEE ***** GIT Probably a blast. TVA Definite earthquake. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920313 224941.1 35.528 84.397 14.7 36 23 50 0.3 C C/B 0.4 -20 0.4 1.9 B 2.2 TVA 920313 224941.2 35.521 84.407 14.5 17 22 71 0.2 B B/B 0.3 61 0.3 0.5 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI GBTN 22.8 48 iPd 22:49:45.70 (-0.03 ) eS 22:49:48.96 (-0.15 ) CERI ETT 23.0 193 iPc :45.94 ( 0.16 ) eS :49.22 ( 0.01 ) CERI TQTN 29.9 268 eP- :46.70 (-0.07 ) iS :50.75 (-0.16 ) CERI ORT 43.2 11 iPc :49.40 ( 0.59 ) iS :55.00 ( 0.55 ) CERI TKL 58.3 75 iPd :50.92 (-0.20 ) eS :58.18 (-0.27 ) CERI BHT 61.0 306 iPc :51.48 (-0.10 ) eS :58.90 (-0.34 ) CERI GMG 77.9 199 eP :54.08 (-0.11 ) eS :50:03.38 (-0.37X) CERI WSSR 79.4 110 iPd :54.66 ( 0.21 ) eS :03.80 (-0.39 ) CERI CRTN 89.9 34 iPd :55.60 (-0.38 ) iS :06.40 (-0.45 ) CERI BBG 90.0 143 iPc :56.20 ( 0.13 ) eS :07.14 ( 0.13 ) CERI ANTN 103.9 314 iPd :57.80 (-0.33 ) S :09.80 (-0.77X) CERI ONTN 105.9 358 eP :57.90 (-0.54 ) eS :10.65 (-0.46 ) CERI RCG 106.1 235 eP :58.70 ( 0.24 ) eS :11.20 ( 0.07X) CERI RBNC 129.5 98 eP :50:04.12 ( 1.96X) eS :17.64 ( 0.10 ) CERI PDTN 135.0 258 ePd :03.20 ( 0.33 ) iS :19.10 ( 0.34 ) CERI LKGA 140.3 225 eP :04.00 ( 0.29 ) eS :20.65 ( 0.43 ) CERI SMTN 144.9 49 eP :06.32 ( 1.90X) CERI RICH 149.2 73 eP :06.12 ( 1.01 ) CERI ABTN 160.0 285 eP :06.85 ( 0.15 ) iS :25.55 ( 0.16 ) CERI BRTN 165.8 56 eP :08.50 ( 0.89 ) iS :28.40 ( 1.43X) CERI FDKY 188.2 318 eP :11.30 ( 0.28 ) S :32.75 (-0.12 ) CERI BRBC 192.6 82 eP :12.10 ( 0.26 ) eS :34.88 ( 0.59 ) CERI TRYN 197.5 98 eP :13.76 ( 1.26X) eS :36.24 ( 0.82X) CERI MSAL 220.7 251 P :16.25 ( 0.26X) eS :42.35 ( 0.89X) CERI GFM 242.8 74 eP :19.82 ( 0.45X) eS :48.64 ( 1.32X) CERI BENN 248.1 88 eS :49.54 ( 1.29X) CERI TCT 290.3 281 eP :25.85 ( 0.86X) eS :57.25 ( 0.22X) CERI LAL 294.5 247 ePc :26.25 ( 0.74X) eS :56.60 (-1.34X) TVA ETT 22.1 191 iPc 22:49:45.94 ( 0.17 ) eS 22:49:49.22 ( 0.12 ) TVA GBTN 24.0 48 iPd :45.70 (-0.32 ) eS :48.96 (-0.57 ) TVA TQTN 28.9 269 eP- :46.70 (-0.04 ) iS :50.75 (-0.01 ) TVA ORT 44.1 12 iPc :49.40 ( 0.31 ) iS :55.00 ( 0.16 ) TVA TKL 59.4 75 eP :51.10 (-0.33 ) eS :58.20 (-0.68 ) TVA BHT 60.7 307 iPc :51.48 (-0.19 ) eS :58.90 (-0.40 ) TVA GMG 76.9 198 eP :54.08 (-0.10 ) eS :50:03.38 (-0.25 ) TVA WSSR 80.0 109 iPd :54.66 (-0.02 ) eS :03.80 (-0.70X) TVA BBG 90.0 143 iPc :56.20 (-0.01 ) eS :07.14 (-0.01 ) TVA CRTN 91.1 34 iPd :55.60 (-0.70X) iS :06.40 (-0.90X) TVA ANTN 103.7 314 iPd :57.80 (-0.45X) S? :09.80 (-0.87X) TVA RCG 104.9 235 eP :58.70 ( 0.29X) eS :11.20 ( 0.24X) TVA ONTN 106.6 358 eP :57.90 (-0.79X) eS :10.65 (-0.80X) TVA RBNC 130.3 98 eP :50:04.12 ( 1.69X) eS :17.64 (-0.27X) TVA PDTN 133.9 259 ePd :03.20 ( 0.36X) iS :19.10 ( 0.48X) TVA LKGA 139.1 225 eP :04.00 ( 0.33X) eS :20.65 ( 0.60X) TVA SMTN 146.1 49 eP :06.32 ( 1.57X) TVA RICH 150.4 72 eP :06.12 ( 0.70X) TVA ABTN 159.2 285 eP :06.85 ( 0.12X) iS :25.55 ( 0.21X) TVA BRTN 167.0 56 eP :08.50 ( 0.56X) iS :28.40 ( 0.96X) TVA FDKY 188.2 319 eP :11.30 ( 0.15X) S? :32.75 (-0.25X) TVA BRBC 193.7 82 eP :12.10 (-0.04X) eS :34.88 ( 0.17X) TVA TRYN 198.4 98 eP :13.76 ( 0.99X) eS :36.24 ( 0.45X) TVA MSAL 219.6 251 P? :16.25 ( 0.35X) eS :42.35 ( 1.13X) TVA GFM 243.9 74 eP :19.82 ( 0.75X) eS :48.64 ( 1.94X) TVA BENN 249.1 88 eS :49.54 ( 1.94X) TVA TCT 289.5 282 eP :25.85 ( 1.40X) eS :57.25 ( 1.24X) TVA LAL 293.3 247 ePc :26.25 ( 1.32X) eS :56.60 (-0.23X) Additional Data: GIT DALG P 22:49:58.0 S 22:50:10.0 ***** 1992 MARCH 17; 08:47 - CLEVELAND, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920317 084722.8 35.227 84.863 14.6 9 34 233 0.1 D C/D 1.9 -45 1.4 2.5 B 1.1 CERI 920317 084725.6 35.387 84.992 3.1 13 28 201 2.0 D D/D 9.0 -5 5.4 15.1 D -.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 34.4 21 iPd 08:47:29.15 ( 0.03 ) iS 08:47:33.75 (-0.01 ) TVA PDTN 89.9 274 P? :41.20 ( 3.55X) eS :48.40 (-0.12 ) TVA ANTN 110.0 342 eP :40.85 ( 0.10 ) eS :53.65 (-0.23 ) TVA ABTN 134.6 303 eP- :44.50 ( 0.01 ) eS :48:00.65 ( 0.30 ) TVA CRTN 142.2 40 eP :46.00 ( 0.33 ) S? :02.10 (-0.28 ) CERI TQTN 28.1 59 iPd 08:47:29.15 (-1.50 ) iS 08:47:33.75 (-0.57 ) CERI ETT 49.2 98 eP :35.00 ( 0.65 ) CERI GBTN 77.3 66 eP :45.30 ( 6.33 ) CERI PDTN 79.0 261 P? :41.20 ( 1.94X) eS :48.40 (-0.80 ) CERI ANTN 89.7 346 eP :40.85 (-0.20 ) eS :53.65 ( 1.35 ) CERI TKL 114.5 74 eP :54.50 ( 9.43 ) eS :58.30 (-0.96 ) CERI ABTN 115.3 299 eP- :44.50 (-0.70 ) eS :48:00.65 ( 1.17 ) CERI CRTN 137.7 49 eP :46.00 (-2.63 ) S? :02.10 (-3.32 ) ***** 1992 MARCH 17; 17:31 - DECATUR, ALABAMA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920317 173135.2 34.421 87.202 7.5 11 13 197 0.3 D C/D 0.8 -10 0.4 0.9 A 2.0 CERI 920317 173135.2 34.432 87.214 9.0 12 11 191 0.3 D D/D 2.1 -13 0.8 2.0 B 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 12.5 278 iP 17:31:37.80 ( 0.08 ) TVA MSAL 67.7 46 iP :47.15 ( 0.42 ) iS 17:31:55.00 (-0.19 ) TVA PDTN 155.7 52 eP :32:00.00 (-0.55 ) eS :32:19.35 ( 0.25 ) TVA LKGA 160.4 81 eP :01.00 (-0.30 ) eS :20.65 ( 0.26 ) TVA TCT 178.7 350 iPd :03.35 (-0.71 ) iS :25.45 ( 0.29 ) TVA ABTN 190.6 31 eP :07.80 ( 1.91X) iS :28.65 ( 0.31 ) TVA TQTN 256.7 61 P? :14.20 (-0.96 ) S? :47.20 ( 2.83X) CERI LAL 11.3 272 iP 17:31:37.80 ( 0.04 ) CERI MSAL 67.6 47 iP :47.15 ( 0.36 ) iS 17:31:55.00 (-0.24 ) CERI PWLA 98.8 308 eP :51.00 (-0.80 ) eS :32:03.80 (-0.10 ) CERI PDTN 155.8 53 eP :32:00.00 (-0.54 ) eS :19.35 ( 0.33 ) CERI LKGA 161.3 82 eP :01.00 (-0.41 ) eS :20.65 ( 0.12 ) CERI TCT 177.2 350 iPd :03.35 (-0.47 ) iS :25.45 ( 0.76 ) CERI ABTN 190.1 32 eP :07.80 ( 2.01X) iS :28.65 ( 0.54 ) CERI TQTN 257.0 61 P? :14.20 (-1.49X) S? :47.20 ( 1.96X) ***** 1992 MARCH 18; 01:45 - SEVIERVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920318 014540.5 35.871 83.663 18.5 13 26 197 0.1 C B/D 0.5 88 0.3 1.4 B 0.8 TVA 920318 014540.6 35.871 83.664 16.8 15 26 88 0.2 B B/B 0.5 -86 0.4 1.7 B 1.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TKL 25.6 203 iPd 01:45:45.74 (-0.07 ) eS 01:45:49.70 ( 0.04 ) CERI CRTN 39.8 336 iP+ :47.65 (-0.20 ) eS :53.35 ( 0.16 ) CERI GBTN 54.5 246 iPc :50.08 ( 0.07 ) iS :56.94 ( 0.01 ) CERI ORT 58.1 274 eS :58.50 ( 0.62X) CERI WSSR 66.2 173 iPd :51.92 ( 0.02 ) eS :59.96 (-0.25 ) CERI ETT 93.8 230 eP :56.00 (-0.04 ) eS :46:07.44 ( 0.08 ) CERI BBG 111.4 187 eS :12.44 ( 0.31 ) CERI BHT 115.8 269 eS :14.58 ( 1.37X) CERI BRBC 125.3 96 eS :16.30 ( 0.39 ) CERI ANTN 145.2 284 eS :21.90 ( 0.93X) CERI SLTN 152.7 65 S :23.75 ( 0.89 ) CERI GFM 169.5 80 eS :27.54 (-0.02X) CERI ABTN 220.9 271 eS :41.90 ( 0.95X) TVA TKL 25.7 203 iPd 01:45:45.74 (-0.04 ) eS 01:45:49.70 ( 0.15 ) TVA CRTN 39.8 336 iP+ :47.65 (-0.18 ) eS :53.35 ( 0.24 ) TVA GBTN 54.4 245 iPc :50.08 ( 0.03 ) iS :56.94 ( 0.00 ) TVA ORT 58.0 274 eS :58.50 ( 0.61X) TVA WSSR 66.3 173 iPd :51.92 (-0.03 ) eS :59.96 (-0.27 ) TVA ETT 93.8 230 eP :56.00 (-0.08 ) eS :46:07.44 ( 0.06 ) TVA BBG 111.4 187 eS :12.44 ( 0.24 ) TVA BHT 115.7 269 eS :14.58 ( 1.33X) TVA BRBC 125.4 96 eS :16.30 ( 0.29 ) TVA ANTN 145.1 284 eS :21.90 ( 0.89X) TVA SLTN 152.7 65 S? :23.75 ( 0.62 ) TVA GFM 169.6 80 eS :27.54 (-0.12 ) TVA ABTN 220.8 271 eS :41.90 ( 1.39 ) ***** 1992 MARCH 21; 07:23 - LENOIR CITY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920321 072331.4 35.817 84.258 10.4 18 11 70 0.1 B B/B 0.6 65 0.3 0.6 A 1.3 CERI 920321 072331.4 35.815 84.264 11.1 18 11 97 0.2 B B/B 0.5 68 0.3 0.5 A 1.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ORT 11.2 338 iP 07:23:34.25 ( 0.14 ) iS 07:23:36.00 (-0.06 ) TVA GBTN 17.2 166 iPc :34.94 ( 0.02 ) iS :37.40 (-0.07 ) TVA TKL 47.2 112 eP :39.72 ( 0.04 ) eS :45.54 (-0.16 ) TVA CRTN 56.8 41 eP :41.40 ( 0.13 ) eS :48.60 ( 0.15 ) TVA ETT 57.3 198 eP :41.50 ( 0.14 ) eS :47.94 (-0.66X) TVA ONTN 75.7 347 eP :43.90 (-0.49 ) eS :53.35 (-0.49 ) TVA WSSR 85.8 134 eP :45.96 (-0.08 ) TVA ANTN 96.2 294 eP :47.35 (-0.22 ) eS :58.85 (-0.50 ) TVA BBG 112.2 159 iPc :50.18 ( 0.10 ) TVA PDTN 156.4 248 P? :58.45 ( 1.69X) S? :24:15.50 ( 0.25 ) TVA ABTN 167.4 273 eP :59.40 ( 0.95X) eS :18.30 ( 0.13 ) TVA LKGA 172.5 220 P? :24:01.05 ( 1.80X) eS :20.55 ( 1.00X) TVA FDKY 175.3 309 eP :00.55 ( 0.90 ) eS :21.50 ( 1.26X) CERI ORT 11.1 340 iP 07:23:34.25 ( 0.16 ) iS 07:23:36.00 (-0.10 ) CERI GBTN 17.2 164 iPc :34.94 ( 0.05 ) iS :37.40 (-0.08 ) CERI TKL 47.6 111 eP :39.72 ( 0.06 ) eS :45.54 (-0.20 ) CERI ETT 57.0 198 eP :41.50 ( 0.27 ) eS :47.94 (-0.50 ) CERI CRTN 57.2 42 eP :41.40 ( 0.13 ) eS :48.60 ( 0.09 ) CERI ONTN 75.7 348 eP :43.90 (-0.39 ) eS :53.35 (-0.39 ) CERI WSSR 86.1 134 eP :45.96 ( 0.00 ) CERI ANTN 95.8 295 eP :47.35 (-0.02 ) eS :58.85 (-0.21 ) CERI BBG 112.2 158 iPc :50.18 ( 0.23 ) CERI PDTN 155.9 248 P :58.45 ( 1.91X) S :24:15.50 ( 0.57 ) CERI ABTN 166.9 273 eP :59.40 ( 1.17X) eS :18.30 ( 0.44 ) CERI LKGA 172.0 220 P :24:01.05 ( 2.01X) eS :20.55 ( 1.29X) CERI FDKY 174.9 309 eP :00.55 ( 1.09X) eS :21.50 ( 1.52X) ***** 1992 MARCH 22; 04:28 - GLENMORE, VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920322 042848.7 37.634 78.527 9.0 11 39 206 0.6 D D/D 3.3 -80 1.7 7.8 D 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO CVL 39.0 9 eP 04:28:55.52 ( 0.26 ) eS 04:28:59.41 (-0.66 ) VTSO GHV 41.1 64 ePd :55.35 (-0.25 ) eS :29:00.03 (-0.61 ) VTSO FRV 50.1 163 eP :57.99 ( 0.94 ) eS :02.49 (-0.66 ) VTSO NA12 69.0 56 eP :29:00.08 (-0.03 ) eS :09.18 ( 0.73 ) VTSO NA5 81.2 59 eP :01.72 (-0.39 ) eS :12.87 ( 0.97 ) VTSO PBV 114.1 129 eS :20.56 (-0.50 ) ***** 1992 MARCH 23; 08:47 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920323 084736.3 35.932 84.021 13.9 17 26 115 0.2 B B/B 0.4 27 0.3 0.7 A 1.1 TVA 920323 084736.4 35.933 84.017 13.4 18 26 73 0.2 B B/B 0.3 8 0.3 0.6 A 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI ORT 25.8 264 iP 08:47:41.49 ( 0.13 ) iS 08:47:45.04 ( 0.03 ) CERI CRTN 33.8 29 iP :42.44 (-0.14 ) CERI GBTN 34.2 210 iPd :42.62 ( 0.00 ) eS :46.98 (-0.22 ) CERI TKL 37.7 144 iPc :43.26 ( 0.07 ) iS :48.20 ( 0.02 ) CERI ONTN 71.8 328 eP :48.29 (-0.24 ) eS :57.29 (-0.13 ) CERI ETT 77.9 210 iPd :49.66 ( 0.20 ) eS :58.70 (-0.33 ) CERI BHT 84.0 264 eS :48:00.84 ( 0.17X) CERI ANTN 112.3 284 eP :54.79 ( 0.07 ) eS :08.49 ( 0.36 ) CERI BRTN 113.9 65 S :09.14 ( 0.56 ) CERI BBG 118.9 171 eP :48:05.54 ( 9.73X) eS :14.94 ( 4.93X) CERI SLTN 180.1 71 eS :26.59 ( 0.57 ) CERI FDKY 185.5 301 eS :30.49 ( 3.02X) CERI ABTN 188.6 269 P :06.74 ( 0.36 ) iS :29.54 ( 1.23 ) TVA ORT 26.1 264 iP 08:47:41.49 ( 0.11 ) iS 08:47:45.04 ( 0.00 ) TVA CRTN 33.6 28 iP :42.44 (-0.11 ) TVA GBTN 34.4 211 iPd :42.62 (-0.04 ) eS :46.98 (-0.27 ) TVA TKL 37.6 144 iPc :43.26 ( 0.09 ) iS :48.20 ( 0.06 ) TVA ONTN 71.9 328 eP :48.29 (-0.30 ) eS :57.29 (-0.22 ) TVA ETT 78.1 211 iPd :49.66 ( 0.12 ) eS :58.70 (-0.45 ) TVA BHT 84.3 264 eS :48:00.84 ( 0.02 ) TVA ANTN 112.5 284 eP :54.79 (-0.02 ) eS :08.49 ( 0.22 ) TVA BRTN 113.6 65 S? :09.14 ( 0.57 ) TVA BBG 119.0 171 eP :48:05.54 ( 9.68X) eS :14.94 ( 4.85X) TVA SLTN 179.8 71 eS :26.59 ( 0.40 ) TVA FDKY 185.7 301 eS :30.49 ( 2.89X) TVA ABTN 188.9 269 P? :06.74 ( 0.26 ) iS :29.54 ( 1.08 ) ***** 1992 MARCH 29; 20:16 - EDISON, WEST VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920329 201648.2 37.314 81.149 15.8 9 9 290 0.2 D C/D 1.6 -78 0.8 1.6 B 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO PWV 9.2 75 iPd 20:16:51.50 ( 0.10 ) eS 20:16:53.64 ( 0.03 ) VTSO WMV 27.8 145 iPc :53.66 ( 0.00 ) eS :57.37 (-0.08 ) VTSO NAV 31.5 90 ePc :54.03 (-0.13 ) eS :58.07 (-0.22 ) VTSO HWV 41.1 42 ePc :58.31 ( 2.73X) eS :17:00.74 ( 0.02 ) VTSO BLA 65.7 100 ePd :17:03.21 ( 3.85X) eS :07.56 ( 0.43 ) VTSO VWV 69.2 76 eP :00.91 ( 0.98X) eS :07.97 (-0.11 ) ***** 1992 MARCH 30; 09:20 - MORGAN SPRINGS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920330 092030.2 35.516 85.082 18.5 11 32 204 0.1 C B/D 0.5 21 0.4 2.0 B 0.5 TVA 920330 092030.4 35.524 85.080 17.4 8 32 157 0.1 C C/C 1.4 -32 0.9 6.0 D 0.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TQTN 32.3 90 P? 09:20:36.55 ( 0.12 ) iS 09:20:40.90 (-0.05 ) CERI BHT 38.7 19 iP :37.30 (-0.12 ) eS :42.80 ( 0.13 ) CERI ANTN 74.0 350 ePd :42.65 (-0.07 ) eS :51.65 (-0.18 ) CERI PDTN 74.8 249 eP :43.70 ( 0.88X) eS :52.00 ( 0.00 ) CERI GBTN 80.7 78 eS :53.60 ( 0.05 ) CERI ORT 82.7 58 P? :44.00 (-0.03X) eS :54.35 ( 0.25 ) CERI ABTN 101.6 294 eP :47.05 ( 0.13 ) eS :59.25 ( 0.15 ) TVA TQTN 32.1 91 P? 09:20:36.55 ( 0.10 ) iS 09:20:40.90 (-0.01 ) TVA ANTN 73.2 349 ePd :42.65 (-0.04 ) eS :51.65 (-0.06 ) TVA PDTN 75.2 249 eP :43.70 ( 0.72X) eS :52.00 (-0.20 ) TVA ORT 82.2 58 P? :44.00 (-0.04X) eS :54.35 ( 0.31 ) TVA ABTN 101.4 294 eP :47.05 ( 0.06 ) eS :59.25 ( 0.12 ) ***** 1992 APRIL 2; 11:17 - ATHENS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920402 111710.3 35.367 84.661 20.4 15 18 70 0.1 A A/A 0.4 18 0.3 0.8 A 2.0 CERI 920402 111710.4 35.366 84.660 20.1 31 18 56 0.1 A A/A 0.2 -12 0.2 0.5 A 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 17.5 341 iPc 11:17:14.90 ( 0.10 ) iS 11:17:17.90 (-0.17 ) TVA ETT 19.3 104 iPc :15.14 ( 0.10 ) eS :18.52 ( 0.04 ) TVA GBTN 52.6 51 iPd :19.42 (-0.17 ) eS :26.20 (-0.16 ) TVA GMG 56.0 181 iPd :20.08 (-0.09 ) eS :26.96 (-0.39 ) TVA BHT 59.1 334 iPc :20.70 ( 0.09 ) eS :28.42 ( 0.30 ) TVA ORT 68.3 28 iPc :22.00 ( 0.05X) iS :30.65 ( 0.22X) TVA RCG 76.2 235 iPc :23.16 ( 0.00 ) eS :32.98 ( 0.46 ) TVA TKL 86.7 68 eP :24.56 (-0.18X) eS :35.06 (-0.21X) TVA BBG 94.9 125 iPc :26.10 ( 0.01 ) eS :36.38 (-1.22X) TVA WSSR 99.0 95 iPc :26.76 ( 0.04X) eS :38.54 (-0.15X) TVA ANTN 103.1 330 ePd :27.60 ( 0.33X) eS :39.55 (-0.09X) TVA PDTN 108.5 265 eP :28.15 ( 0.07 ) iS :41.00 (-0.04 ) TVA LKGA 110.9 222 eP :28.40 (-0.06X) iS :42.50 ( 0.79X) TVA CRTN 118.5 39 iP :29.80 ( 0.18X) eS :43.15 (-0.55X) TVA ONTN 125.2 9 eP :30.30 (-0.35X) eS :45.45 (-0.04X) TVA ABTN 143.2 294 iP+ :33.40 ( 0.02X) iS :50.50 ( 0.29X) TVA RBNC 152.3 90 eS :51.74 (-1.10X) TVA SMTN 174.7 49 eP :39.40 ( 1.16X) TVA FDKY 188.0 327 eP :40.30 ( 0.07X) eS :18:03.25 ( 1.20X) TVA MSAL 192.3 253 P? :41.15 ( 0.26X) eS :03.65 ( 0.45X) TVA BRTN 195.7 55 P? :41.85 ( 0.41X) eS :04.30 ( 0.15X) TVA BRBC 219.3 78 eS :10.12 ( 0.41X) TVA TRYN 219.9 92 eS :11.34 ( 1.73X) TVA SLTN 258.6 62 P? :49.45 ( 0.08X) eS :19.25 ( 1.39X) TVA LAL 265.4 248 P? :51.45 ( 1.37X) eS :22.25 ( 3.15X) TVA TCT 271.1 286 P? :50.50 (-0.27X) eS :20.65 ( 0.36X) CERI TQTN 17.7 340 iPc 11:17:14.90 ( 0.08 ) iS 11:17:17.90 (-0.18 ) CERI ETT 19.2 103 iPc :15.14 ( 0.12 ) eS :18.52 ( 0.09 ) CERI GBTN 52.7 51 iPd :19.42 (-0.19 ) eS :26.20 (-0.17 ) CERI GMG 55.8 181 iPd :20.08 (-0.07 ) eS :26.96 (-0.35X) CERI BHT 59.3 334 iPc :20.70 ( 0.04 ) eS :28.42 ( 0.24X) CERI ORT 68.4 28 iPc :22.00 ( 0.02 ) iS :30.65 ( 0.18 ) CERI RCG 76.2 236 iPc :23.16 (-0.01 ) eS :32.98 ( 0.45X) CERI TKL 86.7 68 eP :24.56 (-0.22 ) eS :35.06 (-0.25 ) CERI BBG 94.7 125 iPc :26.10 ( 0.02 ) eS :36.38 (-1.18X) CERI WSSR 98.9 95 iPc :26.76 ( 0.04 ) eS :38.54 (-0.14X) CERI ANTN 103.3 330 ePd :27.60 ( 0.28 ) eS :39.55 (-0.17 ) CERI PDTN 108.6 265 eP :28.15 ( 0.03 ) iS :41.00 (-0.09 ) CERI LKGA 110.8 222 eP :28.40 (-0.08 ) iS :42.50 ( 0.79 ) CERI CRTN 118.6 38 iP :29.80 ( 0.15 ) eS :43.15 (-0.59 ) CERI ONTN 125.4 9 eP :30.30 (-0.40 ) eS :45.45 (-0.10 ) CERI ABTN 143.4 294 iP+ :33.40 (-0.03 ) iS :50.50 ( 0.22 ) CERI RBNC 152.2 90 eS :51.74 (-1.09X) CERI SMTN 174.8 49 eP :39.40 ( 1.13X) CERI FDKY 188.2 327 eP :40.30 ( 0.02 ) eS :18:03.25 ( 1.12X) CERI MSAL 192.4 253 P :41.15 ( 0.23 ) eS :03.65 ( 0.42 ) CERI BRTN 195.7 55 P :41.85 ( 0.39X) eS :04.30 ( 0.13 ) CERI SLTN 258.6 62 P :49.45 (-0.40X) eS :19.25 ( 0.56X) CERI LAL 265.5 248 P :51.45 ( 0.73X) eS :22.25 ( 2.05X) CERI TCT 271.3 286 P :50.50 (-0.92X) eS :20.65 (-0.76X) ***** 1992 APRIL 5; 05:54 - MUSCLE SHOALS, ALABAMA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920405 055432.6 34.666 87.417 5.8 11 27 183 0.2 C B/D 0.6 -20 0.4 1.6 B 2.3 CERI 920405 055432.6 34.635 87.421 15.3 12 23 186 0.2 D C/D 1.8 25 0.8 8.5 D 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 26.5 164 iP 05:54:37.35 (-0.01 ) TVA PWLA 68.7 301 eP :43.50 (-0.82X) eS 05:54:51.00 (-1.89X) TVA MSAL 71.0 73 eP+ :44.65 (-0.06 ) iS :53.55 ( 0.00 ) TVA TCT 149.1 355 iPc :57.35 ( 0.28 ) iS :55:14.55 (-0.39 ) TVA PDTN 158.2 64 eP :58.35 (-0.12 ) eS :17.40 ( 0.03 ) TVA ABTN 180.2 41 eP :55:01.60 (-0.24 ) iS :23.30 ( 0.11 ) TVA MOTN 222.6 347 iP+ :08.05 (-0.28 ) iS :34.95 ( 0.54 ) TVA ANTN 259.4 49 eP+ :13.65 ( 0.49X) S? :44.80 ( 2.02X) TVA TQTN 262.9 68 eS :47.00 ( 3.57X) TVA FDKY 277.6 31 P? :16.70 ( 1.35X) S? :47.95 ( 1.39X) TVA HAKY 280.9 15 eS :51.05 ( 3.83X) CERI LAL 23.3 161 iP 05:54:37.35 ( 0.02 ) CERI PWLA 70.2 303 eP :43.50 (-0.93X) eS 05:54:51.00 (-2.07X) CERI MSAL 72.4 71 eP+ :44.65 (-0.11 ) iS :53.55 (-0.10 ) CERI TCT 152.5 356 iPc :57.35 ( 0.31 ) iS :55:14.55 (-0.33 ) CERI PDTN 160.1 63 eP :58.35 ( 0.15 ) eS :17.40 ( 0.52 ) CERI ABTN 183.1 40 eP :55:01.60 (-0.13 ) iS :23.30 ( 0.30 ) CERI MOTN 225.9 347 iP+ :08.05 (-0.23 ) iS :34.95 ( 0.61 ) CERI ANTN 262.0 49 eP+ :13.65 ( 0.63 ) S? :44.80 ( 2.27X) CERI TQTN 264.5 68 eS :47.00 ( 4.01X) CERI FDKY 280.8 31 P? :16.70 ( 1.42X) S? :47.95 ( 1.50X) CERI HAKY 284.4 15 eS :51.05 ( 3.91X) ***** 1992 APRIL 5; 11:57 - MUSCLE SHOALS, ALABAMA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920405 115737.0 34.627 87.458 19.0 14 24 153 0.2 C C/C 1.1 1 0.8 3.2 C 2.0 TVA 920405 115737.1 34.670 87.447 4.4 9 28 143 0.2 C B/C 1.2 27 0.4 2.2 B 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI LAL 23.8 152 iP 11:57:42.15 ( 0.10 ) CERI PWLA 67.9 305 eP :48.00 (-0.49 ) eS 11:57:56.00 (-0.91X) CERI MSAL 75.9 71 eP+ :49.40 (-0.31 ) iS :59.05 ( 0.04 ) CERI TCT 153.2 357 iPd :58:01.95 ( 0.43 ) iS :58:19.40 (-0.05 ) CERI PDTN 163.5 64 eP+ :03.15 ( 0.04 ) eS :22.30 ( 0.10 ) CERI LKGA 182.1 90 iS :28.45 ( 1.28 ) CERI ABTN 185.9 41 eP- :06.60 ( 0.06 ) iS :28.25 ( 0.11 ) CERI MOTN 226.1 348 iPd :12.50 (-0.10 ) iS :39.55 ( 0.94 ) CERI ANTN 265.1 49 eP+ :18.25 ( 0.82 ) eS :48.75 ( 1.78X) CERI FDKY 283.3 32 P? :21.80 ( 2.19X) S? :53.00 ( 2.25X) CERI HAKY 286.1 16 eS :54.45 ( 3.18X) TVA LAL 27.8 159 iP 11:57:42.15 ( 0.06 ) TVA PWLA 66.1 302 eP :48.00 (-0.49 ) eS 11:57:56.00 (-0.81X) TVA MSAL 73.4 74 eP+ :49.40 (-0.30 ) iS :59.05 ( 0.14 ) TVA TCT 148.5 356 iPd :58:01.95 ( 0.35 ) iS :58:19.40 (-0.09 ) TVA PDTN 160.5 65 eP+ :03.15 (-0.30 ) eS :22.30 (-0.39 ) TVA LKGA 181.1 91 iS :28.45 ( 0.25 ) TVA ABTN 181.6 42 eP- :06.60 (-0.09X) iS :28.25 (-0.05X) TVA MOTN 221.6 347 iPd :12.50 (-0.29X) iS :39.55 ( 0.69X) TVA ANTN 261.2 50 eP+ :18.25 ( 0.19X) eS :48.75 ( 0.78X) TVA FDKY 278.7 32 P? :21.80 ( 1.64X) S? :53.00 ( 1.40X) TVA HAKY 281.2 16 eS :54.45 ( 2.35X) ***** 1992 APRIL 7; 10:43 - ROGERSVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920407 104322.9 36.365 82.970 21.6 6 9 186 0.1 D D/D 99.0 -9 0.9 3.6 D 1.6 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA BRTN 9.2 96 iPc 10:43:26.75 (-0.10 ) iS 10:43:29.80 ( 0.05 ) TVA SLTN 76.7 83 P? :36.35 ( 0.46 ) eS :45.45 ( 0.05 ) TVA CRTN 80.3 257 P? :36.65 ( 0.28 ) eS :46.50 ( 0.29 ) ***** 1992 APRIL 18; 23:34 - CHARLESTON, SOUTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920418 233458.7 33.020 80.246 3.0 4 6 169 0.1 C A/D 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 5.7 182 iPu 23:35:00.17 (-0.01 ) S 23:35:01.27 (-0.07X) USC HBF 11.4 225 iPd :01.05 (-0.01 ) S :02.79 (-0.13X) USC CFS 29.5 14 eP :04.22 (-0.01 ) S :11.18 ( 2.63X) USC VRN 64.9 272 eP :10.57 ( 0.25 ) ***** 1992 APRIL 25; 20:01 - CHATSWORTH, GEORGIA ***** GIT Possible blast. TVA Very likely an earthquake but may have blast coda mixed with the earthquake signal. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920425 200159.1 34.905 84.686 6.9 26 5 71 0.3 B B/A 0.3 86 0.3 0.6 A 1.4 CERI 920425 200159.1 34.904 84.686 6.6 26 5 114 0.3 B B/B 0.5 -80 0.4 0.9 A 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GMG 4.9 163 iPc 20:02:00.90 ( 0.16 ) eS 20:02:01.56 (-0.38 ) TVA CDG 32.6 178 P :05.00 ( 0.11 ) S :08.40 (-0.71X) TVA DALG 32.8 244 P :04.05 (-0.88X) S :08.00 (-1.18X) TVA WMTN 46.2 326 iP- :06.85 (-0.29 ) iS :13.10 ( 0.09 ) TVA ETT 51.3 24 eP :07.96 (-0.02 ) eS :14.82 ( 0.36 ) TVA TQTN 67.9 357 eP- :11.10 ( 0.39 ) iS :19.10 (-0.09 ) TVA LKGA 78.5 247 iS :22.35 ( 0.10 ) TVA BBG 80.0 92 eP :12.76 (-0.02 ) eS :21.64 (-1.13X) TVA GBTN 94.9 27 eP :14.88 (-0.29 ) eS :26.54 (-0.36 ) TVA BHT 107.2 347 eS :29.30 (-1.02X) TVA WSSR 109.2 67 iPc :17.26 (-0.24 ) eS :30.54 (-0.39 ) TVA PDTN 113.7 291 eP :17.80 (-0.31 ) eS :31.55 (-0.43 ) TVA ORT 116.7 17 eP :19.10 ( 0.53 ) eS :32.85 ( 0.07 ) TVA TKL 117.7 45 eP :18.40 (-0.32 ) eS :33.66 ( 0.61 ) TVA ANTN 149.0 341 eP- :23.25 (-0.29 ) eS :40.65 (-0.73 ) TVA CRTN 162.8 28 eP :25.85 ( 0.21 ) eS :44.90 (-0.12 ) TVA BRBC 237.0 66 eP :37.74 ( 0.75 ) CERI GMG 4.8 163 iPc 20:02:00.90 ( 0.20 ) eS 20:02:01.56 (-0.31 ) CERI CDG 32.6 178 P :05.00 ( 0.12 ) S :08.40 (-0.69X) CERI DALG 32.9 244 P :04.05 (-0.89X) S :08.00 (-1.21X) CERI WMTN 46.3 326 iP- :06.85 (-0.29 ) iS :13.10 ( 0.09 ) CERI ETT 51.3 24 eP :07.96 (-0.03 ) eS :14.82 ( 0.35 ) CERI TQTN 68.0 357 eP- :11.10 ( 0.38 ) iS :19.10 (-0.09 ) CERI LKGA 78.4 247 iS :22.35 ( 0.12 ) CERI BBG 80.1 92 eP :12.76 (-0.02 ) eS :21.64 (-1.13 ) CERI GBTN 94.9 27 eP :14.88 (-0.29 ) eS :26.54 (-0.37 ) CERI BHT 107.2 347 eS :29.30 (-1.06X) CERI WSSR 109.2 67 iPc :17.26 (-0.27 ) eS :30.54 (-0.44X) CERI PDTN 113.7 291 eP :17.80 (-0.32 ) eS :31.55 (-0.46 ) CERI ORT 116.8 17 eP :19.10 ( 0.51 ) eS :32.85 ( 0.03 ) CERI TKL 117.9 44 eP :18.40 (-0.36 ) eS :33.66 ( 0.55 ) CERI ANTN 149.1 341 eP- :23.25 (-0.31 ) eS :40.65 (-0.76 ) CERI CRTN 162.9 28 eP :25.85 ( 0.18 ) eS :44.90 (-0.16 ) CERI BRBC 237.1 66 eP :37.74 ( 0.58 ) Additional Data: GIT DALG P 20:02:04.5 S 20:02:08.0 GIT CDG P :05.0 S :08.4 ***** 1992 APRIL 26; 04:17 - DALTON, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920426 041701.8 34.719 85.132 25.4 22 13 185 0.2 C B/D 0.9 -36 0.3 0.9 A 1.2 TVA 920426 041702.4 34.736 85.148 22.0 14 14 176 0.1 C B/C 1.1 -39 0.3 1.4 B 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI DALG 12.8 63 P 04:17:06.70 ( 0.20 ) S 04:17:09.90 (-0.03 ) CERI LKGA 32.9 251 eP :08.75 ( 0.12 ) iS :13.50 (-0.12 ) CERI WMTN 60.4 14 P? :12.30 (-0.12 ) iS :20.15 (-0.02 ) CERI ETT 91.4 42 eP :16.80 (-0.26 ) eS :28.30 ( 0.10 ) CERI TQTN 95.8 23 eP :17.90 ( 0.20 ) eS :29.15 (-0.16 ) CERI BBG 122.1 82 eS :34.90 (-1.48 ) CERI BHT 126.3 8 eS :38.20 ( 0.81 ) CERI GBTN 134.4 38 eP :23.50 (-0.07 ) eS :38.70 (-0.76 ) CERI MSAL 141.8 276 eS :42.10 ( 0.72 ) CERI WSSR 154.8 66 eP :26.60 (-0.17 ) eS :44.10 (-0.90 ) CERI ABTN 157.0 326 eP+ :27.35 ( 0.35 ) eS :46.75 ( 1.35X) CERI ANTN 161.4 357 eP :27.70 ( 0.00 ) eS :46.85 ( 0.24 ) CERI LAL 204.7 262 eS :59.55 ( 1.60X) CERI ONTN 205.2 18 eP :34.65 ( 0.29 ) eS :58.30 ( 0.17 ) TVA DALG 13.5 72 P 04:17:06.70 ( 0.04 ) S 04:17:09.90 ( 0.10 ) TVA LKGA 32.2 247 eP :08.75 (-0.07 ) iS :13.50 (-0.03 ) TVA WMTN 59.1 16 P? :12.30 (-0.35 ) iS :20.15 (-0.01 ) TVA TQTN 94.8 24 eP :17.90 (-0.13 ) eS :29.15 (-0.31 ) TVA MSAL 140.1 275 eS :42.10 ( 0.65 ) TVA ABTN 154.6 326 eP+ :27.35 ( 0.17 ) eS :46.75 ( 1.45X) TVA ANTN 159.5 357 eP :27.70 (-0.25 ) eS :46.85 ( 0.22 ) TVA LAL 203.5 261 eS :59.55 ( 1.77X) TVA ONTN 204.0 18 eP :34.65 ( 0.16 ) eS :58.30 ( 0.35 ) Additional Data: GIT DALG P 04:17:06.7 S 04:17:09.9 ***** 1992 APRIL 26; 07:54 - EUTAW, ALABAMA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920426 075452.6 32.725 87.626 9.5 16 192 296 0.6 D D/D 5.4 79 3.1 4.6 D 1.8 TVA 920426 075452.7 32.744 87.785 11.2 8 192 312 0.2 D D/D 3.6 84 1.4 2.5 C 2.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI LAL 191.7 8 eP 07:55:23.65 ( 0.26 ) iS 07:55:45.85 (-0.01 ) CERI MSAL 251.3 20 eP :31.65 (-0.67 ) iS :56:00.75 (-0.55 ) CERI PWLA 253.4 351 eP :31.92 (-0.64 ) eS :03.22 ( 1.50 ) CERI LKGA 290.2 43 eP :36.80 (-0.32 ) iS :10.30 ( 0.68 ) CERI PDTN 326.9 30 P :42.15 ( 0.59 ) S :20.35 ( 3.05X) CERI GMG 362.1 48 eP :48.68 ( 2.71 ) eS :27.88 ( 2.96X) CERI TCT 364.0 1 eP :49.15 ( 3.07X) eS :31.55 ( 6.43X) CERI ABTN 377.4 21 eP :50.15 ( 2.41X) iS :27.65 (-0.34 ) CERI TQTN 409.2 40 S :41.05 ( 6.36X) CERI ETT 411.1 45 eP :54.08 ( 2.19 ) CERI BBG 426.2 55 eP :56.70 ( 2.87 ) CERI MOTN 433.2 356 P :55.05 ( 0.52 ) eS :40.75 ( 1.01 ) CERI ANTN 441.1 29 P :57.30 ( 1.73 ) CERI GBTN 453.3 43 eP :56:03.56 ( 6.54X) TVA LAL 192.3 12 eP 07:55:23.65 ( 0.24 ) iS 07:55:45.85 (-0.02 ) TVA MSAL 254.9 24 eP :31.65 (-0.37 ) iS :56:00.75 (-0.01 ) TVA LKGA 299.1 45 eP :36.80 (-0.67 ) iS :10.30 ( 0.11 ) TVA PDTN 332.7 32 P? :42.15 ( 0.61 ) S? :20.35 ( 3.12X) TVA TCT 362.4 3 eP :49.15 ( 3.99X) eS :31.55 ( 8.05X) TVA ABTN 381.1 23 eP :50.15 ( 2.69X) iS :27.65 ( 0.18X) TVA TQTN 417.3 42 S? :41.05 ( 5.94X) TVA MOTN 430.2 358 P? :55.05 ( 1.61 ) eS :40.75 ( 2.94X) TVA ANTN 446.8 31 P? :57.30 ( 1.78X) eS :54.35 TVA ORT 475.2 41 eS :57:02.15 ***** 1992 APRIL 30; 07:31 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Between Middleton Place and Summerville. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920430 073130.5 33.039 80.164 5.9 5 10 157 0.1 D C/D 3.5 360 3.5 29.3 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC TWB 10.2 34 iPd 07:31:32.95 ( 0.02 ) S 07:31:34.48 (-0.34X) USC SVS 11.1 225 iPd :34.11 ( 1.06X) S :34.16 (-0.87X) USC BCS 11.3 125 iPu :33.13 (-0.08 ) S :35.26 (-0.06X) USC RGR 14.8 191 iPu :33.66 ( 0.07 ) S :36.10 ( 0.11X) USC MGS 15.8 172 iPu :33.92 ( 0.12 ) S :34.70 (-1.67X) USC HBF 18.7 237 iPd :34.17 (-0.04 ) S :36.39 (-0.71X) UCS CFS 26.5 359 eP :33.19 (-2.39X) S :35.33 (-4.21X) USC LHS 170.2 340 iPd :32:00.37 ( 3.10X) ***** 1992 MAY 5; 01:29 - ETOWAH, TENNESSEE ***** GIT Felt Etowah, Tennessee. TVA & CERI Felt in two places in Polk County, TN. The strongest intensity is III near Turtletown, TN. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920505 012956.2 35.247 84.527 15.5 29 35 103 0.2 C C/C 0.5 -44 0.3 7.7 D 2.7 3 TVA 920505 012956.2 35.249 84.524 13.6 12 35 88 0.2 C B/C 0.9 -51 0.3 1.7 B 2.5 3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TQTN 34.8 329 iP 01:30:02.75 ( 0.16 ) CERI WMTN 40.6 270 iP :03.20 (-0.28 ) CERI GBTN 54.6 32 iPd :05.58 (-0.04 ) eS 01:30:12.14 (-0.39 ) CERI DALG 68.6 220 P :08.20 ( 0.43 ) S :15.50 (-0.75X) CERI CDG 71.8 191 P :08.60 ( 0.35 ) S :16.80 (-0.28 ) CERI ORT 76.2 15 eP :09.15 ( 0.22 ) iS :18.45 ( 0.20 ) CERI BHT 76.6 330 iPc :09.04 ( 0.02 ) eS :18.76 ( 0.34 ) CERI TKL 82.2 56 iPd :09.70 (-0.15 ) eS :19.74 (-0.11 ) CERI WSSR 86.4 87 iPd :10.68 ( 0.09 ) eS :21.12 ( 0.00 ) CERI LKGA 110.7 232 ePd :13.55 (-0.68 ) CERI PDTN 120.4 272 ePc :15.50 (-0.19 ) iS :29.60 (-0.34 ) CERI ANTN 120.7 328 iP :15.75 (-0.02 ) CERI CRTN 122.6 30 eP :16.10 ( 0.06 ) eS :31.90 ( 1.34X) CERI ONTN 137.2 3 eP :18.10 (-0.18 ) S :34.50 ( 0.06 ) CERI RBNC 140.7 85 iPd :18.96 ( 0.02 ) eS :36.46 ( 0.90 ) CERI ABTN 159.9 297 eP+ :21.85 ( 0.10 ) CERI RICH 171.9 64 eP+ :23.84 ( 0.21 ) eS :46.50 ( 2.82X) CERI FGTN 178.4 42 iPc :24.46 (-0.13 ) eS :45.56 ( 0.22 ) CERI BRTN 194.0 50 eP+ :27.35 ( 0.36 ) S :50.75 ( 1.25X) CERI MSAL 200.8 258 eP :26.80 (-1.19X) iS :51.20 (-0.04X) CERI ATL 202.0 175 P :28.40 ( 0.23X) S :52.10 ( 0.55X) CERI FDKY 205.8 327 iP :29.10 ( 0.34X) S :54.50 ( 1.94X) CERI TRYN 207.6 89 iPd :28.72 (-0.38X) eS :53.82 ( 0.67X) CERI BRBC 210.6 74 eP+ :29.82 ( 0.18X) eS :56.08 ( 1.99X) CERI SLTN 254.7 58 eP :34.50 (-1.11X) eS :31:04.70 ( 0.29X) CERI GFM 264.2 68 eP :36.46 (-0.52X) eS :07.26 ( 0.48X) CERI HAKY 277.1 319 eP :38.10 (-0.23X) eS :10.25 ( 1.13X) CERI TCT 286.7 288 eP :38.80 (-0.73X) eS :11.00 (-0.20X) CERI PWLA 323.8 266 eS :19.00 (-0.03X) TVA TQTN 34.9 328 iP 01:30:02.75 ( 0.15 ) TVA WMTN 40.9 270 iP :03.20 (-0.37 ) TVA GBTN 54.3 31 iPd :05.58 (-0.13 ) eS 01:30:12.14 (-0.50X) TVA DALG 68.8 220 P :08.20 ( 0.27 ) S :15.50 (-0.97X) TVA CDG 72.0 191 P :08.60 ( 0.17 ) S :16.80 (-0.53 ) TVA ORT 75.9 15 eP :09.15 ( 0.12X) iS :18.45 ( 0.07X) TVA BHT 76.6 330 iPc :09.04 (-0.13X) eS :18.76 ( 0.14X) TVA TKL 81.8 56 eP :10.00 ( 0.07 ) eS :20.50 ( 0.57 ) TVA WSSR 86.1 88 iPd :10.68 ( 0.01 ) eS :21.12 (-0.10 ) TVA LKGA 111.0 232 ePd :13.55 (-0.88X) TVA PDTN 120.7 272 ePc :15.50 (-0.38X) iS :29.60 (-0.63X) TVA ANTN 120.8 328 iP :15.75 (-0.17X) TVA CRTN 122.3 30 eP :16.10 (-0.04X) eS :31.90 ( 1.23X) TVA ONTN 137.0 3 eP :18.10 (-0.30X) S? :34.50 (-0.09X) TVA RBNC 140.4 85 iPd :18.96 (-0.07X) eS :36.46 ( 0.79X) TVA ABTN 160.2 297 eP+ :21.85 (-0.08X) TVA RICH 171.5 64 eP+ :23.84 ( 0.13X) eS :46.50 ( 2.72X) TVA BRTN 193.7 50 eP+ :27.35 ( 0.27X) S? :50.75 ( 1.14X) TVA MSAL 201.2 258 eP :26.80 (-1.40X) iS :51.20 (-0.34X) TVA ATL 202.1 175 P :28.40 ( 0.06 ) S :52.10 ( 0.32 ) TVA FDKY 205.8 327 iP :29.10 ( 0.18X) S? :54.50 ( 1.72X) TVA TRYN 207.3 89 iPd :28.72 (-0.47X) eS :53.82 ( 0.56X) TVA BRBC 210.2 74 eP+ :29.82 ( 0.09X) eS :56.08 ( 1.89X) TVA SLTN 254.3 58 eP :34.50 (-0.89X) eS :31:04.70 ( 0.71X) TVA GFM 263.9 68 eP :36.46 (-0.16X) eS :07.26 ( 1.16X) TVA HAKY 277.2 319 eP :38.10 ( 0.05X) eS :10.25 ( 1.67X) TVA TCT 287.0 288 eP :38.80 (-0.45X) eS :11.00 ( 0.35X) TVA PWLA 324.1 266 eS :19.00 ( 0.49X) Additional Data: GIT DALG P 01:30:08.2 S 01:30:15.5 GIT CDG P :08.6 S :16.8 GIT ATL P :28.4 S :52.1 ***** 1992 MAY 6; 21:20 - VICTOR, WEST VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920506 212023.9 38.118 81.069 10.3 14 62 273 0.2 D C/D 1.5 -76 1.0 1.2 B 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO HWV 61.9 161 iPc 21:20:34.66 ( 0.07 ) iS 21:20:42.07 ( 0.08 ) VTSO PWV 86.9 179 ePc :38.75 ( 0.10 ) eS :49.02 ( 0.09 ) VTSO NAV 92.3 165 iPc :39.23 (-0.22 ) eS :50.54 ( 0.24 ) VTSO WMV 112.3 176 ePd :42.62 ( 0.04 ) iS :55.48 (-0.11 ) VTSO BLA 115.7 150 ePc :42.78 (-0.27 ) eS :56.16 (-0.25 ) VTSO FRV 259.7 112 eP :21:04.54 (-0.03 ) eS :21:32.97 (-0.20 ) VTSO NA12 280.3 92 eP :07.40 ( 0.33 ) eS :38.48 ( 1.02 ) ***** 1992 MAY 7; 08:40 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude 1.77. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920507 084047.9 33.009 80.161 5.3 5 9 223 0.0 C A/D 0.2 360 0.2 0.7 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 9.3 241 iPd 08:40:50.11 ( 0.00 ) S 08:40:51.18 (-0.66X) USC BCS 9.5 110 iPu :50.27 ( 0.00 ) S :52.22 ( 0.10X) USC RGR 11.7 195 iPu :50.44 ( 0.01 ) S :51.75 (-0.65X) USC MGS 12.5 171 iPu :50.60 (-0.01 ) USC HBF 17.4 247 iP- :51.36 ( 0.00 ) S :53.27 (-0.79X) USC DRC 23.8 297 iPu :52.80 ( 0.24X) S :56.04 (-0.15X) USC VRN 72.8 272 eP- :41:00.97 ( 0.40X) ***** 1992 MAY 7; 20:11 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude 2.1. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920507 201104.5 33.040 80.151 2.5 7 9 101 0.1 B A/B 0.6 360 0.6 1.9 1.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC TWB 9.4 28 iPd 20:11:06.53 (-0.04 ) USC BCS 10.4 130 ePd :06.90 ( 0.05 ) S 20:11:09.08 ( 0.35X) USC SVS 12.1 229 iPd :06.97 (-0.05 ) S :08.76 (-0.27X) USC RGR 15.2 195 iPd :07.56 ( 0.05 ) S :09.43 (-0.48X) USC MGS 15.8 177 iPd :07.58 (-0.08X) S :08.95 (-1.22X) USC HBF 19.8 239 iPu :08.15 (-0.15 ) S :10.48 (-0.83X) USC DRC 23.4 289 iPd :09.07 ( 0.05 ) USC CFS 26.5 356 iPu :09.49 ( 0.01 ) S :12.28 (-1.14X) USC COW 63.6 307 eP :15.37 (-0.54X) USC VRN 73.7 270 ePd :17.10 (-0.39X) USC MTT 159.3 300 iP+ :30.62 ( 0.14X) USC MR02 162.4 322 eP :31.45 ( 0.70X) USC JSC 171.9 323 eP+ :32.88 ( 1.03X) S :53.09 (-0.14X) USC MR05 174.8 321 eP :33.09 ( 0.87X) USC MR10 181.0 323 eP :35.23 ( 2.27X) USC MR07 183.5 324 eP :35.49 ( 2.21X) ***** 1992 MAY 19; 08:45 - HILLSVILLE, VIRGINIA ***** VTSO Felt (III) at Hillsville, Virginia. NEIC Felt (III) at Hillsville, Virginia. CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920519 084505.8 36.749 80.704 0.8F 20 42 182 0.3 C B/D 1.0 -51 0.5 2.1 B 2.0 3 CERI 920519 084506.2 36.771 80.735 11.3 23 40 176 0.4 C C/C 1.3 -49 0.6 2.5 B 2.4 NEIC 920519 084506.3 36.767 80.710 5.0F 12 45 2.0 3 TVA 920519 084506.8 36.749 80.718 0.0 35 41 131 0.3 C B/C 0.5 -54 0.2 1.0 A 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO PLVA 41.8 257 iPd 08:45:13.50 ( 0.22 ) iS 08:45:18.12 ( 0.08 ) VTSO WMV 46.4 329 eP :13.82 (-0.27 ) eLG :19.39 ( 0.02 ) VTSO BLA 57.2 26 eP :16.06 ( 0.04 ) eLG :22.49 ( 0.00 ) VTSO NAV 63.4 353 eP :17.37 ( 0.33 ) eLG :24.09 (-0.21 ) VTSO PWV 71.9 335 eP :18.62 ( 0.16 ) eLG :26.74 (-0.04 ) VTSO PKNC 88.0 208 eP :20.94 (-0.20 ) VTSO GFM 121.7 235 iPd :25.92 (-0.79 ) eS :41.28 ( 0.09 ) VTSO SLTN 131.2 255 ePc :27.37 (-0.76 ) iS :42.22 (-1.40X) VTSO BENN 157.1 214 eP :32.36 ( 0.30 ) eS :51.58 ( 1.27X) VTSO BRBC 181.1 232 eP :35.36 (-0.47 ) eS :57.60 ( 0.91 ) VTSO BRTN 198.6 258 eP+ :38.37 (-0.02 ) eS :46:01.47 ( 0.40 ) VTSO RICH 211.1 245 eP :40.12 (-0.21X) VTSO FRV 214.7 76 eLG :05.50 ( 0.28 ) VTSO TRYN 218.4 221 eP :41.10 (-0.34X) eS :06.48 ( 0.22X) VTSO FGTN 225.7 262 eP :42.64 ( 0.11X) VTSO RBNC 257.2 234 eP :46.90 (-0.63X) VTSO GHV 257.8 62 eP :44.80 (-2.59X) eLG :18.20 ( 1.77X) VTSO CRTN 287.7 259 eP :50.27 (-0.81X) eS :22.72 (-0.15X) CERI PLVA 39.7 253 iPd 08:45:13.50 ( 0.20 ) iS 08:45:18.12 (-0.38 ) CERI WMV 43.0 331 eP :13.82 ( 0.01 ) eLG :19.39 ( 0.01 ) CERI BLA 56.3 30 eP :16.06 ( 0.10 ) eLG :22.49 (-0.61 ) CERI NAV 60.9 355 eP :17.37 ( 0.66 ) eLG :24.09 (-0.30 ) CERI PWV 68.6 336 eP :18.62 ( 0.63 ) eLG :27.74 ( 1.13X) CERI PKNC 88.9 205 eP :20.94 (-0.21 ) CERI GFM 120.8 233 iPd :25.92 (-0.20 ) eS :41.28 ( 0.60X) CERI SLTN 129.2 254 ePc :27.37 ( 0.11 ) iS :42.22 (-0.42 ) CERI BENN 157.6 212 eP :32.36 ( 0.68 ) eS :51.58 ( 1.29 ) CERI BRBC 180.3 231 eP :35.36 ( 0.10 ) eS :57.60 ( 1.11X) CERI BRTN 196.3 257 eP+ :38.37 ( 0.78 ) eS :46:01.47 ( 0.95 ) CERI RICH 209.5 244 eP :40.12 ( 0.48 ) CERI TRYN 215.3 220 eP :41.10 ( 0.57 ) eS :06.48 ( 0.88 ) CERI FRV 216.9 77 eLG :05.50 (-0.40 ) CERI FGTN 223.2 261 eP :42.64 ( 0.94 ) CERI RBNC 256.3 233 eP :46.90 ( 0.39X) CERI CRTN 285.4 258 eP :50.27 ( 0.38X) eS :22.72 ( 0.92X) CERI TKL 299.8 247 eP :51.98 ( 0.35X) eS :24.70 (-0.11X) CERI WSSR 305.1 238 eP :52.82 ( 0.41X) CERI ONTN 333.2 266 eS :34.52 ( 2.58X) CERI ORT 334.4 254 S :35.07 ( 2.94X) CERI GBTN 335.6 250 eP :56.26 ( 0.25X) CERI BBG 348.6 234 eP :58.84 ( 1.11X) eS :37.04 ( 1.69X) CERI ETT 371.5 246 eP :47:01.90 ( 1.47X) eS :41.28 ( 1.25X) CERI TQTN 385.1 250 S :46.57 ( 3.72X) CERI ANTN 408.4 262 S :52.57 ( 4.73X) CERI ABTN 492.3 260 P :20.62 ( 5.45X) eS :47:08.72 ( 3.18X) NEIC WMV 44.5 329 P 08:45:13.81 (-0.5 ) S 08:45:19.38 ( X) NEIC BLA 55.6 27 iPc :16.12 (-0.2 ) eS :22.84 ( X) NEIC NAV 61.2 353 eP :16.58 (-0.8 ) iS :23.81 ( X) NEIC PWV 70.1 335 P :18.60 (-0.3 ) S :26.70 ( X) NEIC CEH 174.6 123 iPc :34.12 (-0.8 ) eS :53.71 ( X) NEIC CVL 240.2 55 ePd :44.46 ( 1.0 ) eS :46:13.48 ( X) NEIC LHS 253.5 182 ePn :42.86 (-2.4 ) eS :14.07 ( X) iPg :45.00 NEIC JSC 280.2 190 P? :48.79 ( 0.2 ) eS :18.34 ( X) NEIC TKL 301.3 247 P? :51.77 ( 0.4 ) eS :26.95 ( X) NEIC NA2 302.5 59 Pn? :51.89 ( 0.5 ) eS :29.80 ( X) ePg :54.09 NEIC PRM 333.6 207 Pn? :56.85 ( 1.5 ) eS :33.33 ( X) NEIC GBTN 338.0 250 ePn :56.21 ( 0.3 ) eS :39.09 ( X) TVA PLVA 40.6 257 iPd 08:45:13.50 ( 0.16 ) iS 08:45:18.12 ( 0.16 ) TVA WMV 45.8 331 eP :13.82 (-0.36 ) eLG :19.39 ( 0.01 ) TVA BLA 57.7 27 eP :16.06 (-0.02 ) eLG :22.49 (-0.15 ) TVA NAV 63.4 354 eP :17.37 ( 0.38 ) eLG :24.09 (-0.10 ) TVA PWV 71.3 336 eP :18.62 ( 0.35 ) eLG :27.74 ( 1.37X) TVA PKNC 87.4 207 eP :20.94 ( 0.11 ) TVA GFM 120.6 234 iPd :25.92 (-0.23 ) eS :41.28 ( 1.43X) TVA SLTN 130.0 255 ePc :27.37 (-0.28 ) iS :42.22 (-0.20 ) TVA BENN 156.4 213 eP :32.36 ( 0.49 ) eS :51.58 ( 1.94X) TVA BRBC 180.0 232 eP :35.36 (-0.30 ) eS :57.60 ( 1.48X) TVA BRTN 197.3 258 eP+ :38.37 (-0.05 ) eS :46:01.47 ( 0.64 ) TVA RICH 209.9 245 eP :40.12 (-0.31 ) TVA TRYN 214.5 220 eP :41.10 (-0.07 ) eS :06.48 ( 0.95 ) TVA FRV 216.0 76 eLG :05.50 (-0.45 ) TVA FGTN 224.4 262 eP :42.64 (-0.08 ) TVA RBNC 256.1 234 eP :46.90 ( 0.13 ) TVA CRTN 286.4 259 eP :50.27 (-0.09 ) eS :22.72 ( 0.10 ) TVA TKL 300.3 247 eP :51.98 (-0.08 ) eS :24.70 (-0.93 ) TVA WSSR 305.1 239 eP :52.82 ( 0.06 ) TVA ONTN 334.5 266 eS :34.52 ( 1.36 ) TVA ORT 335.2 255 S? :35.07 ( 1.81X) TVA GBTN 336.2 250 eP :56.26 (-0.23 ) TVA BBG 348.4 234 eP :58.84 ( 0.74 ) eS :97.04 ( 0.74 ) TVA ETT 371.9 246 eP :47:01.90 ( 0.98 ) eS :41.28 (-0.02 ) TVA TQTN 385.8 250 S? :46.57 ( 2.29X) TVA ANTN 409.5 262 S? :52.57 ( 3.05X) TVA ABTN 493.4 260 P? :20.62 ( 4.74X) eS :47:08.72 ( 0.93 ) ***** 1992 MAY 31; 04:36 - MOSHEIM, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920531 043602.1 36.186 82.884 22.9 25 19 63 0.2 A A/A 0.5 -1 0.3 0.9 A 1.5 TVA 920531 043602.2 36.190 82.877 23.0 31 19 65 0.3 B B/A 0.5 -5 0.3 1.0 A 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BRTN 19.0 4 iP 04:36:07.26 ( 0.16 ) iS 04:36:10.66 (-0.06 ) CERI FGTN 39.2 315 iPc :09.52 (-0.08 ) eS :14.92 (-0.13 ) CERI BRBC 73.3 132 iPd :14.62 (-0.12 ) eS :23.60 (-0.34X) CERI SLTN 74.3 67 ePc :14.86 ( 0.15 ) eS :23.76 (-0.12 ) CERI CRTN 86.1 271 eP+ :16.41 (-0.11 ) eS :27.06 ( 0.03 ) CERI RBNC 92.5 186 eP :17.54 (-0.08 ) eS :28.82 (-0.10 ) CERI GFM 97.3 95 iPd :18.16 (-0.18 ) CERI TKL 99.4 234 eP :18.02 (-0.51X) eS :30.80 ( 0.30 ) CERI TRYN 117.2 150 eP :21.48 ( 0.19 ) CERI WSSR 118.7 212 eP :21.36 (-0.21 ) CERI BENN 130.2 122 eP :23.42 ( 0.15 ) CERI ORT 131.7 257 iS :39.66 ( 0.66 ) CERI GBTN 132.9 245 eP :23.06 (-0.57 ) eS :40.02 ( 0.69X) CERI ONTN 143.8 284 P :26.11 ( 0.79 ) eS :42.76 ( 0.52 ) CERI PKNC 156.2 95 eP :27.50 ( 0.26 ) CERI PLVA 163.5 70 eP :28.90 ( 0.49X) CERI BBG 168.1 210 eP :28.80 (-0.31 ) eS :49.60 ( 0.79 ) CERI ETT 171.2 237 eP :29.78 ( 0.27 ) CERI TQTN 182.2 246 eS :52.76 ( 0.39 ) CERI BHT 189.6 259 eP :32.32 (-0.03X) eS :55.30 ( 0.90X) CERI ABTN 292.5 264 S :37:17.36 ( 0.08X) TVA BRTN 18.5 3 iP 04:36:07.26 ( 0.15 ) iS 04:36:10.66 (-0.05 ) TVA FGTN 39.3 314 iPc :09.52 (-0.15 ) eS :14.92 (-0.22 ) TVA BRBC 73.1 133 iPd :14.62 (-0.13 ) eS :23.60 (-0.33 ) TVA SLTN 73.5 67 ePc :14.86 ( 0.11 ) eS :23.76 (-0.17 ) TVA CRTN 86.7 271 eP+ :16.41 (-0.24 ) eS :27.06 (-0.16 ) TVA RBNC 92.9 186 eP :17.54 (-0.18 ) eS :28.82 (-0.26 ) TVA GFM 96.7 95 iPd :18.16 (-0.13 ) TVA TKL 100.2 234 eP :18.02 (-0.67X) eS :30.80 ( 0.06 ) TVA TRYN 117.2 151 eP :21.48 ( 0.14 ) TVA WSSR 119.4 212 eP :21.36 (-0.34 ) TVA BENN 129.9 122 eP :23.42 ( 0.16 ) TVA ORT 132.3 257 iS :39.66 ( 0.44 ) TVA GBTN 133.6 245 eP :23.06 (-0.72 ) eS :40.02 ( 0.46 ) TVA ONTN 144.3 283 P? :26.11 ( 0.68 ) eS :42.76 ( 0.35 ) TVA PKNC 155.6 95 eP :27.50 ( 0.31 ) TVA PLVA 162.8 71 eP :28.90 ( 0.57 ) TVA BBG 168.8 210 eP :28.80 (-0.45 ) eS :49.60 ( 0.58 ) TVA ETT 171.9 237 eP :29.78 ( 0.12 ) TVA TQTN 183.0 246 eS :52.76 ( 0.16 ) TVA BHT 190.2 259 eP :32.32 (-0.16 ) eS :55.30 ( 0.69 ) TVA ABTN 293.2 264 S? :37:17.36 ( 0.96 ) ***** 1992 JUNE 7; 09:55 - WAYAH BALD, NORTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920607 095554.9 35.129 83.502 10.0F 3 40 158 0.0 D D/D 99.0 3 4.5 99.0 D 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BBG 39.9 225 eP 09:56:02.00 ( 0.00 ) CERI TKL 63.8 337 eP :00.00 (-5.84X) CERI ETT 89.5 284 eP :10.00 ( 0.00 ) CERI TRYN 115.4 82 eP :14.00 ( 0.00 ) CERI GFM 188.3 54 eP :30.00 ( 4.76X) ***** 1992 JUNE 14; 11:27 - BIG RIDGE PARK, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920614 112739.7 36.135 83.949 13.9 22 12 102 0.1 B A/B 0.2 -28 0.2 0.3 A 2.0 TVA 920614 112739.8 36.137 83.951 13.8 15 12 75 0.1 A A/A 0.3 -76 0.3 0.4 A 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI CRTN 12.1 53 iP 11:27:43.13 ( 0.18 ) iS 11:27:45.08 (-0.21 ) CERI ORT 40.7 232 iPd :47.08 ( 0.03 ) iS :52.43 ( 0.04 ) CERI TKL 55.1 163 iPc :49.28 (-0.05 ) iS :56.24 (-0.10 ) CERI CCVA 57.8 26 eP :49.84 ( 0.09X) CERI ONTN 58.7 311 iP :49.83 (-0.08 ) iS :57.38 ( 0.04 ) CERI FGTN 75.4 64 iPc :52.48 ( 0.03 ) eS :28:01.62 (-0.12 ) CERI BHT 95.3 251 eP :55.46 (-0.07X) CERI BRTN 100.3 75 eP :56.48 ( 0.22 ) S :08.43 ( 0.10 ) CERI ETT 100.7 207 eP- :56.16 (-0.17 ) eS :08.74 ( 0.29X) CERI WSSR 100.8 160 iPc :56.48 ( 0.06 ) CERI RICH 104.6 103 eP :57.66 ( 0.69X) CERI ANTN 115.5 272 eP+ :58.43 (-0.16 ) CERI RBNC 122.6 134 iPc :28:00.06 ( 0.26 ) CERI BBG 140.4 175 eP :02.56 ( 0.08 ) eS :18.96 (-0.13X) CERI GMG 155.6 205 eP :05.00 ( 0.22X) CERI BRBC 156.4 106 iPc :05.42 ( 0.44 ) eS :23.94 ( 0.54X) CERI SLTN 167.8 78 eP :06.98 ( 0.42 ) eS :27.23 ( 1.08X) CERI FDKY 180.7 294 eP :08.93 ( 0.38 ) eS :30.33 ( 0.75X) CERI RCG 180.7 225 eP :08.70 ( 0.13 ) eS :31.78 ( 2.17X) CERI TRYN 181.7 121 iPc :09.40 ( 0.63X) CERI GFM 192.9 90 eP :10.94 ( 0.40X) eS :34.08 ( 1.05X) CERI ABTN 196.7 263 eP+ :11.83 ( 0.82X) iS :34.58 ( 0.74X) CERI PDTN 196.8 241 eP+ :11.33 ( 0.31 ) eS :35.03 ( 1.18X) CERI BENN 216.1 106 eP :14.62 ( 0.59X) eS :40.76 ( 1.69X) CERI LKGA 217.4 220 eP :14.63 ( 0.42X) eS :41.23 ( 1.86X) CERI PKNC 251.6 91 eP :18.70 (-0.35X) CERI PLVA 257.0 76 eP :18.80 (-0.99X) CERI HAKY 259.2 295 P :20.83 ( 0.94X) eS :45.63 (-3.57X) CERI TCT 325.0 269 P :31.93 ( 3.98X) S :29:01.03 (-2.12X) TVA CRTN 12.1 55 iP 11:27:43.13 ( 0.17 ) iS 11:27:45.08 (-0.20 ) TVA ORT 40.7 232 iPd :47.08 ( 0.00 ) iS :52.43 ( 0.01 ) TVA TKL 55.5 163 eP :49.38 (-0.05 ) iS :56.48 ( 0.00 ) TVA CCVA 57.6 26 eP :49.84 ( 0.06 ) TVA ONTN 58.5 311 iP :49.83 (-0.08 ) iS :57.38 ( 0.07 ) TVA FGTN 75.4 64 iPc :52.48 (-0.01 ) eS :28:01.62 (-0.16 ) TVA BHT 95.3 251 eP :55.46 (-0.10 ) TVA BRTN 100.3 76 eP :56.48 ( 0.16 ) S? :08.43 ( 0.03 ) TVA ETT 100.9 207 eP- :56.16 (-0.24X) eS :08.74 ( 0.20X) TVA WSSR 101.1 160 iPc :56.48 (-0.02X) TVA RICH 104.8 103 eP :57.66 ( 0.62 ) TVA ANTN 115.3 272 eP+ :58.43 (-0.18X) TVA RBNC 122.9 134 iPc :28:00.06 ( 0.18X) TVA BBG 140.7 175 eP :02.56 ( 0.00X) eS :18.96 (-0.25X) TVA GMG 155.7 205 eP :05.00 ( 0.16X) TVA BRBC 156.6 106 iPc :05.42 ( 0.37X) eS :23.94 ( 0.43X) TVA SLTN 167.9 78 eP :06.98 ( 0.26X) eS :27.23 ( 0.83X) TVA FDKY 180.4 294 eP :08.93 ( 0.37X) eS :30.33 ( 0.76X) TVA RCG 180.7 225 eP :08.70 ( 0.08X) eS :31.78 ( 2.10X) TVA GFM 193.0 90 eP :10.94 ( 0.33X) eS :34.08 ( 0.96X) TVA ABTN 196.6 262 eP+ :11.83 ( 0.80X) iS :34.58 ( 0.72X) TVA PDTN 196.7 241 eP+ :11.33 ( 0.27X) eS :35.03 ( 1.13X) TVA BENN 216.3 106 eP :14.62 ( 0.51X) eS :40.76 ( 1.58X) TVA LKGA 217.5 220 eP :14.63 ( 0.37X) eS :41.23 ( 1.78X) TVA PKNC 251.7 91 eP :18.70 ( 0.17X) TVA PLVA 257.1 76 eP :18.80 (-0.46X) TVA HAKY 259.0 295 P? :20.83 ( 1.49X) eS :45.63 (-2.60X) TVA TCT 324.8 268 P? :31.93 ( 4.54X) S? :29:01.03 (-1.13X) ***** 1992 JUNE 27; 18:55 - CENTRAL VIRGINIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 920627 185516.1 37.766 78.433 33.5 4 24 180 0.1 D D/D 99.0 84 1.5 4.6 D 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO CVL 24.0 354 iP 18:55:22.50 (-0.14 ) 18:55:27.50 ( 0.11 ) VTSO FRV 62.8 174 iP :27.50 ( 0.15 ) :35.40 (-0.12 ) ***** 1992 JUNE 28; 05:21 - MIDDLESBORO, KENTUCKY ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920628 052145.8 36.672 83.636 14.5 23 47 186 0.2 D C/D 1.1 -6 0.4 3.6 C 2.0 TVA 920628 052145.9 36.657 83.631 13.8 39 46 167 0.4 C C/C 0.5 0 0.3 0.9 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI FGTN 47.4 124 iPc 05:21:54.42 ( 0.27 ) eS 05:22:00.66 ( 0.38X) CERI CRTN 55.5 199 eP- :55.37 (-0.01 ) iS :02.42 ( 0.01 ) CERI ONTN 75.3 254 eP :58.32 (-0.11 ) eS :08.45 ( 0.76 ) CERI BRTN 77.1 117 iPc :58.52 (-0.19 ) eS :08.07 (-0.10 ) CERI ORT 103.7 216 eP :22:02.42 (-0.34 ) eS :15.52 ( 0.34 ) CERI TKL 113.1 186 iPc :04.04 (-0.15 ) iS :17.40 (-0.24 ) CERI SLTN 138.0 100 eP :08.02 ( 0.03 ) eS :24.87 ( 0.66 ) CERI BHT 149.0 233 iPd :09.24 (-0.50 ) eS :28.92 ( 1.67X) CERI ANTN 153.5 249 eP- :09.67 (-0.73 ) eS :28.32 (-0.07 ) CERI WSSR 154.7 178 iPc :10.36 (-0.30 ) eS :29.14 ( 0.30X) CERI RBNC 157.2 158 iPd :10.84 (-0.24 ) eS :29.48 (-0.08X) CERI BRBC 159.5 130 iPd :11.28 (-0.16 ) eS :30.60 ( 0.41X) CERI TQTN 161.5 218 eP :11.42 (-0.18 ) eS :31.52 ( 1.06X) CERI ETT 166.6 207 iPc :12.08 (-0.32 ) eS :33.24 ( 1.38X) CERI GFM 175.4 110 iPc :13.86 (-0.01 ) eS :34.78 ( 0.39X) CERI FDKY 193.3 275 eP :17.42 ( 0.95 ) iS :40.47 ( 1.58X) CERI TRYN 200.0 141 eP :17.60 ( 0.05X) eS :41.32 ( 0.56X) CERI BBG 200.0 185 eS :40.32 (-0.53X) CERI BENN 216.0 124 iP :20.10 ( 0.09X) eS :45.50 ( 0.49X) CERI PLVA 221.3 89 eP :20.54 (-0.31X) eS :44.32 (-2.15X) CERI GMG 221.4 205 eP :21.26 ( 0.41X) eS :47.48 ( 1.01X) CERI PKNC 233.0 107 eP :23.16 ( 0.57X) CERI PDTN 252.8 233 eP :24.82 (-0.29X) eS :54.87 ( 1.03X) CERI HAKY 267.3 281 S :57.92 ( 1.10X) TVA FGTN 46.2 122 iPc 05:21:54.42 ( 0.35 ) eS 05:22:00.66 ( 0.61X) TVA CRTN 54.1 200 eP- :55.37 ( 0.05 ) iS :02.42 ( 0.20 ) TVA ONTN 75.3 255 eP :58.32 (-0.27 ) eS :08.45 ( 0.58 ) TVA BRTN 76.0 116 iPc :58.52 (-0.17 ) eS :08.07 ( 0.02 ) TVA ORT 102.7 216 eP :22:02.42 (-0.34 ) eS :15.52 ( 0.44 ) TVA TKL 111.6 187 iPc :04.04 (-0.07 ) iS :17.40 (-0.03 ) TVA SLTN 137.3 99 eP :08.02 (-0.11 ) eS :24.87 ( 0.49 ) TVA BHT 148.4 233 iPd :09.24 (-0.56 ) eS :28.92 ( 1.65X) TVA WSSR 153.0 178 iPc :10.36 (-0.19 ) eS :29.14 ( 0.57 ) TVA ANTN 153.3 250 eP- :09.67 (-0.86 ) eS :28.32 (-0.22 ) TVA RBNC 155.5 158 iPd :10.84 (-0.13 ) eS :29.48 ( 0.19 ) TVA BRBC 158.1 130 iPd :11.28 (-0.10 ) eS :30.60 ( 0.59 ) TVA TQTN 160.5 218 eP :11.42 (-0.17 ) eS :31.52 ( 1.15X) TVA ETT 165.3 207 iPc :12.08 (-0.28 ) eS :33.24 ( 1.53X) TVA GFM 174.5 110 iPc :13.86 (-0.01 ) eS :34.78 ( 0.47 ) TVA FDKY 193.9 275 eP :17.42 ( 0.71 ) iS :40.47 ( 1.24 ) TVA TRYN 198.4 141 eP :17.60 ( 0.13 ) eS :41.32 ( 0.79 ) TVA BBG 198.5 185 eS :40.32 (-0.29 ) TVA BENN 214.7 124 iP :20.10 ( 0.14 ) eS :45.50 ( 0.65 ) TVA GMG 220.1 206 eP :21.26 ( 0.45 ) eS :47.48 ( 1.17 ) TVA PLVA 220.8 89 eP :20.54 (-0.38 ) eS :44.32 (-2.19X) TVA PKNC 232.1 106 eP :23.16 ( 0.94 ) TVA PDTN 252.2 233 eP :24.82 ( 0.19 ) eS :54.87 ( 1.94X) TVA HAKY 268.1 282 S? :57.92 ( 1.68 ) ***** 1992 JUNE 28; 14:29 - ESTELLE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920628 142910.3 34.742 85.269 9.6 10 23 186 0.1 C B/D 1.0 -44 0.4 1.2 A 1.6 TVA 920628 142910.5 34.751 85.282 7.9 10 22 200 0.1 C B/D 1.4 -49 0.4 1.8 B 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI LKGA 22.8 235 iP 14:29:14.73 ( 0.14 ) iS 14:29:17.63 (-0.10 ) CERI WMTN 62.3 26 eP- :20.98 (-0.02 ) eS :28.78 (-0.04 ) CERI PDTN 79.2 318 eP- :23.83 ( 0.05 ) eS :34.83 ( 1.19X) CERI ETT 98.6 49 eP :26.50 (-0.32 ) eS :39.00 ( 0.11 ) CERI TQTN 99.1 30 P? :27.03 ( 0.16 ) S? :38.78 (-0.20X) CERI MSAL 129.0 276 P? :31.28 (-0.17 ) eS :46.88 (-0.03 ) CERI LAL 192.7 260 eP :42.33 ( 1.12X) eS :30:04.73 ( 0.94X) TVA LKGA 22.5 231 iP 14:29:14.73 ( 0.07 ) iS 14:29:17.63 (-0.07 ) TVA WMTN 61.9 27 eP- :20.98 (-0.15 ) eS :28.78 (-0.11 ) TVA PDTN 77.7 318 eP- :23.83 ( 0.10 ) eS :34.83 ( 1.43X) TVA TQTN 98.8 31 P? :27.03 (-0.11 ) S? :38.78 (-0.52X) TVA MSAL 127.8 275 P? :31.28 (-0.30 ) eS :46.88 (-0.09 ) TVA LAL 191.7 260 eP :42.33 ( 0.95 ) eS :30:04.73 ( 0.81 ) ***** 1992 JULY 2; 03:47 - HOLLYTREE, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920702 034742.7 34.870 86.349 7.7 22 30 171 0.3 C B/C 0.9 -20 0.4 1.4 B 1.9 TVA 920702 034742.7 34.870 86.351 8.2 18 30 134 0.3 C B/C 0.5 -20 0.3 0.8 A 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI MSAL 29.8 265 eP- 03:47:48.32 ( 0.28 ) eS 03:47:51.87 (-0.07 ) CERI PDTN 63.8 45 eP :53.37 (-0.28 ) eS :48:01.52 (-0.12 ) CERI LKGA 84.8 109 eP :58.92 ( 1.78X) eS :07.67 ( 0.00 ) CERI LAL 102.6 242 ePd :59.77 (-0.19 ) eS :11.72 (-0.83 ) CERI WMTN 132.3 71 eP- :48:04.62 ( 0.11 ) eS :20.47 ( 0.05 ) CERI GMG 153.5 90 eS :27.60 ( 1.46 ) CERI PWLA 157.2 275 eS :27.60 ( 0.60 ) CERI TQTN 164.2 64 eS :29.32 ( 0.45 ) CERI TCT 166.8 319 eP- :09.47 (-0.31 ) eS :29.37 (-0.17 ) CERI BHT 167.4 49 eP :12.00 ( 2.08 ) eS :31.50 ( 1.71 ) CERI ANTN 176.4 35 eP- :11.27 (-0.01 ) eS :32.92 ( 0.77 ) CERI ETT 179.9 73 eP :14.80 ( 2.98X) eS :35.10 ( 2.03 ) CERI ORT 218.6 58 S :44.97 ( 1.69X) CERI FDKY 218.8 13 eP :19.07 ( 1.32X) eS :44.37 ( 1.04 ) CERI MOTN 244.0 323 P :21.52 (-0.08 ) eS :50.62 ( 0.62X) CERI ONTN 248.4 43 S :52.07 ( 0.85X) CERI TKL 250.1 69 eP :23.32 ( 0.84X) eS :51.72 ( 0.21 ) CERI WSSR 256.7 79 eS :55.20 ( 2.05X) CERI CRTN 271.1 56 eP :25.67 ( 0.61X) eS :58.17 ( 2.18X) TVA MSAL 29.6 265 eP- 03:47:48.32 ( 0.28 ) eS 03:47:51.87 (-0.05 ) TVA PDTN 64.0 45 eP :53.37 (-0.34 ) eS :48:01.52 (-0.21 ) TVA LKGA 85.0 108 eP :58.92 ( 1.73X) eS :07.67 (-0.08 ) TVA LAL 102.4 242 ePd :59.77 (-0.14 ) eS :11.72 (-0.73 ) TVA WMTN 132.5 71 eP- :48:04.62 ( 0.09 ) eS :20.47 ( 0.02 ) TVA TQTN 164.5 64 eS :29.32 ( 0.42 ) TVA TCT 166.7 319 eP- :09.47 (-0.29 ) eS :29.37 (-0.12 ) TVA ANTN 176.6 35 eP- :11.27 (-0.04 ) eS :32.92 ( 0.75 ) TVA ORT 218.8 58 S? :44.97 ( 1.66X) TVA FDKY 219.0 13 eP :19.07 ( 1.31X) eS :44.37 ( 1.03 ) TVA MOTN 244.0 323 P? :21.52 ( 0.43 ) eS :50.62 ( 1.53X) TVA ONTN 248.6 43 S? :52.07 ( 1.89X) TVA TKL 250.3 69 eP :23.32 ( 1.44X) eS :51.72 ( 1.26 ) TVA CRTN 271.3 56 eP :25.67 ( 1.20 ) eS :58.17 ( 3.23X) ***** 1992 JULY 4; 02:54 - MANCHESTER, KENTUCKY ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920704 025427.8 37.103 83.578 26.7 8 103 273 0.2 D C/D 2.2 -31 1.3 1.1 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 103.0 193 eP 02:54:44.65 (-0.14 ) eS 02:54:56.95 ( 0.06 ) TVA BRTN 104.4 142 eP :45.05 ( 0.04 ) eS :57.20 (-0.07 ) TVA ORT 147.6 206 eS :55:09.15 ( 0.34 ) TVA SLTN 149.3 119 eS :10.00 ( 0.66 ) TVA TKL 161.3 186 eP :53.40 ( 0.29 ) eS :11.50 (-0.31 ) ***** 1992 JULY 4; 16:23 - LUTTRELL, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920704 162318.9 36.161 83.706 16.9 24 13 118 0.2 B B/B 0.6 -28 0.4 1.0 A 2.0 TVA 920704 162318.9 36.160 83.703 16.9 16 13 118 0.2 B B/B 0.4 -32 0.3 0.7 A 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI CRTN 12.9 290 iPd 16:23:22.50 (-0.04 ) iS 16:23:25.25 ( 0.05 ) CERI FGTN 55.0 56 iP :28.78 ( 0.32 ) eS :35.64 ( 0.20X) CERI TKL 56.0 186 iPc :28.60 ( 0.00 ) iS :35.54 (-0.13 ) CERI ORT 60.7 243 iP- :28.90 (-0.42 ) eS :36.75 (-0.17 ) CERI GBTN 71.3 220 iPc :31.26 ( 0.33 ) eS :39.76 ( 0.06 ) CERI ONTN 75.2 299 eP+ :31.50 (-0.05 ) eS :40.85 ( 0.07 ) CERI BRTN 78.4 74 eP :31.55 (-0.49 ) iS :41.40 (-0.24 ) CERI WSSR 98.6 173 eP :35.34 ( 0.14 ) CERI RBNC 110.4 144 eP :37.80 ( 0.76X) eS :49.78 (-0.50X) CERI ETT 114.7 216 iPc :37.98 ( 0.39 ) eS :51.22 (-0.01X) CERI BHT 117.0 253 iP :38.64 ( 0.67 ) CERI BRBC 136.4 110 iPc :41.44 ( 0.39 ) eS :57.60 ( 0.39X) CERI ANTN 137.2 271 iP+ :40.60 (-0.45 ) eS :57.25 ( 0.03 ) CERI SLTN 145.8 77 eP- :41.95 (-0.38 ) eS :59.75 ( 0.33 ) CERI WMTN 153.0 229 eP :44.10 ( 0.66 ) eS :24:00.95 (-0.40 ) CERI GMG 168.5 212 eP :47.64 ( 1.76X) eS :06.88 ( 1.31X) CERI GFM 171.0 91 iP :48.04 ( 1.71X) eS :07.96 ( 1.62X) CERI BENN 196.2 109 iPc :50.68 ( 0.58 ) eS :13.88 ( 1.01X) CERI FDKY 199.7 291 eP- :51.15 ( 0.55X) eS :14.00 ( 0.27X) CERI PDTN 217.5 244 eP :53.05 (-0.26X) eS :19.60 ( 1.17X) CERI LKGA 234.1 224 eS :22.45 (-0.26X) TVA CRTN 13.2 290 iPd 16:23:22.50 (-0.04 ) iS 16:23:25.25 ( 0.03 ) TVA FGTN 54.8 56 iP :28.78 ( 0.37 ) eS :35.64 ( 0.28 ) TVA TKL 56.0 187 iPc :28.60 ( 0.03 ) iS :35.54 (-0.11 ) TVA ORT 60.9 243 iP- :28.90 (-0.42 ) eS :36.75 (-0.19 ) TVA GBTN 71.4 220 iPc :31.26 ( 0.35 ) eS :39.76 ( 0.06 ) TVA ONTN 75.5 298 eP+ :31.50 (-0.06 ) eS :40.85 ( 0.02 ) TVA BRTN 78.2 74 eP :31.55 (-0.43 ) iS :41.40 (-0.15 ) TVA WSSR 98.5 173 eP :35.34 ( 0.20 ) TVA RBNC 110.2 144 eP :37.80 ( 0.82X) eS :49.78 (-0.41 ) TVA ETT 114.8 217 iPc :37.98 ( 0.41X) eS :51.22 ( 0.00X) TVA BHT 117.2 253 iP :38.64 ( 0.66X) TVA BRBC 136.1 110 iPc :41.44 ( 0.46X) eS :57.60 ( 0.49X) TVA ANTN 137.5 271 iP+ :40.60 (-0.47X) eS :57.25 (-0.01X) TVA SLTN 145.6 77 eP- :41.95 (-0.42X) eS :59.75 ( 0.24X) TVA WMTN 153.1 229 eP :44.10 ( 0.67X) eS :24:00.95 (-0.41X) TVA GMG 168.5 212 eP :47.64 ( 1.78X) eS :06.88 ( 1.33X) TVA GFM 170.8 91 iP :48.04 ( 1.78X) eS :07.96 ( 1.71X) TVA BENN 195.9 109 iPc :50.68 ( 0.65X) eS :13.88 ( 1.11X) TVA FDKY 200.0 291 eP- :51.15 ( 0.54X) eS :14.00 ( 0.22X) TVA PDTN 217.7 244 eP :53.05 (-0.07X) eS :19.60 ( 1.49X) TVA LKGA 234.2 224 eS :22.45 ( 0.76X) ***** 1992 JULY 6; 10:09 - VONORE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920706 100941.8 35.505 84.244 13.9 5 28 360 0.1 D D/D 6.9 -32 1.2 4.9 D 0.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI ETT 27.6 224 iP 10:09:47.00 (-0.09 ) iS 10:09:51.00 ( 0.04 ) CERI TKL 45.9 68 eS :56.00 ( 0.12 ) CERI WSSR 65.5 112 eS :10:01.20 (-0.11 ) CERI GMG 81.2 209 eS :05.60 ( 0.20 ) ***** 1992 JULY 9; 01:33 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920709 013356.1 35.556 84.370 16.1 6 19 213 0.0 C A/D 0.2 -51 0.1 0.3 A 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI GBTN 18.9 50 iPd 01:34:00.32 ( 0.01 ) eS 01:34:03.38 (-0.01 ) CERI ETT 26.7 197 iPc :01.38 (-0.01 ) eS :05.26 ( 0.00 ) CERI TKL 55.2 78 eS :12.64 ( 0.00 ) CERI BHT 61.2 302 eS :13.72 (-0.58X) CERI WSSR 78.3 113 eS :18.92 ( 0.00 ) ***** 1992 JULY 13; 08:47 - NEESES, SOUTH CAROLINA ***** GIT Probably a blast. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920713 084739.9 33.491 81.208 1.5 15 49 152 0.1 B A/C 0.5 360 0.5 1.5 2.5 WSRC 920713 084740.8 33.495 81.214 0.1 15 47 85 0.1 B A/C 0.5 360 0.5 0.8 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SRPW 47.1 227 iPu 08:47:48.80 ( 0.23X) S 08:47:54.30 (-0.85X) USC COW 48.8 104 iPd :48.75 (-0.10 ) USC MTT 49.4 306 iPd :49.14 ( 0.01 ) USC VRN 56.3 154 iP+ :50.17 ( 0.00 ) USC SRPD 60.0 232 iPd :50.07 (-0.74X) S :58.70 (-0.41X) USC SGS 73.0 117 iPd :52.83 (-0.09 ) USC MR02 77.9 358 iP+ :53.62 (-0.12 ) USC MR05 86.9 352 iPu :55.11 ( 0.03 ) USC DRC 87.4 119 iPu :55.26 ( 0.04 ) S :48:06.10 (-0.76X) USC JSC 87.8 357 iPu :55.18 (-0.04 ) USC MR10 94.5 353 iPd :56.27 ( 0.03 ) USC MR07 98.3 354 iP+ :57.00 ( 0.16 ) USC CFS 99.4 104 eP- :57.16 ( 0.15X) USC HBF 101.5 126 iP- :57.38 ( 0.08 ) USC SVS 106.6 123 eP :58.41 ( 0.21X) USC TWB 111.0 112 iPd :59.21 ( 0.30 ) S :13.01 (-0.34X) USC WAS 112.8 129 ePu :59.76 ( 0.67 ) S :12.38 (-1.30X) USC RGR 114.6 124 eP+ :59.39 ( 0.03 ) S :13.59 (-0.56X) USC LHS 115.4 19 iPu :59.42 (-0.07X) USC MGS 119.3 123 ePu :48:00.26 ( 0.12 ) USC HWD 120.0 134 eP- :01.13 ( 0.92X) S :15.21 (-0.44X) USC BCS 120.7 118 ePu :00.93 ( 0.42X) S :16.00 (-0.16X) USC PRM 125.5 302 iPd :47:52.83 (-8.23X) USC SMT 227.8 314 eP+ :48:16.04 ( 1.74X) USC JVW 234.4 315 iP :16.74 ( 1.63X) USC CCK 236.3 316 eP- :00.29 (-15.1X) WSRC SRW 47.0 226 P 08:47:48.80 (-0.02 ) S 08:47:55.06 ( 0.03 ) WSRC MTT 48.7 306 P :49.14 ( 0.06 ) WSRC COW 49.5 105 P :48.75 (-0.46 ) WSRC VRN 56.9 153 P :50.17 (-0.24 ) WSRC SRD 59.9 231 P :50.07 (-0.82X) S :58.70 (-0.03 ) WSRC SGS 73.6 117 P :52.83 (-0.26 ) WSRC JSC 87.4 357 P :55.21 (-0.03 ) WSRC CFS 100.0 104 P :57.49 ( 0.28 ) WSRC HBF 102.1 126 P :57.38 (-0.16 ) WSRC SVS 107.3 123 P :58.44 ( 0.09 ) WSRC WAS 109.4 126 P :48:00.70 ( 2.03X) WSRC TWB 111.7 112 P :47:59.75 ( 0.71X) WSRC LHS 115.2 19 P :59.42 (-0.16 ) WSRC RGR 115.2 124 P :59.60 ( 0.01 ) WSRC MGS 120.0 123 P :48:00.07 ( 0.37 ) WSRC BCS 121.3 118 P :00.95 ( 0.41 ) WSRC PRM 124.8 302 P :47:52.83 (-8.26X) WSRC SMT 227.1 315 P :48:16.04 ( 0.24X) WSRC JVW 233.7 316 P :16.74 ( 0.15X) Additional Data: GIT ATL P 08:48:23.8 S 08:48:53.0 GIT DALG P :36.5 S :49:24.5 ***** 1992 JULY 16; 00:58 - COHUTTA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920716 005803.5 34.876 84.915 24.2 7 22 306 0.1 C B/D 1.3 3 0.6 1.8 B 1.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI GMG 22.4 94 iPd 00:58:09.12 ( 0.07 ) eS 00:58:13.04 (-0.06 ) CERI RCG 41.1 286 eS :17.00 (-0.02 ) CERI ETT 65.2 40 eP- :14.72 (-0.09 ) eS :23.16 ( 0.11 ) CERI BBG 100.9 90 eS :32.12 (-0.37 ) CERI WSSR 129.9 70 eS :40.56 ( 0.46 ) ***** 1992 JULY 19; 05:02 - HARRIMAN, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920719 050242.3 35.949 84.502 24.4 14 18 99 0.1 B A/B 0.4 36 0.3 0.8 A 1.2 TVA 920719 050242.4 35.949 84.501 24.5 14 18 99 0.1 B B/B 0.6 30 0.3 1.0 A 1.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI ORT 18.4 104 eP 05:02:47.50 ( 0.11 ) iS 05:02:51.10 ( 0.02 ) CERI GBTN 41.0 140 iPc :50.16 ( 0.02 ) eS :55.82 (-0.01 ) CERI BHT 41.6 254 iPd :50.22 (-0.05 ) eS :55.96 (-0.10 ) CERI ONTN 59.3 5 eP+ :52.65 (-0.13 ) eS :03:00.25 (-0.15 ) CERI ETT 69.3 176 iPd :54.18 (-0.09 ) eS :02.96 (-0.01 ) CERI ANTN 70.2 291 iP :54.60 ( 0.20 ) iS :03.30 ( 0.10 ) CERI TKL 73.3 116 eS :04.32 ( 0.35 ) CERI WMTN 88.7 209 S :07.85 (-0.14 ) TVA ORT 18.3 104 eP 05:02:47.50 ( 0.10 ) iS 05:02:51.10 ( 0.02 ) TVA GBTN 40.9 140 iPc :50.16 ( 0.03 ) eS :55.82 ( 0.02 ) TVA BHT 41.6 254 iPd :50.22 (-0.08 ) eS :55.96 (-0.14 ) TVA ONTN 59.3 5 eP+ :52.65 (-0.15 ) eS :03:00.25 (-0.18 ) TVA ETT 69.2 177 iPd :54.18 (-0.09 ) TVA ANTN 70.3 291 iP :54.60 ( 0.17 ) iS :03.30 ( 0.06 ) TVA TKL 73.2 116 P? :55.20 ( 0.36 ) eS :04.32 ( 0.36 ) TVA WMTN 88.7 209 S? :07.85 (-0.15 ) ***** 1992 AUGUST 1; 09:19 - SODDY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920801 091945.5 35.372 85.212 12.6 5 58 291 0.1 D D/D 15.3 -62 4.8 24.9 D 0.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI BHT 58.0 25 eP 09:19:55.60 ( 0.06 ) eS 09:20:02.90 (-0.01 ) CERI ETT 69.0 94 eP :57.20 (-0.08 ) eS :06.00 ( 0.08 ) CERI GBTN 96.5 70 eS :13.10 (-0.06 ) CERI WSSR 149.0 94 eS :28.10 ( 0.88X) ***** 1992 AUGUST 2; 10:36 - BIRMINGHAM, GEORGIA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920802 103621.0 34.245 84.322 0.7 6 76 360 0.2 D D/D 13.4 26 1.9 22.6 D 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI GMG 75.6 335 eS 10:36:44.00 ( 0.04 ) CERI ETT 120.6 354 eP 10:36:41.50 (-0.10 ) eS :56.20 (-0.44 ) CERI WSSR 133.3 31 eS :37:00.30 ( 0.15 ) CERI GBTN 158.0 4 eS :07.20 ( 0.68 ) CERI BHT 186.6 342 eS :14.40 ( 0.22 ) ***** 1992 AUGUST 3; 11:34 - TUNNEL HILL, GEORGIA ***** GIT Probably a blast. TVA Very likely an earthquake. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920803 113428.2 34.821 85.167 16.2 24 15 122 0.2 B B/B 0.5 -22 0.2 1.2 A 1.4 CERI 920803 113429.1 34.807 85.048 29.1 7 35 319 0.2 D C/D 4.3 -74 1.9 5.3 C 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA DALG 15.5 110 P 11:34:32.20 ( 0.19 ) S 11:34:34.60 (-0.20 ) TVA LKGA 35.5 232 iPd :34.82 ( 0.04 ) iS :39.43 (-0.16 ) TVA GMG 45.7 84 eP :36.70 ( 0.33 ) iS :42.00 (-0.34 ) TVA WMTN 50.6 20 iP :37.12 ( 0.07 ) S? :43.10 (-0.42 ) TVA PDTN 80.0 309 iP :41.67 ( 0.12 ) iS :51.10 (-0.19 ) TVA ETT 85.8 49 eP :42.40 (-0.06 ) eS :52.50 (-0.38 ) TVA TQTN 87.0 27 P? :42.91 ( 0.29 ) eS :52.92 (-0.23 ) TVA BHT 115.7 10 eS :35:02.10 ( 1.28X) TVA GBTN 128.0 43 eP :49.00 ( 0.10 ) eS :04.40 ( 0.39 ) TVA MSAL 137.8 272 P? :53.52 ( 3.13X) eS :06.59 (-0.01 ) TVA ORT 144.0 33 P? :52.56 ( 1.21X) S? :08.62 ( 0.36 ) TVA WSSR 153.6 70 eS :10.80 (-0.16 ) TVA TKL 157.2 53 eS :12.60 ( 0.84 ) TVA CRTN 194.7 38 eP :59.62 ( 0.50 ) eS :23.84 ( 2.14X) TVA ONTN 195.6 19 S? :22.57 ( 0.60 ) TVA LAL 203.5 259 eS :25.21 ( 1.20X) TVA FDKY 225.7 346 eP :35:03.87 ( 0.39 ) S? :29.28 ( 0.04 ) TVA TCT 253.4 302 eS :38.12 ( 3.05X) CERI GMG 35.1 80 eP 11:34:36.70 ( 0.13 ) iS 11:34:42.00 (-0.04 ) CERI ETT 79.0 43 eP :42.40 (-0.21 ) eS :52.50 ( 0.01 ) CERI BHT 115.8 5 eS :35:02.10 ( 0.04 ) CERI GBTN 122.1 38 eP :49.00 (-0.04 ) eS :04.40 ( 0.78 ) CERI WSSR 143.9 68 eS :10.80 ( 1.28X) CERI TKL 149.6 50 eS :12.60 ( 1.75X) Additional Data: GIT DALG P 11:34:32.2 S 11:34:34.6 ***** 1992 AUGUST 5; 03:42 - PHILADELPHIA, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920805 034250.8 35.686 84.396 16.8 5 17 270 0.1 D D/D 4.6 -40 1.4 3.6 C 0.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI GBTN 16.9 97 iPc 03:42:54.82 ( 0.04 ) eS 03:42:57.70 (-0.03 ) CERI ETT 40.2 188 eP :57.92 (-0.14 ) eS :43:03.44 ( 0.04 ) CERI TKL 56.4 93 eS :07.62 ( 0.00 ) ***** 1992 AUGUST 8; 03:51 - DOUGHERTY, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920808 035141.8 34.576 85.431 8.5 10 45 304 0.1 C B/D 0.8 39 0.5 1.1 A 1.9 TVA 920808 035141.9 34.588 85.443 12.9 34 5 177 0.2 C B/C 0.4 6 0.2 0.4 A 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI RCG 44.9 10 iPd 03:51:49.66 ( 0.03 ) eS 03:51:55.32 (-0.03 ) CERI GMG 76.6 65 iPc :54.96 ( 0.07 ) eS :52:04.40 (-0.05 ) CERI ETT 121.9 47 iPd :52:01.78 (-0.19 ) iS :16.90 ( 0.20 ) CERI BHT 147.7 17 eS :24.10 ( 0.51X) CERI BBG 152.0 77 eS :24.20 (-0.60 ) CERI GBTN 164.3 42 eP :08.20 (-0.24 ) CERI WSSR 186.3 65 eP :12.04 ( 0.13X) eS :33.82 (-0.07X) CERI TKL 193.0 51 eP :12.96 ( 0.13 ) iS :35.46 (-0.03 ) CERI RBNC 239.5 68 eS :47.50 (-0.55X) TVA LKGA 4.7 326 iP 03:51:44.43 ( 0.03 ) TVA RCG 43.8 11 iPd :49.66 (-0.06 ) eS 03:51:55.32 (-0.08 ) TVA DALG 44.9 63 P :50.01 ( 0.12 ) S :55.00 (-0.70X) TVA CDG 70.9 88 P :54.00 (-0.02 ) S :52:02.60 (-0.23 ) TVA GMG 77.1 67 iPc :54.96 (-0.07 ) eS :04.40 (-0.19 ) TVA PDTN 84.6 334 iPc :55.98 (-0.13 ) iS :06.53 ( 0.07 ) TVA WMTN 84.9 30 iP :56.23 ( 0.07 ) iS :06.38 (-0.16 ) TVA MSAL 116.3 285 eP :52:00.73 (-0.23 ) eS :14.58 (-0.26 ) TVA ETT 121.9 48 iPd :01.78 (-0.06 ) iS :16.90 ( 0.53 ) TVA TQTN 122.0 32 eP :01.83 ( 0.00 ) eS :16.48 ( 0.13 ) TVA BHT 146.9 18 eS :24.10 ( 1.07X) TVA BBG 152.8 78 eP :09.98 ( 3.32X) eS :24.20 (-0.50 ) TVA ABTN 156.2 337 iP :06.78 (-0.30 ) S? :26.23 ( 0.81X) TVA GBTN 164.1 43 eP :08.86 ( 0.57 ) TVA LAL 174.7 265 eP- :10.78 ( 0.87 ) eS :30.53 ( 0.20 ) TVA ORT 179.5 35 eP :11.53 ( 0.88 ) eS :32.43 ( 0.82 ) TVA WSSR 186.8 65 eP :12.04 ( 0.18 ) eS :33.82 ( 0.12 ) TVA TKL 193.0 52 eP :12.96 ( 0.25 ) iS :35.46 ( 0.28 ) TVA ONTN 228.8 23 eP :18.48 ( 0.50 ) eS :45.50 ( 1.20X) TVA CRTN 230.6 39 eP :19.35 ( 1.17 ) eS :46.73 ( 2.09X) TVA RBNC 240.1 68 eS :47.50 ( 0.56 ) TVA FDKY 246.4 353 eS :49.18 ( 1.25 ) TVA TCT 248.0 310 eP :20.33 ( 0.04 ) S? :49.68 ( 1.40X) Additional Data: GIT CDG P 03:51:54.0 S 03:52:02.6 GIT DALG P :52:50.1 S :55.0 ***** 1992 AUGUST 9; 10:44 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude <1.5. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920809 104426.1 33.013 80.191 8.5 5 7 155 0.0 C A/D 0.1 360 0.1 0.4 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 7.3 227 iPu 10:44:28.38 ( 0.00 ) S 10:44:29.38 (-0.76X) USC RGR 11.7 182 iPu :28.90 ( 0.01 ) S :30.45 (-0.60X) USC BCS 12.3 107 iPu :30.40 ( 1.23X) USC MGS 13.6 160 iPu :29.20 (-0.02 ) S :30.93 (-0.71X) USC TWB 13.9 36 iPd :29.32 ( 0.00 ) S :31.12 (-0.69X) USC HBF 15.1 241 iPd :29.38 ( 0.00 ) S :31.24 (-0.68X) USC DRC 21.2 300 iPu :33.98 ( 3.53X) ***** 1992 AUGUST 12; 04:16 - TELLICO PLAINS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 920812 041653.5 35.292 84.301 22.6 16 15 86 0.1 A A/A 0.3 -43 0.2 0.7 A 0.9 TVA 920812 041653.6 35.291 84.301 22.5 16 15 86 0.1 A A/A 0.4 -31 0.3 0.9 A 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI ETT 14.5 285 iPc 04:16:58.18 ( 0.14 ) iS 04:17:01.28 (-0.04 ) CERI GBTN 42.4 11 iPc :17:01.48 ( 0.07 ) eS :07.06 (-0.09 ) CERI TQTN 45.9 303 S? :07.86 (-0.16 ) CERI GMG 58.3 215 eP :03.86 ( 0.05 ) eS :11.22 (-0.08 ) CERI WMTN 61.3 266 eP :04.75 ( 0.56 ) iS :11.91 (-0.05 ) CERI TKL 62.8 49 iPd :04.34 (-0.07 ) iS :12.32 (-0.02 ) CERI BBG 64.4 136 iPc :04.92 ( 0.18 ) iS :12.78 (-0.13 ) CERI ORT 68.5 360 eS :13.86 ( 0.03 ) CERI CRTN 109.0 22 eS :25.31 ( 0.86X) CERI ONTN 132.6 354 eS :31.16 ( 0.46 ) CERI PDTN 140.9 270 P? :17.91 ( 1.66X) eS :32.86 ( 0.04 ) TVA ETT 14.6 285 iPc 04:16:58.18 ( 0.13 ) iS 04:17:01.28 (-0.06 ) TVA GBTN 42.4 11 iPc :17:01.48 ( 0.05 ) eS :07.06 (-0.12 ) TVA TQTN 46.0 303 S? :07.86 (-0.19 ) TVA GMG 58.3 215 eP :03.86 ( 0.04 ) eS :11.22 (-0.09 ) TVA WMTN 61.4 266 eP :04.75 ( 0.54 ) iS :11.91 (-0.08 ) TVA TKL 62.8 49 iPd :04.34 (-0.07 ) iS :12.32 (-0.02 ) TVA BBG 64.3 136 iPc :04.92 ( 0.18 ) iS :12.78 (-0.12 ) TVA ORT 68.6 360 eS :13.86 ( 0.00 ) TVA CRTN 109.1 22 eS :25.31 ( 0.84X) TVA ONTN 132.7 354 eS :31.16 ( 0.43 ) TVA PDTN 140.9 270 P? :17.91 ( 1.63X) eS :32.86 (-0.02 ) ***** 1992 AUGUST 21; 14:27 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Preshock felt (II) between Middleton Place and Summerville. Magnitude 2.3. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920821 142703.0 32.987 80.162 4.4 10 8 74 0.1 B B/B 0.4 360 0.4 2.2 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 8.3 256 iPu 14:27:04.96 (-0.04 ) S 14:27:05.98 (-0.58X) USC BCS 9.1 95 iPd :05.22 (-0.03 ) USC RGR 9.3 199 eP- :05.15 ( 0.06 ) USC MGS 10.1 169 iPu :05.35 ( 0.08 ) USC TWB 15.2 21 iPd :06.17 (-0.01 ) USC HBF 16.5 255 iPu :06.17 (-0.11 ) S :08.71 (-0.13X) USC WAS 18.6 213 iPd :06.61 (-0.06 ) USC DRC 25.0 302 iPd :08.00 ( 0.15 ) USC CFS 32.3 359 iP- :09.12 ( 0.07 ) S :16.29 ( 2.53X) USC SGS 39.6 305 iP- :10.24 (-0.08 ) USC LHS 175.7 340 iP :30.87 ( 0.24X) ***** 1992 AUGUST 21; 16:31 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (VI) between Middleton Place and Summerville. Magnitude 4.1. A discussion of the effects of this event is provided in Appendix A. NEIC Felt (V) at Charleston, North Charleston and Summerville; (IV) at Eastover and Isle of Palms; (III) at Bonneau, Charleston Air Force Base, Goose Creek, Green Pond, Grover, Huger, Jacksonboro, Jamestown, McClellanville, Pawleys Island, Pinopolis, Ridgeville, Russellville and Turbeville. Standard deviation 0.7 on 16 of 22 observations. WSRC Following the event, personnel from WSRC traveled to the area to assist USC in recording possible aftershock activity. Upon arrival in Summerville area at approximately 8:30 p.m. (EDT) on the night of the event, one Teledyne Geotech PDAS100 (digital event detector) was deployed in the epicentral area on a farm along the banks of the Ashly River. The next morning a second PDAS100 was deployed some 4 km north of the first at the Old Dorchester State Park. The instruments were left for a period of four days. One very small (approximately 3 seconds duration) aftershock was recorded on both PDAS100s. It occurred 9/23/92 at approximately 23:59:16 (UTC). The S-P times from each station are very close (0.70 from PDAS1 and 0.55 for PDAS2) indicating that the location would be nearly halfway between them. No stations within the permanent South Carolina network recorded the aftershock. CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I NEIC 920821 163155.2 33.050 80.116 10.0F 16 9 4.1 4.4 5 USC 920821 163156.1 32.985 80.163 6.5 13 8 73 0.1 B A/B 0.2 360 0.2 0.5 4.1 CSU 920821 163156.1 32.986 80.164 7.3 4.1 6 CERI 920821 163202.8 33.656 80.508 7.5 13 240 305 0.1 D D/D 11.5 -31 1.2 7.9 D 3.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) NEIC BCS 8.9 147 P 16:31:58.00 ( 0.4 ) NEIC MGS 16.7 188 P :58.50 (-0.2 ) NEIC RGRS 17.8 204 P :59.00 ( 0.2 ) NEIC DRC 26.7 284 P :32:01.00 ( 0.8 ) NEIC HBF 27.8 242 iPc :31:59.48 (-1.0 ) NEIC SGS 40.0 293 iPd :32:03.38 ( 0.8 ) NEIC LHS 171.2 338 ePn :22.77 ( 0.1 ) NEIC JSC 172.4 322 ePc :23.30 ( 0.5 ) NEIC PRM 238.0 299 eP :31.20 (-0.2 ) NEIC CEH 329.1 16 ePn :42.98 ( 0.0 ) eSn 16:33:18.40 ( X) NEIC TKL 443.7 312 eP :56.37 (-1.3 ) NEIC BLA 462.6 357 eP :33:00.12 ( 0.0 ) NEIC GBTN 475.9 309 ePn :01.26 (-0.5 ) NEIC NAV 477.0 353 ePn :01.39 (-0.6 ) NEIC PWLA 763.9 288 eP :35.91 (-2.5 X) NEIC LVNJ 984.1 27 eP :34:02.80 (-3.2 X) NEIC FVM 1083.1 303 eP :16.05 (-2.2 X) NEIC RSNY 1364.4 19 eP :49.88 (-3.0 X) eLg :38:25.11 ( X) NEIC JFWS 1408.9 324 Pn? :51.05 (-7.1 X) eS :30.66 ( X) NEIC LNO 1472.3 287 ePn :35:03.40 (-2.3 X) Lg :39.90 ( X) NEIC TUL 1473.4 287 Pn? :05.40 (-0.4 ) Lg :43.70 ( X) NEIC GOL 2374.1 295 P? :36:46.32 ( 1.4 ) USC SVS 8.1 256 iPu 16:31:58.23 ( 0.00 ) USC RGR 9.1 198 iPd :58.38 ( 0.07 ) USC BCS 9.3 94 iPd :58.49 (-0.04 ) USC MGS 10.0 167 iPu :58.58 ( 0.09 ) USC TWB 15.4 22 iPd :59.40 ( 0.00 ) USC HBF 16.3 255 iPd :59.44 ( 0.01 ) USC WAS 18.4 213 iPd :59.81 ( 0.01 ) USC DRC 24.9 303 iPd :32:01.02 ( 0.04 ) USC HWD 29.5 202 iPd :01.66 (-0.04 ) USC CFS 32.5 359 iPd :02.28 ( 0.08 ) USC SGS 39.6 305 iPd :03.41 (-0.02 ) USC COW 66.5 311 iPd :07.61 (-0.07 ) USC VRN 72.7 274 iPd :08.46 (-0.20 ) USC MTT 161.4 302 iPu :22.08 ( 0.19X) USC MR02 166.5 324 iP+ :22.36 (-0.05X) USC LHS 175.7 340 iP+ :23.28 (-0.20X) USC JSC 176.1 325 iP+ :23.41 (-0.12X) USC PRM 237.8 301 eP- :31.21 ( 0.11X) USC MMC 323.1 308 eP+ :42.21 ( 0.66X) USC BG3 339.1 311 iPu :44.20 ( 0.68X) USC BC 347.8 310 eP+ :45.34 ( 0.75X) CERI TRYN 239.6 319 eP 16:32:41.08 (-0.04 ) CERI PKNC 271.7 348 ePc :45.26 (-0.05 ) CERI BRBC 282.7 325 ePd :46.94 ( 0.13 ) CERI RBNC 295.6 310 ePd :48.32 (-0.05 ) CERI GFM 297.1 337 ePc :48.46 (-0.08 ) CERI RICH 328.2 321 eP :52.48 ( 0.23 ) CERI BBG 332.8 295 eP :51.50 (-1.36 ) CERI PLVA 339.2 350 eP :53.60 (-0.04 ) CERI TKL 372.8 307 eP :57.74 ( 0.13 ) CERI FGTN 393.8 322 eP :33:00.62 ( 0.42 ) CERI GMG 406.0 290 eP :59.82 (-1.95X) CERI GBTN 406.1 304 eP :34:01.20 (-0.48 ) CERI ETT 407.1 298 eP :01.20 (-0.63 ) CERI CCVA 435.5 320 eP :07.46 ( 2.16X) CERI RCG 468.8 290 eP :08.02 (-1.35X) CERI BHT 473.4 302 eP :09.84 (-0.13 ) Additional Data: GIT ATL Pn 16:32:50.4 Sn 16:33:29.1 GIT P :58.6 S :44.3 GIT CDG Pn :59.7 Sn :46.0 GIT S :34:04.0 GIT DALG Pn :33:03.8 Sn :33:55.5 GIT S :34:12.5 DGS NED iP 16:35:06.7 DGS BVD iP :07.8 DGS BWD iP :08.1 ***** 1992 AUGUST 21; 17:36 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Felt (I) between Middleton Place and Summerville. Magnitude 1.85. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920821 173633.5 32.988 80.166 5.2 8 8 80 0.1 B B/B 0.4 360 0.4 2.0 0.6 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 8.0 254 iP+ 17:36:35.47 (-0.01 ) USC RGR 9.3 197 iPu :35.63 ( 0.02 ) USC BCS 9.4 95 eP+ :35.77 (-0.05 ) USC MGS 10.2 167 iPd :35.89 ( 0.08 ) USC TWB 15.2 23 iPd :36.70 ( 0.02 ) USC HBF 16.2 254 iPd :36.67 (-0.06 ) USC WAS 18.5 212 iPd :37.06 (-0.09 ) USC DRC 24.7 303 iP- :38.42 ( 0.14 ) ***** 1992 SEPTEMBER 6; 11:15 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Summerville-not felt. Magnitude 1.73. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920906 111551.8 32.945 80.130 5.8 6 5 134 0.0 B A/B 0.4 360 0.4 1.1 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC MGS 5.3 191 iPd 11:15:53.48 ( 0.01 ) USC BCS 7.2 57 ePd :53.87 ( 0.00 ) USC RGR 7.3 236 iPu :53.67 (-0.02 ) USC SVS 11.4 283 iPd :54.38 (-0.01 ) USC WAS 17.1 231 iPd :55.19 (-0.08 ) USC HBF 19.0 271 iPd :55.58 ( 0.03 ) USC TWB 19.0 8 iPd :53.07 (-2.62X) ***** 1992 SEPTEMBER 11; 16:34 - TUSCALOOSA, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920911 163411.7 33.171 87.501 6.5 8 141 317 0.2 D C/D 2.1 74 1.2 3.6 C 3.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 141.2 6 iPc 16:34:34.98 ( 0.01 ) iS 16:34:51.95 ( 0.02 ) TVA MSAL 201.0 22 eP :43.96 (-0.16 ) iS :35:07.77 ( 0.02 ) TVA LKGA 247.3 49 eP :51.06 ( 0.31 ) TVA PDTN 278.5 33 eP :54.85 ( 0.33 ) eS :24.91 (-0.84 ) TVA ABTN 327.1 23 eP :35:02.61 ( 2.14X) TVA MOTN 385.0 354 P? :10.15 ( 2.63X) TVA ANTN 392.5 31 eP :05.57 (-2.93X) eS :51.55 ( 1.62X) TVA ORT 422.3 43 eS :55.81 (-0.37X) TVA HAKY 444.4 11 eP :12.95 (-1.84 ) S? :36:00.87 ( 0.05X) TVA ONTN 461.6 36 P? :20.08 ( 3.13X) TVA CRTN 474.7 44 eP :18.65 ( 0.12X) eS :06.05 (-1.24X) ***** 1992 SEPTEMBER 20; 18:06 - SUMMERVILLE, SOUTH CAROLINA ***** CSU Summerville-not felt. Magnitude 2.1. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 920920 180646.3 32.898 80.810 10.7 7 2 118 0.0 B A/B 0.3 360 0.3 0.3 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC RGR 1.6 309 iPu 18:06:48.32 (-0.01 ) S 18:06:49.11 (-0.84X) USC MGS 3.7 90 iPu :48.48 ( 0.01 ) USC WAS 10.2 236 iPd :49.04 ( 0.00 ) S :51.38 ( 0.16X) USC BCS 14.1 50 iP- :49.65 (-0.08 ) USC HWD 20.1 209 iPd :50.42 (-0.01 ) S :53.20 (-0.49X) USC TWB 25.1 17 iPu :51.30 ( 0.02 ) USC DRC 30.3 320 iPu :52.06 ( 0.00 ) S :56.61 ( 0.02X) ***** 1992 SEPTEMBER 26; 19:16 - OAK RIDGE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 920926 191649.6 35.947 84.403 6.8 22 10 114 0.2 B B/B 0.5 10 0.3 1.0 A 1.5 CERI 920926 191649.7 35.937 84.407 10.8 9 35 273 0.1 C A/D 0.5 19 0.2 0.7 A 2.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ORT 9.8 115 iP 19:16:51.74 (-0.01 ) TVA GBTN 35.6 151 eP+ :55.90 (-0.01 ) iS 19:17:00.54 ( 0.05 ) TVA BHT 50.2 257 eP :58.46 ( 0.12 ) iS :04.74 ( 0.04 ) TVA CRTN 57.9 61 eP :59.55 (-0.05 ) S? :06.50 (-0.38 ) TVA ANTN 78.7 289 eP :17:02.94 (-0.09 ) S? :12.30 (-0.53X) TVA WSSR 105.3 135 eP :07.24 (-0.19 ) eS :20.50 ( 0.07 ) TVA FGTN 121.3 63 eP :09.96 ( 0.15 ) TVA GMG 122.7 191 eP :10.52 ( 0.45 ) eS :24.44 (-0.56 ) TVA BBG 130.6 156 eP :11.28 (-0.02 ) eS :26.36 (-0.77X) TVA RICH 143.0 91 eS :29.92 (-0.44 ) TVA BRTN 145.5 71 eP :14.94 ( 1.42X) eS :31.42 ( 0.46 ) TVA PDTN 150.9 241 eS :33.55 ( 1.21X) TVA ABTN 154.1 268 eP :06.24 (-8.58X) eS :32.74 (-0.48 ) TVA FDKY 156.0 307 eP :15.69 ( 0.58 ) eS :35.29 ( 1.58X) TVA LKGA 176.1 214 eS :40.64 ( 1.56X) TVA BRBC 192.6 96 eS :44.08 ( 0.41 ) TVA SLTN 212.6 74 eP :24.84 ( 0.99 ) eS :49.79 ( 0.95 ) TVA HAKY 234.0 304 eP :27.53 ( 0.62 ) eS :56.49 ( 2.36X) CERI GBTN 34.8 149 eP+ 19:16:55.90 (-0.05 ) iS 19:17:00.54 ( 0.03 ) CERI BHT 49.6 259 eP :58.46 ( 0.06X) iS :04.74 ( 0.00 ) CERI WSSR 104.8 134 eP :17:07.24 ( 0.05 ) eS :20.50 ( 0.54X) CERI GMG 121.5 191 eP :10.52 ( 0.79X) eS :24.44 ( 0.09 ) CERI FGTN 122.2 63 eP :09.96 ( 0.18 ) CERI BBG 129.7 155 eP :11.28 ( 0.27X) eS :26.36 (-0.20 ) CERI RICH 143.3 90 eS :29.92 (-0.18 ) CERI BRBC 192.8 96 eS :44.08 ( 0.70 ) ***** 1992 OCTOBER 2; 08:28 - NEESES, SOUTH CAROLINA ***** CSU Neeses, South Carolina-not felt. Magnitude 2.4. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921002 082801.7 33.499 81.202 3.0 11 41 107 0.1 B A/C 0.6 360 0.6 1.7 2.4 WSRC 921002 082802.5 33.479 81.194 0.3F 6 40 340 0.2 D D/D 25.0 360 25.0 25.0 2.4 CERI 921002 082817.1 34.547 81.330 10.0 4 116 309 0.0 D D/D 99.0 -22 14.7 99.0 D 2.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SRPN 40.6 242 eP 08:28:09.00 (-0.16 ) USC SRPW 48.0 227 eP :10.50 ( 0.05 ) USC SRAV 48.5 247 eP :10.70 ( 0.17 ) USC COW 48.5 106 iP- :10.44 (-0.08 ) S 08:28:15.85 (-1.39X) USC MTT 49.3 304 iPd :10.80 (-0.04 ) S :16.64 (-1.16X) USC VRN 56.8 155 eP :12.10 ( 0.13 ) S :24.80 ( 5.00X) USC SRPD 60.9 231 eP :12.70 ( 0.00 ) USC SGS 72.9 118 eP :14.54 (-0.01 ) S :24.41 ( 0.08X) USC MR02 77.0 358 iP- :15.47 ( 0.22 ) S :24.38 (-1.19X) USC MR05 86.1 352 iP+ :16.97 ( 0.37 ) S :26.80 (-1.14X) USC JSC 87.0 356 iP- :17.03 ( 0.29 ) S :26.94 (-1.24X) USC MR01 92.8 355 ePu :18.25 ( 0.60X) S :28.52 (-1.26X) USC MR10 93.7 352 iP+ :18.84 ( 1.08X) S :28.98 (-1.00X) USC MR07 97.5 353 eP+ :18.89 ( 0.52X) S :30.32 (-0.73X) USC CFS 99.1 104 iP+ :19.39 ( 0.78X) S :31.08 (-0.39X) USC HBF 101.5 127 eP :19.11 ( 0.15X) S :30.71 (-1.38X) USC SVS 106.6 123 eP :20.70 ( 0.85X) S :32.39 (-1.27X) USC LHS 114.4 19 iPu :21.22 ( 0.23X) S :34.51 (-1.15X) USC PRM 125.5 301 iPu :23.14 ( 0.43X) S :37.57 (-1.12X) USC MMC 212.6 312 eP :38.12 ( 4.11X) S :59.88 ( 1.30X) USC SMT 227.6 314 eP :37.41 ( 1.55X) S :29:03.29 ( 1.46X) USC BG3 230.0 316 eP :37.62 ( 1.48X) S :01.00 (-1.34X) USC JVW 234.2 315 eP :38.68 ( 2.02X) S :04.38 ( 1.14X) USC CCK 236.0 316 eP :38.17 ( 1.28X) S :05.15 ( 1.50X) USC BC 238.2 315 eP :40.16 ( 3.00X) S :05.94 ( 1.82X) WSRC SRN 40.3 246 P 08:28:08.80 (-0.50 ) S 08:28:13.70 (-0.91X) WSRC SRW 47.2 229 P :10.50 ( 0.09 ) S :16.50 (-0.08 ) WSRC SRV 48.3 249 P :10.80 ( 0.21 ) S :17.00 ( 0.09 ) WSRC SRD 60.2 234 P :12.70 ( 0.19 ) S :20.80 ( 0.47X) CERI TRYN 115.7 314 iPd 08:28:36.28 ( 0.00 ) eS 08:28:58.08 ( 7.81X) CERI BRBC 158.4 327 eP :42.92 ( 0.01 ) CERI PKNC 167.1 5 eP :44.14 ( 0.00 ) CERI GFM 178.9 346 eP :46.00 (-0.03 ) CERI BBG 230.2 280 eP :47.72 (-6.12X) Additional Data: GIT ATL SLg 08:29:23.0 ***** 1992 OCTOBER 17; 09:58 - CHARLESTON, SOUTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921017 095825.6 32.992 80.185 4.4 6 6 206 0.0 C A/D 0.5 360 0.5 1.4 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 6.4 246 iPd 09:58:27.30 (-0.01 ) S 09:58:28.47 (-0.17X) USC RGR 9.4 185 ePd :27.70 (-0.01 ) USC MGS 11.2 158 eP :28.00 (-0.06 ) USC BCS 11.3 97 eP :28.25 ( 0.03 ) USC HBF 14.6 250 iPd :28.53 (-0.04 ) S :30.61 (-0.26X) USC WAS 18.0 207 eP :29.25 ( 0.08 ) USC DRC 22.9 304 eP :31.10 ( 1.00X) ***** 1992 OCTOBER 20; 02:11 - LA FOLLETTE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921020 021159.6 36.385 84.068 12.5 15 29 160 0.1 C B/C 0.8 26 0.2 0.7 A 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 29.0 135 iP 02:12:05.20 ( 0.15 ) iS 02:12:08.88 (-0.12 ) TVA ONTN 35.3 288 iP :06.04 (-0.03 ) iS :10.78 ( 0.02 ) TVA ORT 56.9 202 eP :09.78 ( 0.26 ) eS :17.80 ( 1.07X) TVA ANTN 107.2 258 eP :17.04 (-0.28 ) iS :30.21 (-0.01 ) TVA BRTN 107.8 91 eP :17.28 (-0.13 ) eS :30.34 (-0.04 ) TVA TQTN 113.2 212 P? :18.58 ( 0.37 ) S? :32.94 ( 1.18X) TVA FDKY 160.9 287 eP :25.62 ( 0.10 ) S? :44.10 (-0.30 ) TVA SLTN 174.8 87 eP :27.60 (-0.13 ) eS :48.98 ( 0.74 ) TVA PDTN 202.8 233 P? :33.06 ( 1.13X) eS :56.48 ( 0.98 ) ***** 1992 OCTOBER 21; 17:44 - LENOIR CITY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921021 174445.6 35.528 84.475 18.4 15 23 193 0.2 C B/D 0.7 -10 0.4 1.2 A 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 22.8 267 iP 17:44:50.60 ( 0.09 ) iS 17:44:54.00 (-0.09 ) TVA ORT 45.1 20 iPc :53.86 ( 0.19 ) eS :59.80 ( 0.23 ) TVA CRTN 94.0 37 ePc :45:01.00 (-0.13 ) eS :45:12.31 (-0.16 ) TVA ANTN 98.9 316 iP :01.58 (-0.31 ) iS :13.89 ( 0.11 ) TVA ONTN 105.9 2 P? :02.72 (-0.24 ) eS :15.24 (-0.39 ) TVA PDTN 128.1 258 eP :06.30 (-0.02 ) S? :21.68 ( 0.23 ) TVA ABTN 153.1 285 eP :10.71 ( 0.54X) iS :28.48 ( 0.38X) TVA BRTN 171.7 57 eP :13.19 ( 0.16 ) eS :32.75 (-0.30 ) TVA FDKY 183.6 320 eP :15.02 ( 0.20X) S? :38.30 ( 2.14X) TVA MSAL 214.1 250 P? :20.25 ( 1.00 ) TVA TCT 283.3 282 P? :28.78 ( 1.06X) eS :59.98 ( 1.51X) ***** 1992 OCTOBER 24; 12:27 - DALTON, GEORGIA ***** GIT Probably a blast. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921024 122758.1 34.720 84.958 9.9 20 29 143 0.2 C B/C 0.6 -13 0.3 1.1 A 1.7 CERI 921024 122759.3 34.976 84.936 1.1F 5 27 165 0.1 D D/D 28.1 16 1.2 37.9 D 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CDG 28.9 114 eP 12:28:03.50 ( 0.12 ) eS 12:28:07.00 (-0.23 ) TVA GMG 30.8 59 eP :03.90 ( 0.17 ) iS :07.78 (-0.05 ) TVA RCG 45.6 309 eP :05.98 (-0.12 ) TVA LKGA 48.3 257 ePc :06.62 ( 0.06 ) eS :12.56 (-0.17 ) TVA TQTN 90.9 13 P? :13.23 (-0.20 ) eS :24.05 (-0.56 ) TVA PDTN 102.0 307 eP :14.98 (-0.16 ) TVA BBG 106.4 80 eS :28.30 (-0.59 ) TVA WSSR 140.4 63 ePc :21.18 ( 0.07 ) eS :37.14 (-0.76 ) TVA ORT 144.8 24 eP :22.08 ( 0.38 ) eS :39.55 ( 0.64 ) TVA MSAL 157.6 276 eS :42.13 (-0.17 ) TVA ANTN 163.0 351 eP :24.95 ( 0.44 ) S? :43.23 (-0.55 ) TVA CRTN 193.0 31 eP :30.03 ( 0.93 ) eS :53.92 ( 2.21X) TVA LAL 220.5 262 eS :59.85 ( 0.88 ) TVA FDKY 241.9 342 eP :38.30 ( 2.25X) eS :29:05.62 ( 1.88X) TVA TCT 275.6 302 eS :13.63 ( 2.77X) CERI GMG 27.4 117 eP 12:28:03.90 (-0.23 ) iS 12:28:07.78 ( 0.09 ) CERI RCG 37.6 270 eP :05.98 ( 0.05 ) CERI BBG 103.5 96 eS :28.30 (-1.84 ) CERI WSSR 128.3 74 ePc :21.18 ( 0.12 ) eS :37.14 ( 0.16X) Additional Data: GIT ATL P 12:28:00.0 GIT CDG P :03.5 S 12:28:07.0 ***** 1992 OCTOBER 25; 14:48 - ETOWAH, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921025 144844.6 35.168 84.436 5.7 23 40 80 0.2 C B/C 0.4 -81 0.3 1.3 A 1.9 CERI 921025 144844.8 35.142 84.415 13.0 8 39 112 0.2 C C/C 1.8 39 0.8 4.2 C 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GMG 40.1 212 ePd 14:48:51.82 ( 0.14 ) eS 14:48:56.86 ( 0.02 ) TVA TQTN 46.8 326 eP :52.95 ( 0.21 ) iS :58.55 (-0.12 ) TVA CDG 65.4 199 eP :55.50 (-0.32 ) eS :49:04.00 ( 0.00 ) TVA BBG 65.7 120 eP :55.90 (-0.03 ) eS :03.40 (-0.79X) TVA WSSR 79.0 81 ePd :58.02 (-0.12 ) eS :07.28 (-0.73X) TVA ORT 83.1 8 P? :49:00.37 ( 1.61X) eS :08.96 (-0.12 ) TVA BHT 88.4 329 eP :48:59.88 ( 0.22 ) eS :11.40 ( 0.77X) TVA LKGA 112.4 238 eP :49:03.40 (-0.12 ) eS :16.80 (-0.51 ) TVA CRTN 126.5 25 eP- :05.70 ( 0.03 ) eS :20.72 (-0.32 ) TVA PDTN 129.3 276 P? :07.10 ( 1.02X) eS :21.55 (-0.19 ) TVA ANTN 132.7 327 eP :06.85 ( 0.23 ) TVA ONTN 145.8 360 P? :08.22 (-0.41 ) eS :25.45 (-0.71 ) TVA BRTN 193.7 47 eS :40.45 ( 1.61X) TVA MSAL 207.4 261 eP :18.00 (-0.03 ) eS :42.95 ( 0.53 ) TVA FDKY 217.7 326 eP :20.40 ( 0.78 ) eS :47.25 ( 2.07X) TVA SLTN 252.6 55 iP+ :25.00 ( 0.55 ) eS :53.80 ( 0.27 ) TVA LAL 277.6 254 eS :50:01.45 ( 2.85X) TVA TCT 297.4 289 P? :33.00 ( 3.21X) eS :05.70 ( 2.93X) CERI GMG 38.8 217 ePd 14:48:51.82 ( 0.03 ) eS 14:48:56.86 (-0.07 ) CERI BBG 62.7 118 eP :55.90 ( 0.24 ) eS :49:03.40 (-0.21 ) CERI WSSR 77.7 79 ePd :58.02 ( 0.06 ) eS :07.28 (-0.32 ) CERI BHT 91.8 329 eP :59.88 (-0.19 ) eS :11.40 ( 0.16 ) Additional Data: GIT CDG P 14:48:55.5 S 14:49:04.0 ***** 1992 OCTOBER 29; 05:24 - JENKINSVILLE, SOUTH CAROLINA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I CERI 921029 052454.4 34.364 81.340 0.6F 8 130 297 0.1 D C/D 6.3 -31 1.2 10.6 D 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CERI TRYN 130.0 321 eP 05:25:16.50 ( 0.00 ) eS 05:25:32.60 (-0.03 ) CERI GFM 198.4 348 eP :27.00 (-0.05 ) eS :51.00 ( 0.12 ) CERI WSSR 228.5 297 eP :31.80 ( 0.18 ) eS :59.70 ( 0.91 ) CERI BBG 233.6 285 eP :32.50 ( 0.10 ) eS :26:00.00 (-0.13 ) ***** 1992 OCTOBER 30; 09:06 - CHARLESTON, SOUTH CAROLINA ***** CSU Summerville-not felt. Magnitude 1.5. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921030 090611.7 32.963 80.179 6.5 5 6 238 0.0 C A/D 0.2 360 0.2 0.3 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC RGR 6.3 193 iPd 09:06:13.49 ( 0.00 ) USC SVS 6.5 276 iPu :13.58 (-0.01 ) USC MGS 8.0 154 iPd :13.77 ( 0.00 ) USC BCS 10.8 80 eP+ :15.28 ( 0.96X) USC HBF 14.5 263 eP- :14.70 ( 0.01 ) USC WAS 15.5 214 iPd :14.88 (-0.01 ) USC TWB 18.3 23 P- :15.38 (-0.06X) ***** 1992 NOVEMBER 1; 22:51 - CHARLESTON, SOUTH CAROLINA ***** CSU Summerville-not felt. Magnitude 1.39. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921101 225157.1 32.962 80.203 3.7 5 4 143 0.0 C A/D 0.0 360 0.0 0.1 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC SVS 4.2 279 iPd 22:51:58.43 (-0.01 ) USC RGR 6.1 172 eP :58.65 ( 0.00 ) USC MGS 9.2 141 eP :58.50 (-0.71X) USC HBF 12.2 262 iPd :59.64 ( 0.00 ) S 22:52:01.54 (-0.06X) USC WAS 14.3 207 eP :52:00.02 (-0.01 ) USC TWB 19.3 29 eP :01.00 ( 0.00 ) ***** 1992 NOVEMBER 4; 05:06 - TALLADEGA, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921104 050636.8 33.450 86.203 2.5 21 147 275 0.3 D C/D 0.9 3 0.6 0.8 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 146.6 27 eP+ 05:07:00.30 ( 0.05 ) eS 05:07:17.04 ( 0.13 ) TVA LAL 151.6 317 iP :06:59.54 (-1.50X) eS :18.47 ( 0.20 ) TVA MSAL 161.0 344 iPd :07:02.29 (-0.25 ) eS :21.01 ( 0.19 ) TVA RCG 186.7 25 eP :07.60 ( 0.95 ) eS :28.00 ( 0.15 ) TVA PDTN 204.9 9 eP :09.22 (-0.35 ) iS :32.97 ( 0.12 ) TVA GMG 211.0 42 iP :11.00 ( 0.45 ) eS :34.00 (-0.53 ) TVA TQTN 266.4 30 eP :18.44 ( 0.89 ) S? :47.25 (-0.49 ) TVA ABTN 270.4 2 eP :18.56 ( 0.50 ) iS :48.63 ( 0.00 ) TVA TCT 309.3 337 eP- :22.47 (-0.38 ) eS :56.49 (-0.62 ) TVA ANTN 314.8 16 eP :23.81 ( 0.25 ) eS :58.21 (-0.16 ) TVA ONTN 372.8 25 eS :08:10.71 (-0.32 ) TVA HAKY 407.2 355 eS :18.61 ( 0.16 ) ***** 1992 NOVEMBER 10; 12:03 - SWEETWATER, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921110 120348.6 35.575 84.508 11.8 32 21 59 0.4 C C/B 0.4 12 0.2 0.7 A 2.4 CERI 921110 120348.8 35.576 84.515 14.7 11 49 103 0.2 C B/C 0.6 25 0.4 81.4 D 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 20.8 252 iP 12:03:52.61 (-0.12 ) TVA ORT 41.4 26 eP :56.28 ( 0.32 ) eS 12:04:00.85 (-0.48 ) TVA BHT 49.7 307 iPd :57.52 ( 0.18 ) eS :03.62 (-0.09 ) TVA TKL 67.1 82 eP :04:00.56 ( 0.39 ) iS :08.48 (-0.12 ) TVA GMG 80.4 191 eP :02.12 (-0.16 ) eS :11.62 (-0.63 ) TVA ANTN 93.0 316 iP :03.88 (-0.28 ) TVA BBG 100.4 141 eP :05.60 ( 0.24 ) eS :17.70 ( 0.12 ) TVA ONTN 100.8 3 eP- :04.96 (-0.39 ) eS :17.24 (-0.33 ) TVA RCG 101.3 229 eP :05.68 ( 0.25 ) eS :17.44 (-0.26 ) TVA PDTN 126.3 255 eP+ :09.60 ( 0.36 ) iS :23.98 (-0.32 ) TVA CCVA 136.9 33 eP :11.84 ( 0.95X) TVA LKGA 137.4 220 eP :11.53 ( 0.57 ) S? :27.28 ( 0.00 ) TVA ABTN 148.9 284 iP :12.83 ( 0.13 ) iS :30.03 (-0.25 ) TVA FGTN 151.9 51 eP :13.76 ( 0.58 ) TVA BRTN 171.5 59 iP :16.55 ( 0.36 ) eS :37.43 ( 1.11X) TVA FDKY 177.7 320 iP- :17.68 ( 0.58 ) eS :40.13 ( 2.24X) TVA MSAL 213.1 248 P? :22.23 (-0.29 ) eS :47.60 ( 0.33 ) TVA SLTN 235.8 65 P? :26.38 ( 0.66 ) S? :52.53 (-0.27 ) TVA HAKY 252.2 313 eP :28.61 ( 1.03 ) S? :58.38 ( 2.36X) TVA TCT 279.3 281 eP+ :31.65 ( 0.75 ) eS :05:05.98 ( 4.21 ) TVA LAL 287.4 245 S? :06.93 ( 3.43X) CERI BHT 49.1 308 iPd 12:03:57.52 ( 0.10 ) eS 12:04:03.62 (-0.13 ) CERI TKL 67.8 82 eP :04:00.56 ( 0.33 ) iS :08.48 (-0.14 ) CERI GMG 80.4 190 eP :02.12 (-0.12 ) eS :11.62 (-0.46 ) CERI BBG 100.9 140 eP :05.60 ( 0.20 ) eS :17.70 ( 0.15 ) CERI RCG 101.0 229 eP :05.68 ( 0.36 ) eS :17.44 ( 0.02 ) CERI CCVA 137.2 34 eP :11.84 ( 0.97X) CERI FGTN 152.4 51 eP :13.76 ( 0.56 ) ***** 1992 NOVEMBER 10; 17:16 - GREENBACK, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921110 171646.8 35.644 84.132 10.2 30 32 74 0.3 C C/C 0.3 -13 0.2 0.6 A 3.0 CERI 921110 171646.8 35.657 84.151 11.5 14 34 96 0.2 C B/C 0.7 -25 0.5 1.7 B 2.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TKL 32.5 87 iP 17:16:53.05 ( 0.41 ) iS 17:16:56.50 (-0.40 ) TVA ORT 33.4 332 iP :53.00 ( 0.21 ) TVA TQTN 55.6 255 iP :56.50 ( 0.08 ) TVA BHT 76.9 287 iPc :59.66 (-0.30 ) eS :17:08.82 (-0.75X) TVA BBG 90.2 161 eP :17:02.18 ( 0.09 ) eS :13.62 ( 0.37X) TVA ONTN 97.1 343 iP :02.55 (-0.53 ) TVA GMG 99.5 210 iPd :03.28 (-0.21 ) eS :15.86 ( 0.19 ) TVA CCVA 114.4 21 eP :05.38 (-0.34 ) eS :19.20 (-0.34 ) TVA ANTN 115.2 301 iP :05.70 (-0.15 ) TVA FGTN 121.7 44 iPc :06.52 (-0.32 ) TVA CDG 124.6 203 eP :07.20 (-0.06 ) eS :22.20 (-0.01 ) TVA RCG 133.1 237 eP :08.94 ( 0.36 ) eS :24.74 ( 0.25 ) TVA BRTN 138.8 55 iP :09.75 ( 0.29 ) TVA PDTN 161.2 256 eP :13.10 ( 0.23 ) eS :32.20 ( 0.30 ) TVA LKGA 166.5 228 eP :13.60 (-0.11 ) iS :33.05 (-0.30 ) TVA BRBC 167.4 86 iPd :14.44 ( 0.47X) eS :34.24 ( 0.43X) TVA TRYN 176.3 103 eP :16.34 ( 1.12X) TVA ABTN 180.8 279 iP :16.20 ( 0.33 ) eS :37.80 ( 0.71 ) TVA FDKY 196.3 311 iP :18.50 ( 0.27 ) TVA SLTN 201.8 63 iP+ :19.70 ( 0.53 ) eS :43.20 ( 0.39X) TVA GFM 216.3 75 iPd :21.94 ( 0.51 ) eS :47.54 ( 0.83X) TVA ATL 245.9 184 eP :26.50 ( 1.32X) eS :55.00 ( 1.80X) TVA HAKY 273.5 307 eP :30.30 ( 1.76X) eS :18:01.90 ( 2.89X) TVA PLVA 290.5 66 eP :30.18 (-0.59 ) TVA TCT 311.7 278 eP :34.20 ( 0.98 ) eS :10.70 ( 3.59X) TVA LAL 321.6 246 eP :36.20 ( 1.76X) eS :10.80 ( 1.57X) TVA MOTN 363.4 288 eP :41.05 ( 1.51X) eS :18.40 ( 0.36 ) CERI TKL 34.1 90 eP 17:16:52.98 ( 0.05 ) eS 17:16:57.36 (-0.07 ) CERI BHT 74.9 287 iPc :59.66 ( 0.09 ) eS :17:08.82 (-0.10 ) CERI BBG 92.2 160 eP :17:02.18 (-0.10 ) eS :13.62 ( 0.01X) CERI GMG 100.0 208 iPd :03.28 (-0.17 ) eS :15.86 ( 0.22X) CERI CCVA 113.6 22 eP :05.38 (-0.10 ) eS :19.20 ( 0.06 ) CERI FGTN 121.8 45 iPc :06.52 (-0.22 ) CERI RCG 132.6 236 eP :08.94 ( 0.56 ) eS :24.74 ( 0.57X) CERI BRBC 169.0 86 iPd :14.44 ( 0.35 ) eS :34.24 ( 0.19X) CERI TRYN 178.2 104 eP :16.34 ( 0.93 ) CERI GFM 217.5 76 iPd :21.94 ( 0.44 ) eS :47.54 ( 0.68 ) CERI PLVA 291.4 67 eP :30.18 (-1.12X) Additional Data: GIT CDG P 17:17:07.2 S 17:17:22.2 GIT ATL P :26.5 S :55.0 ***** 1992 NOVEMBER 12; 13:54 - CHARLESTON, SOUTH CAROLINA ***** CSU Middleton Place-not felt. Magnitude 1.9. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921112 135413.8 32.933 80.138 5.7 7 4 132 0.0 B A/B 0.4 360 0.4 0.6 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC MGS 3.9 184 iPu 13:54:15.25 ( 0.00 ) USC RGR 6.0 242 iPu :15.45 ( 0.01 ) S 13:54:16.21 (-0.56X) USC BCS 8.5 53 iPd :15.98 (-0.01 ) S :18.08 ( 0.33X) USC SVS 11.0 291 eP :16.19 (-0.08 ) USC WAS 15.8 233 iPd :16.98 ( 0.00 ) USC HBF 18.3 275 iP- :17.36 (-0.02 ) USC TWB 20.4 9 iPd :17.88 ( 0.03 ) ***** 1992 NOVEMBER 18; 09:37 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921118 093707.1 36.078 83.793 5.9 7 14 103 0.2 C C/C 1.1 65 0.3 4.0 C 1.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 14.1 342 iP 09:37:10.20 ( 0.35 ) iS 09:37:11.62 (-0.23 ) TVA TKL 46.7 178 iP :15.00 (-0.22 ) iS :21.15 ( 0.02 ) TVA ORT 49.8 248 eP :15.87 ( 0.14 ) eS :22.74 ( 0.72X) TVA ONTN 73.6 308 iS :28.81 (-0.06 ) TVA BRTN 88.8 69 eS :32.00 (-1.21X) TVA ANTN 129.9 275 TVA SLTN 155.7 74 eP :32.18 (-0.51 ) TVA ABTN 209.9 265 S? :38:07.20 ( 1.61X) ***** 1992 NOVEMBER 21; 05:41 - CHARLESTON, SOUTH CAROLINA ***** CSU Middleton Place-not felt. Magnitude 2.0. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I USC 921121 054110.5 32.950 80.003 3.8 5 7 273 0.0 C A/D 0.8 360 0.8 0.6 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) USC BCS 6.7 299 iPd 05:41:12.29 ( 0.00 ) USC MGS 14.1 246 iPd :13.42 ( 0.01 ) USC RGR 18.5 255 iPd :14.10 (-0.01 ) USC TWB 20.5 333 iPd :14.55 ( 0.00 ) USC WAS 27.6 245 iPd :15.45 (-0.25X) USC HWD 35.2 228 iPd :17.70 ( 0.68X) USC DRC 40.0 296 iPu :17.95 ( 0.03 ) ***** 1992 NOVEMBER 24; 02:26 - TOPHET, WEST VIRGINIA ***** CERI For informational purposes only. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I VTSO 921124 022650.7 37.457 80.884 12.3 8 15 147 0.1 C B/C 0.5 -77 0.3 1.1 A 1.2 CERI 921124 022651.3 37.439 80.989 10.3 5 87 339 0.1 D D/D 99.0 17 38.7 99.0 D 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) VTSO HWV 15.3 14 iPu 02:26:54.16 ( 0.02 ) iS 02:26:56.38 (-0.09 ) VTSO NAV 17.6 153 iP :54.53 ( 0.07 ) eS :57.03 ( 0.03 ) VTSO PWV 19.9 227 iP :54.90 ( 0.10 ) iS :57.60 ( 0.02 ) VTSO WMV 39.4 191 iP :57.78 (-0.05 ) eS :27:02.56 (-0.14 ) CERI PLVA 87.1 190 iPc 02:27:06.04 (-0.01 ) eS 02:27:16.84 (-0.01 ) CERI PKNC 155.3 186 eP :16.52 ( 0.08 ) eS :35.98 ( 1.15 ) CERI GFM 164.4 207 eP- :17.94 ( 0.01 ) eS :38.84 ( 1.43X) ***** 1992 DECEMBER 11; 04:39 - LAFAYETTE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921211 043933.3 34.763 85.330 7.4 9 20 166 0.1 C B/C 1.1 -88 0.4 1.8 B 1.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 20.3 220 eP 04:39:37.14 ( 0.03 ) iS 04:39:39.88 (-0.01 ) TVA PDTN 73.9 320 eP :45.89 (-0.02 ) iS :55.10 (-0.01 ) TVA TQTN 100.0 33 S? :40:04.50 ( 2.02X) TVA MSAL 123.3 275 eS :08.54 (-0.12 ) TVA ABTN 143.3 331 eP :57.15 ( 0.34 ) eS :14.50 ( 0.54 ) TVA ORT 157.6 36 S? :19.52 ( 1.75X) TVA TKL 173.0 55 eS :21.28 (-0.54 ) TVA LAL 187.7 259 eS :26.36 ( 0.64 ) ***** 1992 DECEMBER 12; 06:53 - JACKSON, SOUTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I WSRC 921212 065331.3 33.295 81.837 10.7 7 19 294 0.1 C B/D 1.2 360 1.2 1.3 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WSRC SRV 15.0 77 P 06:53:34.31 (-0.05 ) S 06:53:36.77 ( 0.01 ) WSRC SRD 19.4 143 P :34.99 ( 0.03 ) WSRC SRN 23.4 81 P :35.59 ( 0.05 ) S :38.95 ( 0.09 ) WSRC SRW 26.2 113 P :35.91 (-0.04 ) S :39.47 (-0.11 ) ***** 1992 DECEMBER 14; 08:55 - JASPER, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921214 085502.0 35.122 85.548 7.4 9 32 129 0.1 C B/C 1.0 7 0.3 1.7 B 1.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA PDTN 32.2 302 eP 08:55:07.65 (-0.07 ) eS 08:55:11.95 ( 0.05 ) TVA WMTN 54.2 75 P? :11.40 ( 0.04 ) iS :18.15 (-0.04 ) TVA LKGA 55.7 173 S? :18.75 ( 0.10 ) TVA TQTN 86.6 59 S? :27.77 ( 0.33 ) TVA ABTN 98.9 329 eP :19.04 ( 0.34 ) eS :30.51 (-0.39 ) TVA ANTN 120.0 14 iS :36.60 ( 0.07 ) ***** 1992 DECEMBER 18; 02:44 - ATHENS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921218 024455.4 35.357 84.683 20.3 6 18 258 0.1 D C/D 1.6 -53 0.4 1.5 B 0.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 18.1 348 iP 02:45:00.00 ( 0.07 ) iS 02:45:03.19 (-0.04 ) TVA WMTN 29.0 245 iP :01.20 (-0.07 ) iS :05.61 ( 0.04 ) TVA PDTN 106.5 265 eS :25.53 (-0.04 ) TVA ABTN 141.9 295 eS :34.95 ( 0.01 ) ***** 1992 DECEMBER 25; 18:33 - HILLSVILLE, VIRGINIA ***** VTSO Felt (II) in Hillsville, Virginia. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921225 183313.6 36.776 80.718 3.3 25 41 135 0.4 C C/C 0.3 -44 0.2 0.8 A 2.5 VTSO 921225 183313.9 36.769 80.731 6.5 17 40 143 0.2 C C/C 1.0 -35 0.6 3.3 C 2.2 2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA PLVA 41.4 253 iPd 18:33:21.00 (-0.01 ) TVA WMV 43.3 329 eP :21.36 ( 0.05 ) eS 18:33:26.74 (-0.24 ) TVA BLA 55.1 29 eP :23.59 ( 0.36 ) eS :29.95 (-0.34 ) TVA NAV 60.5 354 eP :24.21 ( 0.09 ) eS :31.83 ( 0.00 ) TVA PWV 68.7 335 eP :26.06 ( 0.56 ) eS :33.59 (-0.62 ) TVA VWV 81.9 21 eP :28.15 ( 0.46 ) eS :37.93 (-0.07 ) TVA SLTN 130.8 254 eP :35.15 (-0.41 ) eS :52.35 ( 0.73 ) TVA FRV 215.2 77 eP :48.96 ( 0.57 ) eS :34:13.29 (-0.52 ) TVA TRYN 216.8 220 eP- :48.20 (-0.49 ) eS :13.90 (-0.43 ) TVA CVL 240.5 56 eP :51.79 (-0.29 ) eS :20.74 ( 0.53 ) TVA NA12 284.8 61 eP :34:00.41 ( 2.91X) eS :32.48 ( 2.91X) TVA PBV 285.0 84 eS :28.21 (-1.38 ) TVA ORT 336.0 254 eP :01.85 (-1.94X) eS :40.55 ( 0.09 ) TVA WMTN 419.4 247 eP :12.45 (-1.52 ) iS :58.95 ( 0.87 ) TVA ABTN 494.0 260 eP :23.65 ( 0.56 ) eS :35:16.15 ( 2.29 ) VTSO PLVA 40.0 254 iPd 18:33:21.00 ( 0.06 ) VTSO WMV 43.3 331 eP :21.36 (-0.11 ) eS 18:33:26.74 ( 0.12 ) VTSO BLA 56.4 29 eP :23.59 ( 0.00 ) eS :29.95 (-0.35 ) VTSO NAV 61.0 355 eP :24.21 (-0.13 ) eS :31.83 ( 0.23 ) VTSO PWV 68.9 336 eP :26.06 ( 0.39 ) eS :33.59 (-0.28 ) VTSO VWV 83.0 21 eP :28.15 ( 0.12 ) eS :37.93 ( 0.03 ) VTSO SLTN 129.5 254 eP :35.15 (-0.24 ) eS :52.35 ( 1.90X) VTSO FRV 216.6 76 eP :48.96 ( 0.33 ) eS :34:13.29 ( 0.31 ) VTSO TRYN 218.5 220 eP- :48.20 (-0.79 ) eS :13.90 ( 0.33 ) VTSO CVL 241.9 56 eP :51.79 (-0.72 ) eS :20.74 ( 1.16X) VTSO NA12 286.2 61 eP :34:00.41 ( 2.25X) eS :32.48 ( 3.11X) VTSO PBV 286.2 84 eS :28.21 (-1.14X) VTSO ORT 334.7 255 eP :01.85 (-2.27X) eS :40.55 ( 1.00X) VTSO WMTN 418.0 247 eP :12.45 (-1.85X) iS :58.95 ( 1.99X) VTSO ABTN 492.7 260 eP :23.65 ( 0.22X) eS :35:16.15 ( 3.58X) ***** 1992 DECEMBER 30; 08:28 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 921230 082824.9 35.560 84.393 10.8 9 31 158 0.4 C C/C 0.5 -36 0.3 1.2 A 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 30.6 261 eP 08:28:30.79 ( 0.35 ) iS 08:28:34.49 (-0.01 ) TVA ORT 39.6 12 iP- :32.39 ( 0.49 ) iS :36.94 (-0.09 ) TVA TKL 57.1 79 iS :41.89 (-0.10 ) TVA WMTN 63.0 237 iS :43.59 (-0.08 ) TVA CRTN 86.8 35 P? :41.24 ( 1.70X) TVA ANTN 101.7 312 eP :41.29 (-0.54X) S? :54.84 ( 0.64 ) TVA ABTN 159.4 284 eP :52.67 ( 2.02 ) iS :29:08.99 (-0.47 ) TVA FDKY 185.8 318 eS :18.95 ( 2.51X) SEISMIC STATION LISTING AND NETWORK MAPS Stations operating in the SEUSSN during the report period are listed below. Changes to the network (new stations, stations that have been closed, etc.) may be found at the end of this listing. A list of operator code definitions may be found in the section entitled DEFINITIONS AND NETWORK OPERATOR CODES. Bulletin 11 contained a complete Station Information Appendix that gave detailed information on the operators, type of seismographs, response characteristics, recording formats, etc. Subsequent bulletins have presented only changes in the network. After the station listing is a plot of those stations, followed by maps of individual networks (with station identification codes) operated by major member agencies or groups of the SEUSSN. Sta. Lat. N Lon. W Elev. Dates Current Code (Dg-Min) (Dg-Min) (M) Open-Close Operator Locality ABTN 35-53.13 86-06.54 363 8409- TVA Auburntown, TN AMG 32-03.56 84-13.06 122 7309- GSW Americus, GA ANTN 36-10.30 85-13.88 612 8305- TVA Anderson, TN ATL 33-26.00 84-20.25 272 6306- GIT Atlanta, GA BAV 37-13.32 80-25.50 622 7309- VTSO Blacksburg, VA BBG 34-52.44 83-48.66 1355 8201- CERI Brasstown Bald, GA BC 35-01.06 83-01.88 860 8701- DPC Bad Creek Res., SC BCS 32-58.78 80-03.92 9 8701- CSU -USGS Charleston Southern Univ., SC BENN 35-33.90 81-39.66 878 8201- CERI Benn Knob, NC BG3 34-59.58 82-55.90 366 - DPC Lake Jocassee, SC BHT 35-50.82 84-56.70 826 8110- CERI Blowhole, TN BLA 37-12.68 80-25.21 634 6209- VTSO Blacksburg, VA BRBC 35-44.34 82-17.16 1976 8205- CERI Mt. Mitchell, NC BRTN 36-21.40 82-52.07 630 8606- TVA Brown Mtn., TN BVD 39-46.49 75-29.96 58 8502- DGS Bellevue State Park, DE BWD 39-47.96 75-34.60 63 8502- DGS Brandywine State Park, DE CBN 38-12.30 77-22.40 70 71 - USGS Corbin, VA CCK 35-01.37 82-59.49 701 9201- USC Bad Creek Res., SC CCVA 36-36.18 83-40.02 571 8211- CERI Cudjo Cave, VA CDG 34-36.65 84-40.00 332 - GIT Carters Dam, GA CEH 35-53.45 79-05.57 152 7508- UNC Chapel Hill, NC CFS 33-16.68 80-10.22 26 8805- USC -USGS Crossfire Tower, SC CNV 38-12.30 77-22.40 70 7807- VTSO Corbin, VA COW 33-22.90 80-41.96 60 7710- USC Cow Castle Creek, SC CRTN 36-11.99 83-50.44 488 8408- TVA Comb Ridge, TN CVL 37-58.88 78-27.65 167 7807- VTSO Charlottesville, VA CVV 37-58.88 78-27.65 167 7404- VDMR Charlottesville, VA DALG 34-46.43 85-00.47 329 9103- GIT Dalton, GA DRC 33-06.45 80-23.30 20 8303- CSU -USGS Dorchester, SC ETT 35-19.56 84-27.30 588 8111- CERI Etowah, TN FDKY 36-47.40 85-47.65 306 8703- TVA Freedom, KY FGTN 36-26.02 83-11.72 509 9112- CERI TN FRV 37-12.18 78-21.56 216 7812- VTSO Farmville, VA GAI 29-38.75 82-20.36 51 7711- UFL Gainesville, FL GBTN 35-39.96 84-12.66 326 8303- CERI Greenback, TN GBV 38-25.93 79-50.72 802 7711- NASA Green Bank, WV GFM 36-06.66 81-48.42 1726 8205- CERI Grandfather Mtn., NC GHV 37-47.65 78-06.44 107 7810- VTSO Goochland, VA GLT 36-21.72 86-29.88 159 8111- CERI-VCSS Gallatin, TN GMG 34-50.16 84-40.20 1097 8509- CERI Grassy Mtn., GA HAKY 37-06.34 86-35.10 169 8706- TVA Hadley, KY HBF 32-56.85 80-19.96 10 7303- USC Harts Bluff, SC HPKT 35-55.56 83-52.74 305 8003- GIT -TVA Knoxville, TN HWD 32-44.33 80-17.01 9 8303- CSU -USGS Hollywood, SC HWV 37-35.43 80-50.45 521 7804- VTSO Hinton, WV JSC 34-16.90 81-15.62 120 7405- USC Jenkinsville, SC JVW 34-59.54 82-59.86 554 9111- USC Bad Creek Res., SC LAL 34-26.20 87-20.23 320 8903- TVA Leola, Alabama LEX 37-47.36 79-26.50 311 7105- WAL Lexington, VA LHS 34-28.57 80-48.37 120 7405- USC Liberty Hill, SC LKGA 34-37.40 85-28.33 655 8512- TVA Lookout Mtn., GA MGS 32-53.87 80-08.46 9 7603- CSU -USC Middleton Gardens, SC MMC 34-46.79 82-54.91 280 8707- DPC Morgan Memorial Church, SC MOTN 36-37.08 87-59.20 177 8308- TVA Model, TN MRG 39-37.98 79-57.26 281 7511- WVU Morgantown, WV MR01 34-19.91 81-17.74 131 7711- USC -SCEG Monticello Res., SC MR02 34-11.58 81-13.81 84 7711- USC -SCEG Monticello Res., SC MR05 34-16.05 81-20.05 103 7807- USC -SCEG Monticello Res., SC MR07 34-22.32 81-19.50 134 7807- USC -SCEG Monticello Res., SC MR10 34-20.18 81-20.25 137 7807- USC -SCEG Monticello Res., SC MSAL 34-50.80 86-40.41 260 8307- TVA Monte Sano, AL MTT 33-45.02 81-38.40 182 7608- USC Monetta, SC NAV 37-18.94 80-47.61 610 7710- VTSO Narrows, VA NA2 38-07.62 77-44.82 82 7810- VTSO North Anna, VA NA5 38-00.65 77-44.19 76 7808- VTSO North Anna, VA NA12 37-58.98 77-52.77 125 7808- VTSO North Anna, VA NED 39-42.25 75-42.49 47 7211- DGS Newark, DE ONTN 36-28.89 84-26.60 635 8402- TVA Oneida, TN ORT 35-54.57 84-18.29 370 75 - TVA Oak Ridge, TN PBV 36-58.94 77-31.87 49 7811- VTSO Petersburg, VA PDTN 35-16.40 85-50.97 335 8509- TVA Piedmont, TN PKNC 36-02.76 81-09.48 785 8211- CERI Pores Knob, NC PLVA 36-39.98 81-09.63 1353 8211- CERI Point Lookout, VA PRM 34-04.98 82-21.78 254 7507- USC Parsons Mtn., SC PWLA 34-58.80 88-03.84 204 8005- CERI- SLU Pickwick Lake, AL PWV 37-20.09 81-02.93 820 7803- VTSO Princeton, WV RBNC 35-21.42 82-59.16 1829 8205- CERI Richland Balsam, NC RCG 34-58.50 85-20.88 468 8110- CERI Rock City, GA RGR 32-54.45 80-11.65 -52 8606- CSU -USGS (Roger Stewart) SC RICH 35-55.20 82-49.20 967 8306- CERI Rich Mtn., NC SGS 33-11.55 80-30.57 25 7303- USC St. George, SC SLTN 36-26.59 82-07.23 1280 8401- TVA Sullivan, TN SMT 34-55.85 82-58.26 498 7704- USC Smeltzer Mtn. (Jocassee), SC SRAV 33-19.50 81-40.80 - WSRC Savannah River Lab, SC SRPD 33-09.30 81-42.75 31 7608- WSRC Savannah River Lab, SC SRPN 33-19.74 81-35.33 95 7608- WSRC Savannah River Lab, SC SRPW 33-12.14 81-34.69 77 7608- WSRC Savannah River Lab, SC SVS 32-58.10 80-14.89 3 7603- USC Slandsville, SC TCT 36-00.32 87-33.17 245 8803- TVA Tennessee City, TN TKL 35-39.48 83-46.44 350 78 - CERI-TVA Tuckaleechee Caverns, TN TQTN 35-30.96 84-43.55 260 8607- TVA Tranquillity, TN TRYN 35-14.76 82-16.02 915 8303- CERI Tryon Peak, NC TWB 33-06.88 80-06.18 9 8803- CSU -USC Tillman's/White's Bay, SC VBV 36-47.12 76-06.48 5 7705- TCC Virginia Beach, VA VRN 33-02.19 80-56.39 30 7912- USC Varneville, SC VWV 37-27.96 80-23.50 963 8207- VTSO VA-WV Border WAS 32-50.81 80-16.30 9 8303- CSU -USGS West Ashley, SC WMTN 35-14.88 84-58.39 378 8507- TVA White Oak Mtn., TN WMV 37-06.51 80-58.23 1157 8210- VTSO Walker Mtn., VA WSSR 35-16.68 83-34.68 1340 8510- CERI Wesser Bald, NC CHANGES TO THE SEUSSN STATION LISTING Station Code Operator Locality Change CCK USC Bad Creek Res., SC Opened January 1992 FIGURE 10. Seismic Stations (Triangles) Operating in the SEUSSN from January through December 1991. The SEUSSN monitoring area is outlined. FIGURE 11. Georgia Tech - Geological Survey Of Alabama Seismic Network. FIGURE 12. South Carolina Seismic Network. FIGURE 13. Center for Earthquake Research and Information - Southern Appalachian Regional Seismic Network. FIGURE 14. Tennessee Valley Authority Seismic Network. FIGURE 15. Virginia Tech Seismic Network. AN INTRODUCTION TO ACCESSING NEAR REAL-TIME DIGITAL WAVEFORM DATA AND OTHER INFORMATION AT THE VIRGINIA TECH SEISMOLOGICAL OBSERVATORY Date: 12 July 1993 Node: vtso.geol.vt.edu (128.173.4.254) File: -/sacsn/README.1st OVERVIEW: Waveform data currently available, via anonymous ftp, from Internet node vtso.geol.vt.edu include event data from the Virginia Tech Seismic Network and from the GSETT-2 short-period and broadband instruments located at BLA (Blacksburg, Virginia). Network data files consist of 32 channels, digitized at 100 sps, brought into Blacksburg, from 14 sites in Virginia and West Virginia. (This acquisition system is currently being upgraded from its current 40 dB of dynamic range to a system with over 100 dB of dynamic range.) The GSETT-2 data consist of six channels recorded on a 24 bit digitizer. The three short-period channels are sampled at 40 sps; the three broadband channels are sampled at 10 sps. Both systems are calibrated and the waveform data are available in a variety of formats (e.g., CSS, SAC, or ASCII). A description of the organization of various data files and how to obtain more information on accessing the data are discussed below. NEAR-REAL-TIME WAVEFORM DATA: Every 20 minutes, triggered event waveform data files from the Virginia Tech Seismic Network are transferred from a digital acquisition system to an anonymous ftp account on vtso.geol.vt.edu. Given processing time, the longest delay expected between the recording of an event and its availability via anonymous ftp is 30 minutes. These data are raw triggers and anyone interested in working with these data needs to know more about format, etc., than is given here (see GETTING MORE INFORMATION, below). SELECTED PROCESSED WAVEFORM DATA: For events of particular interest (i.e., well recorded local, regional, or teleseismic earthquakes), processed waveform data sets from the network and/or the GSETT-2 data will be put in subdirectories on the vtso.geol.vt.edu anonymous ftp account. Waveform data from the network will have the timing and digitizing rates double-checked against a satellite time code channel, and the traces will all be corrected to the Virginia Tech standard instrument response. OTHER INFORMATION AVAILABLE: Other data/information available on vtso.geol.vt.edu include: o channel information such as station locations, instrument responses (in both pole-zero and frequency-amplitude-phase formats), station calibration histories, etc. o FORTRAN programs for the conversion of waveform data to different formats (e.g., SUDS to SAC, SAC to CSS and back). o Southeastern U. S. Seismic Network (SEUSSN) Bulletins. o SEUSSN earthquake catalogs for July 1977 through the current Bulletin. GETTING MORE INFORMATION: For more information regarding accessing waveform data files and other information at the Virginia Tech Seismological Observatory, you will need to download the file -/sacsn/README.sacsn. This file can be copied to your local machine, via anonymous ftp, from the node vtso.geol.vt.edu (NOTE: vtso.geol.vt.edu is a Sun Sparcstation running UNIX and, therefore, upper and lower case letters are not the same!). Here is a brief description of how to obtain a copy of -/sacsn/README.sacsn. From your machine enter: ftp vtso.geol.vt.edu (or ftp 128.173.4.254) Different versions of ftp have slightly different conventions for logging onto a remote machine. Once you have connected to vtso.geol.vt.edu, and depending on your home machine, you may be prompted in one of the following ways. If prompted by an 'identify yourself' style of prompt (e.g., USER>) enter: ftp If prompted by VTSO.GEOL.VT.EDU> then enter: log ftp You should receive an announcement that anonymous ftp logons are okay. When prompted for a password, please enter your electronic mail address. Once on, you will be in the top ftp directory. Entering: dir will show all the files and subdirectories. Entering: cd sacsn will move you to the sacsn subdirectory. From a listing of those files and subdirectories, you should see two files with the filenames README.1st and README.sacsn. The first is a copy of this write-up and the second is a more extensive description of accessing data at the Virginia Tech Seismological Observatory (e.g., README.sacsn contains descriptions of the sacsn subdirectory structure, how to download instrument response files, a brief ftp tutorial, etc.). To download copies of these files enter: mget README.* Depending on your home machine, you may be prompted whether or not you want each of the files to be transferred. To disconnect from vtso.geol.vt.edu and return to your home machine enter: quit For further information or if you have problems, contact: Matthew Sibol, email: sibol@vtso.geol.vt.edu phone: (703) 231-4707 or Arthur Snoke, email: snoke@vtso.geol.vt.edu phone: (703) 231-6028 DEFINITIONS AND NETWORK OPERATOR CODES Below are some entries in this Bulletin that might require definition. Also given is a detailed listing of agencies or groups (and their letter codes) that supply information to this Bulletin. AZM: Azimuthal angle from epicenter to station as measured from north (in deg), DEP: Focal depth estimate (in km); FXD indicates that the depth was held fixed during the epicentral determination, DIST(KM) Epicentral distance (in km) between the epicenter and a station, ERROR ELLIPSE: Semi-axes, expressed as lengths (km) and azimuths (deg), of the vertical projection of the error ellipsoid (Lahr, 1980). Horizontal axes are expressed as the semi-major axis (ERHMAX), it's azimuth (AZ), and the semi-minor axis (ERHMIN). The vertical axis (ERZ) is the largest vertical deviation of the error ellipsoid from the hypocenter. A quality measure (Q) for the ellipsoid based on the length of the largest semi-axis (ERHMAX, ERHMIN, or ERZ) may also be supplied. For this Bulletin the following statistics apply for error estimates: CERI, TVA, and VTSO: Error ellipse projected semi-axes from HYPOELLIPSE corresponding to a chi-square statistic (68%) with one degree of freedom, GIT: Error ellipse projected semi-axes from LOCA, and USC: Standard error estimates from HYPO71. NEIC and USGS: Unknown, GAP: The largest azimuthal separation (in deg) between recording stations, HYPOELLIPSE: Computer hypocenter location program (Lahr, 1980), HYPO71: Computer hypocenter location program (Lee and Lahr, 1974), LOCA: Computer hypocenter location program developed at the Georgia Institute of Technology, MBN or mb(Lg): Body wave magnitude determination using Nuttli's formulas for the Lg phase (Nuttli, 1973), MDB, MDL, MD: Duration/coda length magnitude that approximates either the mb, ML, or an unknown magnitude scale, respectively. As of June 1986 (SEUSSN Bulletin 17), those using a duration magnitude approximating mb(Lg) are CERI, DGS, GIT, TVA and VTSO. Specifically: CERI: MDB = -2.36 + 2.23 Log(D) + 0.12 Log(K) (MDB > 2.6) MDB = -3.38 + 2.74 Log(D) (MDB < 2.7) VTSO, TVA, and GIT: MDB = -3.45 + 2.85 Log(D) where D is signal duration measured from the P-wave arrival time to the time when the signal returns to background noise, and K is the epicentral distance in kilometers. Those using a duration magnitude approximating ML are USC and USGS. Specifically: USGS: MDL = -0.87 + 2.0 Log(D) + 0.0035 X where D is signal duration measured from the P-wave arrival time to the time when the signal returns to twice background noise, and X is the epicentral distance in kilometers. For more information please see SEUSSN Bulletin 17 (page 1) or contact the agency making the estimate for details on their specific procedure, ML: Local magnitude; contact the agency or group making the estimate for details on their specific procedure, NO: Number of P, S, and S-P readings used in locating the event, PHASE: Phase descriptions for either P or S waves, or S-P times. Included under this heading may also be the descriptors; 'i' for an impulsive arrival or 'e' for an emergent arrival. Preliminary first motions may also be given for P wave polarities. These include; 'u', 'c', or '+' for a compressional first arrival, and 'd' or '-' for a dilatational first arrival. '?' indicates that the arrival time is questionable. Q: Solution quality of the hypocenter (the average of the SQD quality measures, see below; Lee and Lahr, 1974), RES: Arrival time residual (the difference between the observed and the calculated arrival time, in seconds). An "X" following the value of the arrival time residual means that the arrival time was not used to compute the location of that event, RMS: Root-mean-square of the weighted arrival time residuals (in sec), S-P: Difference between the S and P wave arrival times (in sec), SQD: Measures of the statistical quality of the solution (S), and of the distribution of stations (D) around the hypocenter (Lee and Lahr, 1974), *XXXX: Code indicating the agency or group that made the hypocentral/magnitude determination; a listing of agencies and groups that operate seismographs in the SEUSSN and/or who supply information to this BULLETIN follows. OPERATOR CODES CERI - Center for Earthquake Research and Information, TN (formerly Tennessee Earthquake Information Center, TEIC, changed 1 July 1987) CPL - Carolina Power and Light Company, NC CSU - Charleston Southern University, SC (formerly BCC, Baptist College at Charleston, SC, changed 1991) DGS - Delaware Geological Survey, DE DPC - Duke Power Company, SC GIT - Georgia Institute of Technology, GA GSA - Geological Survey of Alabama, AL GSW - Georgia Southwestern College, GA NASA - National Aeronautics and Space Administration/ Goddard Space Flight Center, WV NEIC - National Earthquake Information Center, USGS, CO SCEG - South Carolina Electric and Gas Company, SC SLU - St. Louis University, MO TCC - Tidewater Community College, VA TVA - Tennessee Valley Authority, TN UFL - University of Florida, FL UNC - University of North Carolina, NC USC - University of South Carolina, SC USGS - United States Geological Survey, CO UTM - University of Tennessee at Martin, TN VDMR - Virginia Division of Mineral Resources, VA VP - Virginia Power, VA VTSO - Virginia Tech Seismological Observatory, VA VSCC - Volunteer State Community College, TN WAL - Washington and Lee University, VA WSRC - Westinghouse Savannah River Company, SC WVGS - West Virginia Geological and Economic Survey, WV WVU - West Virginia University, WV APPENDIX A: Intensity Report for August 21, 1992 Ladson/Summerville, South Carolina Earthquake Joyce B. Bagwell, Ph.D. Charleston Southern University Charleston, South Carolina Introduction: The Ladson/Summerville, South Carolina earthquake of August 21, 1992, magnitude (R) = 4.1, was felt over an area of approximately 150 square miles. South Carolinians within the area of highest intensity, Modified Mercalli Scale = VI, described the event in two ways. Indoors, it manifested itself as an explosive sound followed by a rapid motion which shook the buildings. Outside it was described as a shaking of the ground. Reports of a stopped pendulum clock, movement of a refrigerator, interrupted power and phone lines for two hours, small objects overturning or falling off the wall, heavy objects lifted and thrown to the floor, kitchen cabinet doors opening, unsteadiness of walking, shaking of pool water, cracked chimneys and sidewalks, and the frightening of residents in the meizoseismal area (area of highest intensity) provided the general effects of this earthquake and the criteria for the Modified Mercalli VI assignment. From verifying telephone reports to the Earthquake Center at Charleston Southern University with follow up visits of significant occurrences, an intensity survey was conducted, and an isoseismal map drawn. The University of South Carolina at Columbia provided reports from the upper state regions. Figures A1 and A2 show isoseismal maps on a local and statewide scale, respectively. Description of Event: The Ladson/Summerville earthquake occurred on Friday, August 21, 1992 at 16:31:56.10 GMT (12:31:56.10 EDST). Estimates of earthquake duration ranged from a few seconds to one minute. All reports included rapid motion for less than a minute. The earthquake was felt by everyone in the meizoseismal area. Residents who work night shifts reported being awakened by the movements of their beds. Everyone was frightened by explosive sounds, described in a variety of ways ranging from a stampede of students coming down the hall of the school to that of a big Mac truck hitting the house. Location: The portable recorder was located in the approximate center of the felt area. The S-P time for the May 17 event could only be constrained to less than 0.1 second, an equivalent distance of less than 1.0 kilometer. This maximum distance and the felt area constrain the epicenter to 84, 07' 45" west by 34 20' 30" north with an uncertainty of 1 kilometer. The audible attribute to these events would suggest an unusually shallow focus, likely less than 0.5 km. Description of Effects: Description of the effects of the earthquake varied depending on distance from the epicenter, and appeared to be related to what the persons were doing at the time. Whether or not they were in a trailer, brick house, wooden house, or large building was also a factor. The following effects, noted by individuals, provided more than 500 reports. Everyone in Summerville, Ladson, Lincolnville, North Charleston, and surrounding subdivisions, startled by the very explosive sound, reported intense shaking followed by two less intensive explosive sounds. A third explosive sound was heard approximately thirty minutes later. The descriptive intensity VI Modified Mercalli Scale came from reports of individuals living in Dorchester, Charleston, and Berkeley County communities. The reports of highest intensity came from individuals living within the southeast corner of Dorchester County which borders Charleston and Berkeley Counties. This investigator verified the unique reports of the heavy refrigerator moving, deerhead and smoke alarms falling off the wall, dead phone lines, loss of power, sloshing pools, and cracked internal and external walls. The personal experiences of the Earthquake Education Center staff at Charleston Southern University was a frightening explosive sound that shook the University's concrete block building. A surgeon at Trident Regional Medical Center reported his operating table moved one inch with innards of the patient out of the person's body. Quite a jolt. Very little structural damage occurred as a result of this earthquake. Unreinforced masonry structures experienced hairline fractures. There were no injuries and no deaths. Figure A1. Isoseismal map of the meizoseismal area for the August 21, 1992 Ladson/Summerville, South Carolina, earthquake. Figure A2. Statewide isoseismal map for the the August 21, 1992 Ladson/Summerville, South Carolina, earthquake. APPENDIX B: Addenda Following are event locations and magnitudes submitted by the Tennessee Valley Authority for the second half of 1991. ***** 1991 JULY 11; 00:26 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910711 002612.7 36.147 83.764 6.9 8 9 156 0.1 C B/C 1.0 73 0.9 2.3 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 9.1 310 iPc 00:26:14.79 ( 0.04 ) iS 00:26:16.14 (-0.11 ) TVA TKL 54.3 181 eS :28.99 ( 0.09 ) TVA GBTN 66.9 217 eP :25.06 ( 0.91X) eS :32.38 (-0.13 ) TVA RICH 88.8 106 eS :38.32 (-0.52 ) TVA WSSR 97.9 170 eP :30.80 ( 1.43X) eS :42.02 ( 0.49 ) TVA ETT 110.5 215 eP :32.34 ( 1.11X) eS :44.40 (-0.36 ) TVA ANTN 132.1 272 P? :36.04 ( 1.49X) eS :50.79 ( 0.30 ) TVA WMTN 148.1 228 eS :27:00.99 ( 6.30X) ***** 1991 JULY 14; 07:31 - LENOIR CITY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910714 073156.2 35.555 84.417 13.8 16 22 70 0.2 B B/B 0.7 -65 0.4 0.6 A 1.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 22.4 56 iPd 07:32:00.60 (-0.07 ) eS 07:32:03.82 (-0.14 ) TVA ETT 25.6 188 eP :01.34 ( 0.18 ) eS :04.74 (-0.07 ) TVA ORT 40.6 14 eP :03.84 ( 0.37 ) eS :08.89 ( 0.09 ) TVA BHT 57.8 304 eP :05.80 (-0.40 ) TVA TKL 59.4 79 eP :06.64 ( 0.23 ) eS :13.94 ( 0.05 ) TVA WMTN 60.9 236 eP :06.49 (-0.16 ) eS :13.79 (-0.52 ) TVA CRTN 88.5 36 iP :11.14 ( 0.26 ) eS :21.14 (-0.49 ) TVA BBG 93.5 144 eP :12.14 ( 0.41 ) eS :24.36 ( 1.26X) TVA ABTN 157.4 284 eP :21.34 (-0.09 ) eS :40.14 ( 0.27 ) ***** 1991 JULY 18; 09:31 - COHUTTA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910718 093116.7 34.984 84.821 7.0 21 32 139 0.2 C B/C 0.5 2 0.4 1.1 A 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA WMTN 32.4 335 eP 09:31:22.57 ( 0.13 ) iS 09:31:26.52 (-0.12 ) TVA ETT 50.5 41 iP- :25.50 ( 0.05 ) eS :32.00 ( 0.15 ) TVA LKGA 71.8 236 eP :28.82 (-0.15 ) eS :38.07 ( 0.14 ) TVA BBG 93.1 97 eP :32.50 (-0.04 ) eS :44.00 (-0.11 ) TVA GBTN 93.8 36 eP :32.50 (-0.09 ) eS :43.50 (-0.69X) TVA WSSR 117.9 74 eP :36.50 ( 0.08 ) eS :50.50 (-0.32 ) TVA TKL 121.1 52 eP :37.00 ( 0.18 ) eS :51.50 ( 0.00 ) TVA ANTN 136.9 344 eP :39.62 ( 0.36 ) eS :55.62 (-0.11 ) TVA ABTN 153.8 311 iP :41.92 ( 0.08 ) eS :32:00.67 ( 0.48 ) TVA CRTN 161.5 33 eP :43.17 ( 0.15 ) eS :02.12 (-0.12 ) TVA MSAL 169.9 265 eS :03.92 (-0.52 ) TVA LAL 238.3 256 eS :23.02 ( 0.90 ) TVA TCT 272.5 295 eS :31.27 ( 1.94X) ***** 1991 JULY 23; 09:06 - LEIGHTON, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910723 090647.1 34.671 87.522 5.3 12 31 141 0.2 C B/C 0.6 35 0.3 2.2 B 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 31.0 147 eP+ 09:06:52.74 ( 0.05 ) iS 09:06:56.68 (-0.06 ) TVA PWLA 60.3 305 eP- :57.66 ( 0.15 ) eS :07:04.90 (-0.18 ) TVA MSAL 80.1 76 eP :07:00.80 ( 0.00 ) iS :10.44 (-0.32 ) TVA TCT 148.1 359 eP :11.90 ( 0.40 ) iS :29.42 ( 0.13 ) TVA MILT 170.9 320 eP :14.50 (-0.49 ) eS :33.66 (-1.67X) TVA EBZ 175.1 288 eP :16.12 ( 0.49 ) eS :36.10 (-0.33 ) TVA ABTN 186.3 43 eP :17.54 ( 0.18 ) eS :37.74 (-1.68X) TVA LKGA 188.0 91 eP- :18.40 ( 0.74X) eS :41.20 ( 1.26X) TVA RCG 201.8 80 eP :20.58 ( 0.83X) eS :44.82 ( 1.27X) TVA MOTN 220.1 349 iPd :22.70 ( 0.17X) eS :48.48 ( 0.12X) TVA UTM 221.0 325 eP :22.70 ( 0.04X) eS :49.96 ( 1.37X) TVA WMTN 241.5 74 eP :25.84 ( 0.30X) eS :54.96 ( 1.38X) TVA ANTN 266.5 51 eP :29.46 ( 0.83X) eS :08:01.08 ( 2.16X) TVA BHT 268.4 60 eP :29.56 ( 0.67X) eS :02.00 ( 2.63X) TVA HAKY 283.1 17 eS :06.42 ( 4.08X) TVA ETT 289.3 75 eP :33.06 ( 1.64X) eS :04.90 ( 1.16X) ***** 1991 JULY 26; 04:21 - PINEVILLE, KENTUCKY ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910726 042145.4 36.885 83.847 6.3 20 76 250 0.3 D C/D 1.8 62 1.1 2.2 B 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 76.0 180 eP 04:21:58.62 ( 0.30 ) eS 04:22:07.62 (-0.16 ) TVA BRTN 105.4 123 P? :22:04.62 ( 1.47X) eS :20.42 ( 4.28X) TVA TKL 136.2 177 eP :08.10 ( 0.25 ) eS :24.12 (-0.15 ) TVA GBTN 139.1 194 eP- :08.18 (-0.10 ) eS :25.30 ( 0.28 ) TVA ANTN 147.0 238 eP :09.72 ( 0.19 ) eS :27.62 ( 0.45 ) TVA BHT 151.5 221 eP :09.66 (-0.58 ) eS :27.86 (-0.53 ) TVA WSSR 179.9 172 eP :15.06 ( 0.43 ) eS :36.72 ( 0.73 ) TVA ETT 181.4 198 eP+ :14.40 (-0.39 ) eS :36.26 ( 0.00 ) TVA RBNC 186.4 155 eS :37.60 (-0.18 ) TVA BRBC 189.2 132 eP+ :15.90 (-0.22 ) TVA WMTN 208.0 210 eP :18.72 (-0.12 ) eS :45.22 ( 1.94X) TVA BBG 223.1 179 eS :47.38 (-0.06 ) TVA ABTN 231.2 242 eP :22.27 (-0.13 ) eS :49.37 (-0.06 ) ***** 1991 JULY 29; 15:33 - CLEVELAND, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910729 153321.6 35.133 84.825 13.2 24 19 72 0.2 B B/B 0.5 44 0.4 0.7 A 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA WMTN 18.6 313 iPc 15:33:25.60 ( 0.09 ) iS 15:33:28.20 (-0.17 ) TVA GMG 33.1 155 eP :27.84 ( 0.10 ) eS :32.06 (-0.17 ) TVA ETT 39.9 57 eP :28.60 (-0.17 ) eS :33.98 (-0.03 ) TVA BHT 80.0 352 eP :35.12 ( 0.04 ) eS :44.72 (-0.21 ) TVA GBTN 81.3 43 eP :35.12 (-0.12 ) eS :45.12 (-0.08 ) TVA LKGA 81.8 227 eP :35.50 ( 0.15 ) S? :46.50 ( 1.11X) TVA BBG 96.9 107 eP :37.92 ( 0.21 ) eS :48.98 (-0.50 ) TVA ORT 98.2 29 eS :50.25 ( 0.56 ) TVA TKL 111.8 58 eP :39.80 (-0.11 ) eS :53.60 ( 0.31 ) TVA WSSR 114.6 82 eP :40.68 ( 0.25 ) eS :54.00 (-0.19 ) TVA ANTN 121.0 342 P? :38.85 (-2.49X) eS :55.90 ( 0.13 ) TVA ABTN 143.4 306 eP :45.20 ( 0.45 ) eS :34:01.15 (-0.50 ) TVA MSAL 171.8 260 eP :48.90 (-0.18 ) eS :08.55 (-0.60 ) TVA BRTN 223.1 52 S? :22.10 (-0.57 ) TVA LAL 242.6 252 S? :28.80 ( 2.08X) TVA HAKY 270.3 325 S? :30.95 (-1.60X) ***** 1991 AUGUST 17; 17:59 - TRENTON, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910817 175909.2 34.914 85.483 21.4 32 14 106 0.2 B B/B 0.5 -15 0.3 0.8 A 2.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA RCG 14.1 61 iPd 17:59:13.66 ( 0.13 ) eS 17:59:16.46 (-0.20 ) TVA DALG 46.2 109 P :17.40 (-0.18 ) S :21.80 (-1.88X) TVA WMTN 59.5 51 iPd :19.70 ( 0.13 ) iS :26.90 (-0.21 ) TVA GMG 74.5 94 eP :22.20 ( 0.31 ) eS :30.80 (-0.34 ) TVA CDG 81.6 114 P :22.90 ( 0.01 ) S :32.60 (-0.26 ) TVA ETT 104.3 64 iP- :26.36 ( 0.00 ) eS :38.82 (-0.05 ) TVA MSAL 109.1 266 iPd :26.89 (-0.17 ) eS :40.17 ( 0.10 ) TVA BHT 114.5 25 eP :26.68 (-1.28X) eS :41.64 ( 0.01 ) TVA ANTN 141.5 9 eP :32.02 (-0.03 ) TVA GBTN 142.7 54 iP- :32.22 ( 0.00 ) eS :49.64 ( 0.64 ) TVA BBG 152.9 91 eP- :33.98 ( 0.11 ) eS :51.48 (-0.38 ) TVA ORT 153.8 44 eP :34.00 ( 0.08 ) eS :53.50 ( 1.55X) TVA TKL 176.1 62 iPc :37.26 (-0.06 ) eS :58.13 ( 0.30 ) TVA LAL 177.9 253 eP :37.45 (-0.15 ) eS :59.08 ( 0.76 ) TVA WSSR 178.4 76 eP :37.76 ( 0.00 ) eS :59.14 ( 0.55 ) TVA ATL 195.2 147 P :42.00 ( 1.76X) S 18:00:03.00 ( 0.12 ) TVA FDKY 210.1 352 eP :42.16 ( 0.04 ) TVA TCT 223.5 303 eP :43.37 (-0.38 ) eS :10.28 ( 1.32X) TVA RBNC 232.9 77 eP+ :45.44 ( 0.34 ) eS :12.80 ( 1.51X) TVA HAKY 262.7 338 eP :48.80 ( 0.26 ) eS :22.00 ( 4.76X) TVA RICH 266.5 64 eP+ :49.20 ( 0.10 ) TVA BRBC 304.8 72 eP :56.74 ( 2.83X) ***** 1991 SEPTEMBER 8; 22:14 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910908 221420.0 36.154 83.779 9.1 13 8 63 0.2 B B/A 0.7 -55 0.4 1.0 A 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 7.6 312 iP 22:14:22.16 ( 0.07 ) iS 22:14:23.44 (-0.20 ) TVA CCVA 50.9 11 eS :35.18 (-0.08 ) TVA TKL 55.0 180 eP :30.04 ( 0.56X) eS :36.14 (-0.27X) TVA GBTN 66.7 216 iPc :31.30 (-0.10 ) eS :39.34 (-0.41 ) TVA BRTN 84.9 74 eP+ :34.54 ( 0.12 ) eS :44.49 (-0.47 ) TVA WSSR 98.8 169 ePd :37.20 ( 0.55 ) eS :48.92 ( 0.10 ) TVA ETT 110.4 214 eP :38.18 (-0.17 ) eS :51.86 ( 0.10 ) TVA BHT 110.5 252 eS :52.44 ( 0.59 ) TVA ANTN 130.7 271 eP :41.04 (-0.43X) eS :57.29 ( 0.13X) TVA BBG 142.0 181 eP :43.86 ( 0.60X) eS :15:00.82 ( 0.56X) TVA BRBC 142.3 108 eP :43.26 (-0.10 ) eS :01.70 ( 1.26X) TVA WMTN 147.6 227 eP :44.54 ( 0.51X) iS :02.49 ( 0.90X) TVA GMG 164.5 210 eP :47.24 ( 0.56X) eS :05.88 (-0.30X) TVA GFM 177.5 91 eS :09.50 (-0.23X) TVA ABTN 212.2 263 eP :55.80 ( 1.88X) eS :20.40 ( 1.70X) ***** 1991 SEPTEMBER 22; 19:57 - EAST GREENWOOD, SOUTH CAROLINA ***** TVA Probable earthquake. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910922 195721.5 34.201 82.092 0.1 10 156 273 0.2 C B/D 1.5 -25 0.7 1.7 B 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA BENN 156.3 14 iP 19:57:46.70 ( 0.17 ) eS 19:58:05.46 ( 1.16X) TVA BRBC 171.5 354 iP :49.10 ( 0.13 ) eS :07.98 (-0.48 ) TVA BBG 174.6 296 iP :49.30 (-0.15 ) eS :09.56 ( 0.27 ) TVA WSSR 181.1 312 iP :50.48 (-0.02 ) eS :11.56 ( 0.49 ) TVA GFM 213.5 7 iP :55.76 ( 0.08 ) eS :21.48 ( 1.55X) TVA TKL 223.0 317 ePd :56.77 (-0.43X) iS :22.92 ( 0.38X) TVA GMG 247.8 288 iP :58:00.32 (-0.02 ) eS :30.10 ( 1.12 ) TVA BRTN 249.4 344 ePc :01.37 ( 0.89X) eS :30.77 ( 1.54X) TVA ETT 249.8 301 iP :01.12 ( 0.60X) eS :29.46 ( 0.15X) TVA GBTN 252.8 311 iP :01.36 ( 0.49X) eS :30.98 ( 1.05X) TVA CRTN 273.0 325 ePc :04.22 ( 0.84X) eS :35.72 ( 1.35X) TVA ORT 276.9 314 eP :03.12 (-0.73X) iS :36.32 ( 1.12X) TVA WMTN 288.3 295 ePc :05.72 ( 0.46X) eS :40.32 ( 2.62X) TVA LKGA 314.3 280 eP :10.92 ( 2.43X) eS :47.07 ( 3.66X) TVA ANTN 359.9 308 eP :18.72 ( 4.61X) eS :58.47 ( 5.11X) TVA ABTN 411.4 298 eP :20.87 ( 0.44X) eS :59:04.42 (-0.13X) TVA MSAL 426.7 281 eP :27.32 ( 5.01X) eS :16.32 ( 8.45X) ***** 1991 SEPTEMBER 24; 07:21 - GREENBACK, TENNESSEE ***** TVA Felt (IV) in Knox and Blount Counties. SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 910924 072107.0 35.701 84.117 13.3 43 9 58 0.3 B C/A 0.3 -1 0.2 0.4 A 3.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 9.4 246 iPd 07:21:10.00 ( 0.15 ) eS 07:21:12.10 ( 0.19 ) TVA ORT 28.7 324 iPc :12.52 ( 0.08 ) TVA TKL 31.4 99 iP :12.88 ( 0.04 ) TVA ETT 51.7 217 iPd :15.82 (-0.29 ) eS :22.30 (-0.43 ) TVA CRTN 60.7 24 ePd :16.98 (-0.55 ) TVA WSSR 67.7 134 iPc :18.68 (-0.01 ) TVA BHT 76.6 282 iPc :19.90 (-0.10 ) eS :29.52 ( 0.04 ) TVA WMTN 92.6 237 eP- :22.18 (-0.22 ) TVA BBG 95.9 163 iPc :22.94 (-0.05 ) eS :34.10 (-0.55 ) TVA GMG 105.8 209 eP- :24.24 (-0.25 ) eS :37.30 ( 0.07 ) TVA CCVA 108.0 22 eP :24.48 (-0.30 ) eS :38.60 ( 0.87X) TVA RBNC 109.4 110 iPc :25.26 ( 0.15 ) eS :37.98 (-0.33 ) TVA SMTN 113.2 48 eP- :25.34 (-0.25 ) eS :44.34 ( 5.20X) TVA ANTN 113.4 298 iP :25.38 (-0.23 ) TVA RICH 119.8 78 eP :26.70 ( 0.08 ) TVA BRTN 134.0 57 eP :28.54 (-0.23 ) eS :46.10 ( 1.46X) TVA RCG 137.9 235 eP+ :29.38 ( 0.03 ) eS :49.64 ( 3.99X) TVA PDTN 164.3 254 eP :33.66 ( 0.28 ) eS :53.42 ( 0.81X) TVA BRBC 165.7 88 iPd :33.96 ( 0.22 ) eS :53.40 ( 0.16 ) TVA LKGA 171.9 226 eP- :35.30 ( 0.73 ) eS :54.67 (-0.01 ) TVA TRYN 176.5 105 iPc :35.80 ( 0.50 ) eS :57.12 ( 1.19X) TVA ABTN 181.3 277 iPc :36.10 ( 0.11 ) TVA FDKY 193.2 309 eP :38.08 ( 0.27 ) TVA GFM 213.4 77 eP :40.98 (-0.05 ) eS :22:06.48 ( 0.64 ) TVA BENN 222.9 93 eP+ :42.26 (-0.08 ) eS :09.74 ( 1.62X) TVA MSAL 251.2 249 eP :45.68 (-0.04 ) eS :14.86 ( 0.90 ) TVA PKNC 269.9 81 eP :47.56 (-0.52 ) eS :21.78 ( 3.74X) TVA HAKY 270.8 306 eP :49.26 ( 1.16 ) eS :21.46 ( 3.38X) TVA PLVA 286.7 67 iPc :49.56 (-0.64 ) TVA TCT 312.2 277 eP :54.47 ( 1.29 ) eS :33.02 ( 6.16X) TVA LAL 325.5 245 eP :55.12 ( 0.31 ) eS :31.34 ( 1.65X) TVA MOTN 362.8 287 eP :22:01.02 ( 1.67 ) eS :43.98 ( 6.44X) TVA PWLA 367.6 259 eP :00.40 ( 0.45 ) eS :48.20 ( 9.63X) ***** 1991 OCTOBER 3; 02:34 - LAFAYETTE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911003 023409.4 34.640 85.298 15.3 6 16 240 0.2 D D/D 3.7 -28 1.3 3.6 C 0.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 16.1 263 eP 02:34:13.10 (-0.10 ) eS 02:34:16.00 ( 0.01 ) TVA WMTN 73.7 24 P? :22.20 ( 0.44 ) eS :30.70 (-0.11 ) TVA MSAL 128.0 281 eS :44.90 (-0.27 ) TVA ABTN 156.7 332 eS :53.30 ( 0.53 ) ***** 1991 OCTOBER 7; 12:04 - SPRUCE PINE, NORTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911007 120407.2 35.862 82.050 25.8 11 35 198 0.3 D C/D 1.6 -48 0.5 1.0 B 2.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GFM 35.3 38 iP 12:04:14.00 (-0.32 ) eS 12:04:20.00 ( 0.60 ) TVA BRTN 91.9 307 eS :27.63 (-5.69X) TVA RBNC 101.7 237 iP :24.00 (-0.02 ) eS :36.00 ( 0.01 ) TVA TKL 157.6 262 eP :31.45 (-0.71 ) eS :50.49 (-0.07 ) TVA CRTN 165.7 284 eP :31.73 (-1.45 ) iS :52.43 ( 0.07 ) TVA BBG 194.0 236 iP :37.00 ( 0.25 ) eS :59.40 ( 0.73 ) TVA WMTN 273.7 256 P? :48.33 ( 1.85X) eS :05:18.99 ( 3.09X) TVA ABTN 366.6 272 P? :59.03 ( 1.10 ) eS :40.53 ( 4.36X) ***** 1991 OCTOBER 9; 01:29 - CHICKAMAUGA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911009 012923.3 34.895 85.327 6.5 7 33 165 0.1 C C/C 0.7 -57 0.4 6.8 D 0.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 32.9 204 iP 01:29:29.27 ( 0.10 ) eS 01:29:33.27 (-0.17 ) TVA WMTN 50.8 39 eP :32.12 ( 0.02 ) iS :38.47 (-0.04 ) TVA PDTN 63.6 312 P? :34.12 (-0.09 ) eS :42.12 (-0.04 ) TVA ABTN 130.9 327 S? :30:01.27 ( 0.46 ) ***** 1991 OCTOBER 9; 04:27 - COHUTTA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911009 042751.2 34.920 84.917 6.1 25 23 132 0.3 C B/C 0.4 -5 0.3 1.1 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GMG 23.4 106 iPd 04:27:55.66 ( 0.16 ) TVA WMTN 36.8 352 eP :58.22 ( 0.55 ) iS 04:28:02.17 (-0.23 ) TVA RCG 39.9 279 eP :58.36 ( 0.17 ) eS :03.10 (-0.19 ) TVA LKGA 60.5 237 iP :28:01.47 (-0.15 ) S? :10.87 ( 1.65X) TVA ETT 61.7 43 iPd :01.72 (-0.08 ) eS :09.30 (-0.24 ) TVA PDTN 93.7 295 eP :07.52 ( 0.45 ) eS :18.42 (-0.24 ) TVA BBG 101.2 93 eP :08.06 (-0.32 ) eS :19.90 (-1.02X) TVA GBTN 104.8 38 eP :08.64 (-0.24 ) eS :21.12 (-0.67 ) TVA WSSR 128.4 72 iPd :12.36 (-0.22 ) TVA TKL 132.4 51 eP :13.27 ( 0.17 ) eS :29.12 ( 0.03 ) TVA ANTN 141.8 348 eP :14.97 ( 0.39 ) eS :31.22 (-0.43 ) TVA ABTN 152.4 315 eP :16.62 ( 0.45 ) eS :34.67 ( 0.27 ) TVA MSAL 160.8 268 eS :36.62 ( 0.00 ) TVA CRTN 172.3 34 eP :19.57 ( 0.33 ) eS :42.77 ( 3.06X) TVA FDKY 222.2 339 eP :28.62 ( 1.77X) eS :53.57 ( 0.69 ) TVA LAL 228.2 257 eP :26.82 (-0.96 ) eS :55.37 ( 0.89 ) TVA TCT 267.9 297 eS :29:04.87 ( 1.84X) ***** 1991 OCTOBER 13; 13:13 - BEREA, KENTUCKY ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911013 131318.8 37.607 84.043 2.1 10 157 293 0.5 D D/D 3.9 25 1.9 4.8 C 2.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 157.2 173 eP 13:13:44.22 ( 0.28 ) eS 13:14:01.27 (-0.53 ) TVA BRTN 173.8 143 eP :48.87 ( 2.28X) eS :09.72 ( 3.39X) TVA FDKY 180.0 240 eP :47.87 ( 0.29 ) eS :07.87 (-0.17 ) TVA ANTN 191.3 214 eP :48.72 (-0.68 ) eS :11.32 ( 0.19 ) TVA TKL 217.6 174 P? :53.42 (-0.17 ) eS :19.17 ( 0.84 ) TVA HAKY 232.0 257 eS :22.37 ( 0.11X) TVA ABTN 265.6 225 eP :59.27 (-0.24 ) eS :30.52 ( 0.86 ) TVA WMTN 274.8 198 eS :33.57 ( 1.91X) ***** 1991 OCTOBER 19; 15:30 - CHICKAMAUGA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911019 153021.3 34.755 85.184 12.5 21 29 177 0.2 C B/C 0.6 1 0.3 0.6 A 2.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA RCG 28.7 328 iPc 15:30:26.72 ( 0.05 ) iS 15:30:30.56 (-0.02 ) TVA GMG 48.5 76 ePc :29.86 (-0.02 ) eS :36.14 ( 0.01 ) TVA WMTN 58.0 19 iP :31.45 ( 0.08 ) iS :37.80 (-0.91X) TVA PDTN 83.7 314 iP :35.00 (-0.37 ) eS :45.80 ( 0.18 ) TVA ETT 91.8 46 iPd :36.50 (-0.14 ) eS :47.92 ( 0.09 ) TVA BHT 123.1 10 eP+ :41.70 ( 0.25 ) eS :56.66 ( 0.51 ) TVA BBG 126.3 84 eP :42.08 ( 0.09 ) eS :56.58 (-0.50 ) TVA GBTN 134.4 41 ePd :43.02 (-0.12 ) eS :59.78 ( 0.71X) TVA WSSR 157.6 68 iPc :46.94 ( 0.16 ) eS :31:05.62 ( 0.24 ) TVA TKL 162.8 52 eP :47.60 ( 0.11 ) eS :06.65 ( 0.05 ) TVA LAL 200.7 260 iP :53.25 (-0.03 ) iS :17.10 ( 0.48 ) TVA CRTN 201.4 37 eP :53.35 (-0.06 ) eS :20.15 ( 3.31X) TVA BRBC 285.4 67 eP :31:06.18 ( 1.69X) TVA HAKY 289.9 335 eP :06.60 ( 1.80X) eS :39.10 ( 2.55X) TVA MOTN 327.3 310 eP :13.65 ( 4.28X) S? :51.65 ( 7.19X) ***** 1991 OCTOBER 21; 01:10 - LAFAYETTE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911021 011047.9 34.719 85.181 24.6 11 29 167 0.2 C B/C 0.7 -27 0.4 1.9 B 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 28.7 249 iP 01:10:54.22 ( 0.06 ) S? 01:10:57.18 (-1.54X) TVA GMG 49.4 71 eP :57.10 ( 0.12 ) eS :11:03.10 (-0.49 ) TVA WMTN 61.7 18 eP :59.17 ( 0.48 ) iS :06.77 ( 0.21 ) TVA PDTN 86.7 315 eP :11:02.17 (-0.26 ) eS :12.87 (-0.15 ) TVA ETT 94.5 44 iP :03.60 (-0.03 ) eS :14.70 (-0.40 ) TVA BBG 126.5 82 eP+ :09.10 ( 0.54 ) eS :23.70 ( 0.06 ) TVA BHT 127.0 10 eS :24.10 ( 0.42X) TVA GBTN 137.3 40 eS :26.50 ( 0.19X) TVA MSAL 137.4 276 eS :27.07 ( 0.75X) TVA ORT 154.3 31 eP :13.67 ( 0.97X) S? :32.07 ( 1.27X) TVA ABTN 154.6 327 eP :13.17 ( 0.42X) eS :31.37 ( 0.50X) TVA WSSR 158.9 67 eP- :14.20 ( 0.70X) eS :32.40 ( 0.22X) TVA ANTN 161.3 358 eP :14.62 ( 0.83X) eS :32.92 ( 0.24X) TVA TKL 165.2 50 eP :15.80 ( 1.44X) eS :34.40 ( 0.74X) TVA LAL 200.3 262 eP :20.92 ( 1.59X) eS :44.97 ( 2.72X) TVA CRTN 204.5 36 eP :21.37 ( 1.52X) eS :45.22 ( 2.06X) TVA FDKY 236.4 347 eP :25.67 ( 1.93X) eS :53.22 ( 3.33X) ***** 1991 OCTOBER 22; 06:30 - SUMMERVILLE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911022 063057.2 34.493 85.460 8.4 11 52 189 0.2 C B/D 0.6 8 0.5 1.1 A 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA DALG 51.9 53 P 06:31:06.10 (-0.04 ) S 06:31:13.00 ( 0.31 ) TVA RCG 54.4 11 iP :06.70 ( 0.12 ) eS :13.18 (-0.26 ) TVA CDG 73.6 80 P :09.50 (-0.23 ) S :18.70 (-0.21 ) TVA GMG 83.2 60 iP :09.76 (-1.61X) eS :20.88 (-0.85X) TVA PDTN 93.6 338 iP :12.85 (-0.15 ) eS :24.85 ( 0.29 ) TVA WMTN 94.8 28 iP :13.40 ( 0.21 ) iS :24.60 (-0.29 ) TVA ETT 130.3 45 iPc :17.86 (-0.78X) eS :34.04 (-0.27X) TVA BBG 156.9 74 iPc :22.20 (-0.59X) eS :40.18 (-1.30X) TVA ABTN 165.4 339 iP :23.80 (-0.20X) eS :43.25 (-0.34X) TVA LAL 172.6 268 eS :45.35 (-0.13 ) TVA GBTN 173.0 41 eP :23.86 (-1.29X) eS :45.02 (-0.56X) TVA WSSR 192.8 63 iP :27.84 (-0.44X) eS :50.24 (-0.76X) TVA CRTN 239.8 37 eP :36.60 ( 1.56X) eS :32:05.40 ( 2.71X) ***** 1991 OCTOBER 25; 10:44 - SEVIERVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911025 104449.3 35.973 83.675 5.7 12 29 115 0.3 C C/C 0.9 85 0.3 2.5 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 29.3 329 iP 10:44:54.59 ( 0.07 ) iS 10:44:58.20 (-0.15 ) TVA TKL 36.1 194 iP :56.00 ( 0.36 ) eS :45:00.00 (-0.29 ) TVA GBTN 59.2 235 iP :59.50 ( 0.04 ) eS :06.50 (-0.40 ) TVA WSSR 77.6 174 iP :45:02.00 (-0.57 ) eS :11.00 (-1.27X) TVA BRTN 84.1 59 eS :12.04 (-2.01X) TVA ETT 100.8 225 eP :06.10 (-0.24 ) eS :17.50 (-1.30X) TVA BHT 115.5 263 eS :23.00 ( 0.16 ) TVA GFM 169.0 84 eS :37.50 ( 0.35 ) TVA ABTN 219.9 268 P? :25.04 ( 0.42 ) eS :51.50 ( 1.08 ) ***** 1991 OCTOBER 28; 10:46 - ATHENS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911028 104620.9 35.615 84.712 11.5 23 33 87 0.2 C B/C 0.3 12 0.2 0.7 A 1.6 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA BHT 33.3 321 iPc 10:46:26.82 (-0.12 ) eS 10:46:31.24 (-0.13 ) TVA ETT 39.6 144 ePc :27.94 ( 0.00 ) eS :32.92 (-0.18 ) TVA GBTN 45.8 83 iPd :28.96 ( 0.05 ) iS :34.88 ( 0.10 ) TVA WMTN 47.1 210 eP :29.44 ( 0.31 ) iS :35.19 ( 0.04 ) TVA ANTN 77.6 323 eP :33.94 (-0.15 ) iS :43.94 ( 0.21 ) TVA GMG 83.5 177 eP :34.80 (-0.25 ) TVA TKL 85.1 87 eP :35.02 (-0.20 ) iS :45.48 (-0.21 ) TVA RCG 91.6 219 eS :46.70 (-0.71X) TVA CRTN 102.0 50 eP :38.44 ( 0.62 ) eS :50.49 ( 0.31 ) TVA WSSR 109.5 110 eS :52.12 (-0.20 ) TVA PDTN 110.0 250 eP :39.24 ( 0.21 ) eS :52.34 ( 0.06 ) TVA BBG 116.1 135 eP :40.06 ( 0.00 ) eS :53.60 (-0.46 ) TVA ABTN 129.9 284 eP :42.29 ( 0.22 ) iS :57.29 (-0.25 ) TVA LKGA 130.0 212 eP :42.54 ( 0.42 ) eS :58.94 ( 1.32X) ***** 1991 OCTOBER 30; 14:54 - CHATSWORTH, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911030 145412.6 34.904 84.713 8.1 52 6 69 0.3 B B/A 0.3 -28 0.2 0.4 A 3.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GMG 6.0 140 iPc 14:54:14.81 ( 0.32 ) eS 14:54:16.01 ( 0.13 ) TVA DALG 30.6 242 P :18.40 ( 0.33 ) TVA CDG 32.7 173 P :18.50 ( 0.09 ) S :21.40 (-1.25X) TVA WMTN 45.0 328 iP :20.47 ( 0.04 ) TVA ETT 52.4 27 ePd :21.73 ( 0.07 ) iS :28.47 ( 0.18 ) TVA RCG 58.6 278 eP- :22.69 ( 0.01 ) eS :29.87 (-0.18 ) TVA LKGA 76.2 246 iP :25.12 (-0.48 ) TVA BBG 82.5 92 iPd :26.51 (-0.18 ) eS :36.15 (-0.83X) TVA GBTN 96.1 28 ePd :28.47 (-0.35 ) eS :39.95 (-0.73 ) TVA BHT 106.8 349 ePc :30.47 (-0.03 ) eS :44.01 ( 0.43 ) TVA WSSR 111.5 68 ePd :31.15 (-0.12 ) eS :44.87 (-0.03 ) TVA PDTN 111.5 292 iP :31.17 (-0.01 ) eS :44.50 (-0.25 ) TVA ORT 117.6 18 iP :32.25 ( 0.14 ) iS :46.45 ( 0.08 ) TVA TKL 119.6 45 eP+ :32.31 (-0.11 ) eS :46.69 (-0.20 ) TVA ANTN 148.3 342 iPc :36.72 (-0.13 ) TVA CRTN 164.1 29 iP :39.02 (-0.23 ) iS :58.80 ( 0.09 ) TVA RBNC 165.2 72 ePd :39.45 (-0.09 ) eS :59.49 ( 0.28 ) TVA ATL 166.7 168 P :40.80 ( 1.17X) S :59.50 ( 0.13 ) TVA ABTN 167.2 311 iP :39.82 ( 0.11 ) TVA MSAL 179.4 269 eP :40.82 (-0.75 ) iS :55:02.57 (-0.15 ) TVA RICH 205.6 56 eP+ :45.85 ( 0.20 ) TVA CCVA 210.9 26 eS :11.95 ( 0.82 ) TVA SMTN 214.8 40 eP+ :47.13 ( 0.10 ) eS :12.97 ( 0.79 ) TVA TRYN 228.5 79 eP :49.61 ( 0.44 ) eS :16.25 ( 0.38 ) TVA BRTN 232.2 45 ePc :49.27 (-0.31 ) TVA BRBC 239.3 67 eP+ :50.75 ( 0.13 ) eS :19.33 ( 0.94 ) TVA LAL 246.1 259 iPc :51.32 ( 0.09 ) iS :19.65 ( 0.20 ) TVA TCT 285.3 296 eP :54.82 (-1.21 ) iS :28.77 ( 1.04 ) TVA BENN 287.3 74 eP :56.81 ( 0.46 ) TVA GFM 295.7 62 eP+ :57.47 (-0.01 ) TVA HAKY 297.0 326 iPc :58.40 ( 0.96 ) iS :32.50 ( 2.32X) TVA PKNC 346.6 68 eP :55:03.99 ( 0.40 ) TVA MOTN 351.9 304 eP :05.72 ( 1.56 ) eS :42.72 ( 0.92 ) TVA PLVA 376.0 58 eP :06.81 (-0.44 ) ***** 1991 NOVEMBER 1; 03:24 - LEIGHTON, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911101 032411.3 34.667 87.520 0.3 9 31 202 0.2 D C/D 2.1 85 0.6 4.0 C 1.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 30.6 147 eP 03:24:16.41 (-0.13 ) eS 03:24:20.31 ( 0.03 ) TVA MSAL 80.0 75 P? :25.01 ( 0.45 ) eS :33.91 (-0.10 ) TVA TCT 148.5 359 eP :35.81 ( 0.11 ) eS :52.96 (-0.09 ) TVA ABTN 186.4 43 P? :41.51 (-0.30 ) eS :25:33.41 (-0.08 ) TVA MOTN 220.5 349 eP :46.81 ( 0.79 ) eS :12.11 ( 1.41X) TVA WMTN 241.3 74 S? :19.71 ( 4.62X) ***** 1991 NOVEMBER 3; 06:53 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911103 065302.8 35.454 84.239 11.3 12 24 87 0.1 C B/C 1.0 -59 0.4 1.5 B 1.4 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 23.7 6 iPc 06:53:07.40 ( 0.09 ) iS 06:53:10.50 (-0.10 ) TVA ETT 24.2 234 iPd :07.40 ( 0.00 ) eS :11.00 ( 0.24 ) TVA TKL 47.9 62 eP :12.00 ( 0.84X) eS :17.30 ( 0.02 ) TVA WMTN 70.5 251 eS :23.65 (-0.06 ) TVA BBG 75.2 149 eP :15.60 (-0.11 ) S? :25.00 (-0.15 ) TVA CRTN 90.3 23 eP :18.60 ( 0.66 ) eS :29.10 ( 0.10 ) TVA ABTN 175.9 286 eP :31.00 (-0.05 ) eS :50.75 (-0.92 ) ***** 1991 NOVEMBER 3; 07:05 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911103 070559.9 35.445 84.228 9.0 11 25 130 0.1 C B/C 0.8 -56 0.4 2.1 B 1.1 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 24.5 4 iPc 07:06:04.44 ( 0.06 ) iS 07:06:07.62 (-0.06 ) TVA ETT 24.6 237 iPd :04.40 ( 0.00 ) eS :07.64 (-0.08 ) TVA TKL 47.4 60 eP :08.06 (-0.05 ) eS :14.20 ( 0.06 ) TVA WSSR 61.9 107 eS :18.26 (-0.11 ) TVA WMTN 71.2 252 S? :20.90 (-0.03 ) TVA CRTN 90.7 23 eP :15.50 ( 0.28 ) eS :26.20 (-0.23 ) TVA ABTN 177.2 287 eS :49.10 (-0.23 ) ***** 1991 NOVEMBER 4; 07:17 - CULLMAN, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911104 071742.8 34.086 87.186 8.9 9 41 298 0.1 D C/D 4.7 77 1.3 7.1 D 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 41.4 340 eP 07:17:50.10 ( 0.00 ) iS 07:17:55.40 ( 0.00 ) TVA MSAL 96.6 29 iPd :59.10 ( 0.00 ) eS :18:10.80 (-0.17 ) TVA PDTN 179.9 43 eS :33.50 ( 0.47 ) TVA TCT 215.6 351 P? :18:16.85 (-0.46 ) eS :42.90 ( 0.42 ) TVA ABTN 222.6 26 eP :18.55 ( 0.16 ) eS :44.55 ( 0.21 ) TVA WMTN 240.3 57 P? :23.10 ( 2.40X) eS :49.85 ( 1.51X) ***** 1991 NOVEMBER 10; 09:54 - LAFAYETTE, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911110 095442.1 34.750 85.365 1.9 9 17 131 0.2 C B/C 0.6 -51 0.3 1.0 A 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LKGA 17.2 215 iP 09:54:45.20 ( 0.04 ) TVA RCG 25.0 3 iPc :46.40 (-0.14 ) iS 09:54:53.42 ( 3.63X) TVA GMG 64.7 79 eP :53.50 ( 0.04 ) eS :55:02.04 ( 0.26 ) TVA WMTN 65.8 33 eP :53.70 ( 0.11 ) iS :02.00 ( 0.01 ) TVA PDTN 73.0 323 ePd :55.10 ( 0.32 ) eS :05.35 ( 1.30X) TVA ETT 104.7 52 iPc :55:00.06 ( 0.02X) eS :15.30 ( 2.14X) TVA MSAL 120.3 275 eS :16.95 (-0.45 ) TVA BHT 127.5 17 eS :21.14 ( 1.74X) TVA BBG 142.8 84 eP :05.54 (-0.50 ) TVA ABTN 143.0 332 eP :06.15 ( 0.17X) eS :25.45 ( 2.02X) TVA GBTN 146.2 46 eP :06.30 (-0.16X) eS :24.22 (-0.04X) TVA ANTN 158.2 4 eP :08.35 ( 0.02X) eS :28.35 ( 0.86X) TVA WSSR 173.2 70 iPc :10.54 (-0.16X) eS :31.88 ( 0.28X) TVA TKL 176.4 55 eS :32.36 ( 0.08X) TVA LAL 184.3 260 eP- :11.90 (-0.40X) eS :34.00 (-0.36X) TVA CRTN 212.1 40 eP :16.35 (-0.23X) eS :41.20 (-0.56X) TVA TCT 242.7 306 eS :50.80 ( 1.28X) ***** 1991 NOVEMBER 11; 23:06 - SWEETWATER, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911111 230604.6 35.558 84.484 10.0 13 26 84 0.1 C B/C 0.5 -27 0.5 1.7 B 1.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ETT 25.8 174 eP 23:06:09.54 ( 0.15 ) iS 23:06:12.92 ( 0.03 ) TVA GBTN 27.5 64 eP :09.64 ( 0.00 ) eS :12.94 (-0.38 ) TVA BHT 52.7 308 iPd :13.84 ( 0.08 ) eS :20.34 (-0.11 ) TVA WMTN 56.2 232 eP :15.20 ( 0.89X) eS :21.30 (-0.10 ) TVA TKL 65.3 80 eS :23.28 (-0.71X) TVA WSSR 87.9 110 eP :19.50 (-0.04 ) TVA CRTN 91.9 39 eP :20.20 ( 0.12 ) eS :31.35 (-0.04 ) TVA ANTN 95.9 315 P? :20.50 (-0.20 ) S? :32.40 (-0.06 ) TVA BBG 97.5 141 eP :21.26 ( 0.25X) eS :32.70 (-0.29X) TVA ABTN 151.5 284 eS :47.75 ( 0.61 ) ***** 1991 NOVEMBER 15; 08:52 - TELLICO PLAINS, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911115 085213.8 35.344 84.109 6.9 17 32 72 0.1 C C/C 0.5 2 0.4 4.8 C 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ETT 31.5 266 ePc 08:52:18.92 (-0.10 ) eS 08:52:22.96 ( 0.26 ) TVA GBTN 36.9 346 iPc :19.84 (-0.01 ) iS :22.92 (-1.21X) TVA TKL 46.2 41 eP :21.05 (-0.27 ) eS :26.75 ( 0.11 ) TVA WSSR 48.8 98 iPc :21.80 ( 0.05 ) eS :27.46 ( 0.08 ) TVA BBG 58.8 152 iPc :23.28 (-0.05 ) eS :30.20 ( 0.13 ) TVA GMG 74.0 224 eP :25.62 (-0.11 ) eS :35.18 ( 0.99X) TVA WMTN 79.3 263 eS :35.75 ( 0.12 ) TVA CRTN 98.0 14 eP :29.25 (-0.31 ) eS :40.95 ( 0.22 ) TVA ONTN 129.8 347 eS :48.85 (-0.55 ) TVA ANTN 136.9 312 P? :34.90 (-0.87X) S? :52.40 ( 1.06X) TVA PDTN 158.5 268 eS :57.25 ( 0.01 ) TVA ABTN 190.9 289 eS :53:06.50 ( 0.39 ) TVA SLTN 217.0 55 eP :48.45 ( 0.27 ) eS :14.75 ( 1.49X) ***** 1991 NOVEMBER 17; 11:29 - CULLMAN, ALABAMA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911117 112910.8 33.999 87.121 16.8 5 52 298 0.2 D C/D 2.9 -29 1.9 21.3 D 1.9 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA LAL 52.5 338 iP 11:29:19.85 (-0.12 ) iS 11:29:26.70 ( 0.05 ) TVA MSAL 102.7 24 P? :28.56 ( 0.93 ) eS :39.61 (-0.29 ) TVA PWLA 139.1 322 eP :33.52 ( 0.31 ) eS :45.46 (-4.10X) TVA LKGA 166.9 65 S? :30:09.81 TVA PDTN 183.3 39 eS :04.76 ( 3.48X) TVA WMTN 240.8 54 eS :23.41 ( 8.43X) ***** 1991 NOVEMBER 21; 05:09 - TRACY CITY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911121 050942.8 35.298 85.535 10.7 16 29 86 0.2 C B/C 0.6 4 0.4 1.0 A 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA PDTN 28.7 265 eP+ 05:09:48.35 ( 0.32 ) iS 05:09:51.78 (-0.10 ) TVA RCG 39.7 154 eP :49.94 ( 0.14 ) eS :53.60 (-1.33X) TVA WMTN 51.5 96 eP- :51.78 ( 0.06 ) eS :58.08 (-0.18 ) TVA ABTN 83.4 322 ePd :57.03 ( 0.14 ) eS :10:07.43 ( 0.23 ) TVA ETT 98.3 88 eP :10:00.26 ( 1.06X) eS :11.06 (-0.13 ) TVA ANTN 100.8 16 eP :00.00 ( 0.42 ) eS :11.53 (-0.32 ) TVA MSAL 115.2 245 iP :01.63 (-0.13 ) eS :15.53 (-0.10 ) TVA TKL 164.8 75 eS :30.23 ( 1.47X) TVA FDKY 167.2 352 P? :11.13 ( 1.41X) eS :30.23 ( 0.83 ) TVA LAL 190.4 240 eP :13.32 ( 0.04 ) eS :36.08 ( 0.52 ) TVA TCT 198.8 294 eP :15.63 ( 1.07 ) eS :39.53 ( 1.76X) TVA HAKY 221.7 335 eS :45.40 ( 1.58X) TVA MOTN 265.2 304 eP :25.58 ( 2.13X) eS :56.28 ( 3.14X) ***** 1991 NOVEMBER 21; 05:12 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911121 051201.9 35.476 84.350 9.5 36 19 60 0.3 C C/C 0.3 -27 0.2 0.6 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ETT 19.1 210 iPd 05:12:05.78 ( 0.15 ) eS 05:12:08.02 (-0.33 ) TVA GBTN 24.6 31 iPd :06.72 ( 0.25 ) eS :09.96 ( 0.16 ) TVA ORT 48.3 5 iS :16.58 ( 0.11 ) TVA TKL 56.0 69 eP :11.58 (-0.01 ) iS :18.38 (-0.27 ) TVA WMTN 62.0 246 ePd :12.32 (-0.26 ) eS :20.00 (-0.37 ) TVA BHT 67.8 308 iPc :13.66 ( 0.09 ) eS :21.94 (-0.13 ) TVA WSSR 73.5 107 iPc :14.54 ( 0.01 ) eS :22.48 (-1.27X) TVA GMG 74.0 203 eP :14.08 (-0.52 ) eS :22.94 (-0.92X) TVA BBG 82.9 144 iPd :15.94 (-0.14 ) TVA CRTN 92.6 30 eP :17.38 (-0.16 ) eS :28.33 (-0.61 ) TVA RCG 106.5 239 eP :19.84 ( 0.18 ) TVA ANTN 110.9 314 iPd :20.03 (-0.33 ) eS :34.58 ( 0.76 ) TVA ONTN 111.9 356 ePd :20.00 (-0.51 ) eS :33.63 (-0.46 ) TVA RBNC 124.6 96 eS :37.70 ( 0.08 ) TVA PDTN 138.1 261 eP :24.47 (-0.02 ) eS :40.48 (-0.49 ) TVA LKGA 139.4 228 eS :42.08 ( 0.73X) TVA SMTN 145.7 46 eP :26.30 ( 0.61 ) eS :46.72 ( 3.67X) TVA ABTN 165.6 286 eP :28.83 ( 0.12 ) eS :48.23 (-0.03 ) TVA BRTN 165.7 53 P? :30.03 ( 1.29X) eS :48.98 ( 0.65 ) TVA BRBC 189.3 81 eP :33.32 ( 0.84 ) eS :56.04 ( 1.25X) TVA TRYN 192.6 96 eS :56.00 ( 0.50 ) TVA FDKY 195.4 319 eP :33.48 ( 0.22 ) eS :58.88 ( 2.74X) TVA MSAL 222.9 252 eS :13:03.43 ( 0.01 ) TVA SLTN 228.0 61 eP :38.33 ( 0.01 ) eS :05.93 ( 1.04 ) TVA GFM 240.4 72 eP :41.06 ( 1.16 ) eS :08.68 ( 1.05X) TVA BENN 244.1 87 eS :10.42 ( 2.21X) TVA LAL 296.2 248 P? :46.78 ( 0.25 ) eS :22.83 ( 3.73X) TVA MOTN 351.4 292 eS :33.38 ( 2.64X) ***** 1991 NOVEMBER 22; 05:33 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911122 053341.3 35.461 84.274 13.7 9 22 120 0.2 B B/B 1.1 -23 0.4 1.3 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA ETT 22.3 228 iP 05:33:45.90 ( 0.12 ) TVA GBTN 23.4 14 iP :45.80 (-0.12 ) TVA ORT 49.8 357 eS 05:33:56.78 ( 0.34 ) TVA TKL 50.3 64 eP :50.43 ( 0.31 ) iS :56.58 ( 0.00 ) TVA WSSR 66.4 108 iP :53.00 ( 0.30 ) TVA WMTN 67.8 250 eP+ :52.50 (-0.33 ) iS :34:01.38 ( 0.11 ) TVA BHT 74.3 305 iP :54.00 ( 0.13 ) TVA BBG 77.6 147 iP :55.45 ( 1.04X) TVA CRTN 90.8 25 iP :56.73 ( 0.37X) eS :08.68 ( 1.31X) TVA ONTN 114.2 352 eS :14.13 ( 0.53X) TVA ANTN 117.1 313 eP+ :34:00.93 ( 0.54X) eS :14.38 ( 0.04X) TVA BRTN 161.2 52 eS :27.48 ( 1.45X) TVA ABTN 172.7 286 iP :09.98 ( 1.09X) eS :29.78 ( 0.74X) TVA FDKY 201.2 318 eP :14.38 ( 1.14X) eS :38.78 ( 2.20X) TVA SLTN 222.7 60 eS :44.63 ( 2.31X) TVA MSAL 229.0 253 eS :45.23 ( 1.80X) TVA LAL 302.0 249 eP :29.28 ( 3.15X) eS :59.35 ( 0.47X) ***** 1991 NOVEMBER 24; 23:43 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911124 234334.5 35.867 83.865 19.1 6 25 157 0.1 C C/C 1.1 -34 0.9 3.9 C 1.6 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TKL 24.6 160 iP 23:43:39.75 ( 0.00 ) eS 23:43:43.55 ( 0.00 ) TVA CRTN 37.0 3 P? :41.75 ( 0.28 ) eS :46.35 (-0.17 ) TVA GBTN 38.4 235 eP :41.60 (-0.06 ) iS :46.88 ( 0.03 ) ***** 1991 NOVEMBER 25; 07:41 - KNOXVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911125 074106.2 36.117 83.743 13.3 7 13 227 0.1 D C/D 2.0 66 0.4 1.4 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA CRTN 12.7 316 eP 07:41:09.50 ( 0.06 ) iS 07:41:11.75 (-0.02 ) TVA TKL 51.0 183 eP :14.60 (-0.59 ) iS :21.75 ( 0.02 ) TVA GBTN 65.5 220 iS :25.62 (-0.02 ) TVA ETT 108.9 216 eS :37.10 (-0.08 ) TVA WMTN 147.3 229 eS :48.40 ( 1.07 ) ***** 1991 NOVEMBER 25; 20:15 - PIKEVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911125 201551.9 35.458 85.008 6.6 9 23 94 0.2 C B/C 0.7 84 0.4 1.8 B 2.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA WMTN 23.5 172 iP 20:15:56.25 ( 0.04 ) TVA PDTN 79.1 255 eP :16:05.55 ( 0.17 ) eS 20:16:15.15 (-0.06 ) TVA ORT 81.0 52 eP :06.00 ( 0.30 ) eS :16.65 ( 0.89X) TVA ANTN 81.7 346 iP :05.70 (-0.13 ) TVA LKGA 101.8 205 eP :09.20 ( 0.05 ) eS :21.40 (-0.32 ) TVA ABTN 110.4 296 eP+ :11.05 ( 0.62 ) TVA TKL 114.1 78 eP :10.95 (-0.05 ) eS :23.80 (-1.13X) TVA ONTN 124.5 24 eP :12.15 (-0.47X) eS :28.10 ( 0.37X) TVA CRTN 133.8 52 eP :14.25 ( 0.21X) eS :36.65 ( 6.47X) TVA FDKY 163.9 335 eP :19.40 ( 0.78X) S? :39.80 ( 1.69X) TVA MSAL 166.2 246 eP :19.25 ( 0.28X) eS :39.15 ( 0.43X) TVA BRTN 217.4 62 eP :27.35 ( 0.50X) eS :53.90 ( 1.54X) TVA HAKY 231.3 323 eP :29.75 ( 0.84X) eS :57.20 ( 1.29X) TVA TCT 238.1 286 eP :30.30 ( 0.56X) eS :59.20 ( 1.84X) TVA LAL 241.0 243 ePd :30.40 ( 0.29X) eS :59.70 ( 1.71X) TVA SLTN 282.5 66 eP :36.70 ( 1.38X) TVA MOTN 297.7 296 eS :17:14.95 ( 5.00X) ***** 1991 DECEMBER 1; 22:39 - COHUTTA, GEORGIA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911201 223906.7 34.963 84.962 14.7 11 21 79 0.2 B B/B 0.5 -8 0.3 0.6 A 2.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA DALG 21.4 191 P 22:39:11.20 ( 0.08 ) TVA GMG 28.9 113 iPc :12.34 ( 0.07 ) TVA WMTN 31.6 358 iP :12.70 ( 0.08 ) TVA RCG 35.3 272 iPd :13.12 (-0.07 ) eS 22:39:17.76 (-0.18 ) TVA ETT 61.3 49 iPd :17.10 (-0.09 ) eS :25.16 ( 0.30 ) TVA PDTN 87.9 293 iP :21.00 (-0.25 ) iS :32.08 ( 0.20 ) TVA BHT 98.1 1 iPc :23.00 ( 0.15X) TVA GBTN 103.7 41 iPc :23.42 (-0.24X) eS :36.04 (-0.01X) TVA BBG 105.6 95 iPd :23.94 (-0.11X) iS :36.16 (-0.57X) TVA WSSR 130.9 74 iPd :27.84 (-0.08X) eS :43.76 ( 0.34X) TVA TKL 132.7 54 eP :28.00 (-0.11X) eS :44.50 ( 0.75X) TVA CRTN 170.8 36 iP :33.90 (-0.04X) eS :54.70 ( 0.85X) TVA RBNC 185.3 76 eP :36.30 ( 0.01X) eS :58.86 ( 0.96X) TVA FDKY 216.2 340 eP- :41.10 ( 0.21X) eS :40:06.20 ( 0.34X) TVA RICH 221.6 61 iPc :42.48 ( 0.80X) eS :09.14 ( 1.90X) TVA LAL 225.3 256 eP :41.50 (-0.55 ) eS :08.50 ( 0.63 ) TVA TRYN 249.9 81 iPc :46.12 ( 0.99X) eS :15.66 ( 2.46X) TVA BRBC 258.0 70 iPc :47.20 ( 0.94X) eS :18.98 ( 3.82X) TVA HAKY 279.1 329 eP :49.00 ( 0.39X) eS :20.50 ( 1.27X) TVA SLTN 305.1 57 eP :52.00 ( 0.07X) eS :28.00 ( 3.04X) TVA BENN 307.7 77 eS :31.56 ( 6.14X) TVA MOTN 329.4 305 eS :31.20 ( 1.35X) ***** 1991 DECEMBER 3; 15:15 - MADISONVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911203 151520.6 35.584 84.108 10.0 12 13 65 0.2 B B/B 1.0 -7 0.6 1.8 B 1.3 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 13.0 314 iPc 15:15:23.56 ( 0.06 ) iS 15:15:25.48 (-0.11 ) TVA TKL 31.4 75 eP :26.42 ( 0.11 ) eS :30.58 ( 0.14 ) TVA ETT 42.6 228 iPd :28.16 ( 0.01 ) TVA WSSR 58.9 125 eP :31.22 ( 0.34 ) eS :37.90 (-0.45 ) TVA CRTN 72.5 19 eS :41.82 (-0.29 ) TVA BBG 83.3 161 eS :45.24 (-0.05 ) TVA WMTN 87.0 245 eS :45.77 (-0.33 ) TVA GMG 95.0 213 eS :48.36 ( 0.02 ) TVA ABTN 184.1 281 eS :16:12.67 ( 0.84 ) ***** 1991 DECEMBER 5; 16:10 - LOUDON, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911205 161030.8 35.583 84.118 12.0 13 12 67 0.2 B B/B 0.4 -40 0.3 0.8 A 2.2 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 12.4 318 iPc 16:10:33.84 ( 0.04 ) eS 16:10:35.86 (-0.13 ) TVA TKL 32.3 75 eP :36.66 (-0.03 ) eS :40.76 (-0.24 ) TVA ETT 41.8 227 iPc :38.34 ( 0.10 ) iS :43.40 (-0.26 ) TVA WSSR 59.6 124 iPd :41.30 ( 0.11 ) TVA CRTN 72.9 20 eP :43.50 ( 0.26 ) eS :52.10 (-0.22 ) TVA BBG 83.5 160 iPd :45.00 ( 0.05 ) eS :55.08 (-0.20 ) TVA GMG 94.4 212 eP :47.08 ( 0.48X) TVA ANTN 119.9 303 eP :50.50 ( 0.05 ) eS :11:05.60 ( 0.81X) TVA PDTN 160.9 258 eS :16.40 ( 0.77 ) TVA ABTN 183.2 281 S? :23.10 ( 1.57X) TVA SLTN 203.8 62 eP :11:03.75 ( 0.38X) eS :28.27 ( 1.13X) ***** 1991 DECEMBER 6; 04:39 - WAYNESVILLE, NORTH CAROLINA ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911206 043933.3 35.490 82.926 5.3 18 16 89 0.1 C B/C 0.6 -31 0.4 2.2 B 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA RBNC 15.7 200 iPd 04:39:35.98 (-0.02 ) iS 04:39:38.04 ( 0.09 ) TVA RICH 48.6 11 eP :41.08 (-0.01 ) eS :46.62 (-0.03 ) TVA WSSR 63.7 249 iPd :43.34 (-0.16 ) eS :51.10 ( 0.32 ) TVA BRBC 64.2 64 eP :43.48 (-0.11 ) eS :51.26 ( 0.33 ) TVA TRYN 66.6 112 eP :43.98 ( 0.03 ) eS :51.68 ( 0.13 ) TVA TKL 79.1 284 eP :45.80 (-0.14 ) eS :55.00 ( 0.05 ) TVA BRTN 96.3 3 eS :40:01.86 ( 2.21X) TVA BBG 105.7 230 eP :50.42 ( 0.23 ) eS :04.00 ( 1.78X) TVA CRTN 114.1 314 eP :51.76 ( 0.22 ) eS :05.56 ( 1.04X) TVA BENN 115.0 85 eP :54.70 ( 3.01X) TVA SLTN 128.3 34 eP :53.76 (-0.05 ) eS :10.51 ( 2.11X) TVA ETT 140.1 263 eP :57.04 ( 1.36X) eS :12.16 ( 0.55 ) TVA ONTN 175.6 309 eP :40:02.56 ( 1.20X) eS :22.41 ( 1.10X) TVA ANTN 221.6 291 eP :08.31 ( 0.05 ) eS :35.06 ( 1.16X) TVA PDTN 266.7 266 eS :46.66 ( 2.81X) TVA ABTN 291.4 280 eP :17.96 ( 1.11 ) eS :50.81 ( 1.56X) ***** 1991 DECEMBER 10; 22:09 - PIKEVILLE, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911210 220953.7 35.542 85.193 10.5 18 38 65 0.2 C B/C 0.4 -31 0.3 1.0 A 2.5 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA WMTN 38.2 148 iP 22:10:00.60 ( 0.10 ) TVA PDTN 66.6 244 iP :05.15 (-0.01 ) iS 22:10:13.50 (-0.01 ) TVA ANTN 70.0 357 iP :05.65 (-0.09 ) TVA ORT 90.2 63 P? :09.90 ( 1.00X) S? :20.50 ( 0.52 ) TVA ABTN 91.2 295 iPc :09.25 ( 0.18 ) TVA LKGA 105.0 194 P? :10.65 (-0.55 ) S? :23.35 (-0.60 ) TVA TKL 129.3 84 eS :30.50 ( 0.17 ) TVA CRTN 142.3 59 eP :16.85 (-0.05 ) eS :33.00 (-0.82 ) TVA FDKY 148.7 339 eP :77.05 (-0.81 ) eS :37.00 ( 1.52X) TVA MSAL 155.3 241 eP- :18.60 (-0.27 ) iS :37.40 ( 0.18 ) TVA HAKY 213.9 325 eP :27.95 ( 0.12 ) eS :53.45 ( 0.72 ) TVA LAL 230.9 239 eP :29.70 (-0.55 ) eS :52.75 (-4.17X) TVA MOTN 278.5 296 eP :37.00 ( 0.95 ) eS :11:03.15 (-3.81X) ***** 1991 DECEMBER 14; 02:15 - LENOIR CITY, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911214 021550.4 35.760 84.242 15.3 13 11 73 0.1 B B/A 0.5 -82 0.4 0.9 A 1.8 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA GBTN 10.8 165 iPc 02:15:53.66 ( 0.01 ) eS 02:15:55.86 (-0.14 ) TVA ORT 17.5 341 iP :54.49 ( 0.09 ) iS :57.25 (-0.05 ) TVA TKL 43.8 105 iPd :58.30 ( 0.06 ) iS :16:03.84 (-0.10 ) TVA ETT 51.9 202 iPd :59.40 (-0.09 ) iS :05.94 (-0.17 ) TVA CRTN 60.7 36 eP :16:00.83 (-0.01 ) eS :08.18 (-0.26 ) TVA WSSR 80.6 131 iPc :04.14 ( 0.19 ) TVA ONTN 82.1 347 eS :14.18 ( 0.08 ) TVA ABTN 169.3 275 eP :17.95 ( 0.49 ) eS :38.23 ( 1.04X) ***** 1991 DECEMBER 22; 02:56 - CALHOUN, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911222 025610.8 35.364 84.781 11.8 12 18 72 0.1 B A/B 0.3 -39 0.2 0.5 A 2.0 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA TQTN 17.6 16 eP 02:56:14.60 ( 0.19 ) iS 02:56:17.10 ( 0.03 ) TVA WMTN 21.7 234 iPd :15.10 ( 0.08 ) iS :18.05 (-0.08 ) TVA ETT 29.9 98 eP :16.48 ( 0.19 ) iS :20.36 ( 0.03 ) TVA GMG 56.5 170 eP :20.64 ( 0.02 ) TVA GBTN 61.6 57 iPd :21.16 (-0.24 ) TVA ANTN 98.4 336 ePc :27.10 (-0.04 ) eS :39.25 ( 0.15 ) TVA LKGA 103.6 218 eP :28.15 ( 0.21X) TVA BBG 103.8 121 iPd :28.22 ( 0.20X) TVA WSSR 109.8 95 eP :29.30 ( 0.36X) TVA ONTN 127.7 14 eS :46.50 (-0.35X) TVA ABTN 133.5 296 ePd :32.55 ( 0.06 ) iS :48.40 ( 0.04 ) TVA FDKY 182.7 330 S? :57:04.05 ( 2.68X) TVA LAL 255.3 247 eS :22.20 ( 3.35X) ***** 1991 DECEMBER 27; 20:01 - CLEVELAND, TENNESSEE ***** SRCE DATE HRMN SEC LAT-N LON-W DEPTH PH DMN GAP RMS Q SQD ERH1 AZ ERH2 ERZ Q MN MD MAGT I TVA 911227 200103.7 35.208 84.760 17.1 7 20 123 0.0 B B/B 0.9 -19 0.5 2.0 B 1.7 SRCE STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TVA WMTN 19.9 283 ePc 20:01:08.05 (-0.05 ) iS 20:01:11.35 ( 0.01 ) TVA ETT 30.7 65 ePc :09.60 ( 0.02 ) eS :13.88 (-0.02 ) TVA GMG 39.1 168 iPc :10.88 ( 0.01 ) TVA ABTN 143.6 302 eP :26.40 (-0.36 ) eS :43.70 ( 0.08 ) MAILING LIST