BULLETIN NUMBER 22 TABLE OF CONTENTS PAGE SOUTHEASTERN U. S. EARTHQUAKES: JANUARY THROUGH JUNE 1988.................. 1 Acknowledgments............................................................ 2 References................................................................. 2 SEUSSN EARTHQUAKE CATALOG STATISTICS....................................... 7 SEUSSN Report Period/Cumulative Earthquake Catalog Statistics.............. 7 Focal Depth Distributions.................................................. 8 Completeness Estimates, Magnitude Distributions, and Recurrence Relations................................................... 9 HYPOCENTRAL PARAMETERS, MAGNITUDES, AND ARRIVAL TIMES FOR SOUTHEASTERN U.S. EARTHQUAKES: JANUARY THROUGH JUNE 1988................ 11 HYPOCENTRAL PARAMETERS, MAGNITUDES, AND ARRIVAL TIMES FOR RESERVOIR ASSOCIATED SEISMICITY: JANUARY THROUGH JUNE 1988.............. 61 Appendix A. Definitions and Operator Listing.............................. 63 Appendix B. Seismic Stations Operating During Report Period............... 65 Appendix C. Errata and Addenda............................................ 71 Appendix D. Excerpts from "Earthquakes Recorded by the South Carolina Seismic Network (1974-1986)" by Shedlock (1987)............................ 73 Appendix E. Excerpts from "A Procedure for Calibrating Short-Period Telemetered Seismograph System" by Chapman et al. (1988)................... 87 MAILING LIST............................................................... 89 FIGURES 1. Earthquake Epicenter Map for the Report Period........................ 3 2. Earthquake Epicenter Map for the Report Period (Scaled to Magnitude).. 4 3. Earthquake Epicenter Map for the Period from July 1977 through June 1988........................................................... 5 4. Earthquake Epicenter Map for the Period from July 1977 through June 1988 (Scaled to Magnitude, M ge 3.0)........................... 6 5. Focal Depth Distribution of Southeastern U.S. Earthquakes............. 8 6. Magnitude Distribution of Southeastern U.S. Earthquakes............... 9 7. Magnitude Recurrence Relation For The Southeastern U. S............... 10 8. Seismic Stations Operating During Report Period....................... 67 9. Georgia Tech - Geological Survey Of Alabama Seismic Network........... 68 10. South Carolina Seismic Network........................................ 68 11. Center for Earthquake Research and Information - Southern Appalachian Regional Seismic Network................................ 69 12. Tennessee Valley Authority Seismic Network............................ 69 13. Virginia Tech Seismic Network......................................... 70 TABLES 1. SEUSSN Report Period/Cumulative Earthquake Catalog Statistics......... 7 2. Estimates Of Completeness For The Southeastern U. S................... 9 SOUTHEASTERN U. S. EARTHQUAKES: JANUARY THROUGH JUNE 1988 There were 91 earthquakes (0.0 le M le 3.5) located within the SEUSSN monitoring area during the first six months of 1988. Of those, three in Tennessee (9 January at 00:16, MDB= 2.9; 9 January at 01:07, MDB= 3.2, MMI= IV; 16 February, mb(Lg)= 3.3, MDB= 3.3, MMI= IV), two in South Carolina (23 January, MDL= 3.3, MMI= V; 17 February, mb(Lg)= 2.5, MDL= 2.4), and one in North Carolina (18 February, mb(Lg)= 3.5, MDB= 3.3, MMI= IV) were felt. Southeastern Tennessee continues to have the highest level of seismic activity within the region. Earthquakes reported include 4 in Alabama, 9 in Georgia, 1 in Kentucky, 3 in North Carolina, 9 in South Carolina, 64 in Tennessee, and 1 in Virginia. The average rate of 15 M ge 0.0 shocks, per month for this report period is 2.5 times the 11 year rate of six per month. However, this may be a result of the relative completeness of reporting for this six month period versus the entire 11 year history of the SEUSSN catalog. For example, the average rate of M ge 2.5 shocks (1.2 per month) for this report period is identical to the 11 year rate. Figures 1 and 2 are epicenter maps of tectonic events (M ge 0) located within the region during the report period. Figures 3 and 4 are cumulative epicenter maps for the 11 year period from July 1977 through June 1988 (SEUSSN Bulletins 1 through 22). The SEUSSN earthquake statistics section includes general catalog statistics (page 7), focal depth distribution plots (page 8), magnitude distribution plots (page 9), estimates of catalog completeness (page 9), and a magnitude recurrence relation (page 10). The largest earthquake for the report period was an mb(Lg)= 3.5 event (18 February) that was felt (epicentral MMI= IV) in North Carolina. Other events of interest were the earthquake of 9 January at 01:07 (MMI= IV, felt in North Carolina and Tennessee) that was preceded by five foreshocks (one felt) and was followed by four aftershocks all within a 24-hour period. Additionally, the Bristol, Tennessee/Virginia, earthquake of 16 February was followed by two aftershocks. There were five reservoir related earthquakes (0.0 le M le 2.0) during the first six months of 1988, none of which was felt. Appendix D contains excerpts from Shedlock (1987). Shedlock provides relocations and focal mechanisms for 74 earthquakes (for 1924-1986) in the South Carolina area. Appendix E contains excerpts from Chapman et al. (1988). The Appendix includes the abstract from the paper and the calibration curve for digital recordings of the Virginia Tech Seismological Observatory seismic network. 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 outlined area in the SEUSSN stations map). Acknowledgments This report is the twenty-second semiannual BULLETIN OF SEISMICITY OF THE SOUTHEASTERN UNITED STATES and covers the period from January through June, 1988. The organizations supplying data for this Bulletin are the Baptist College at Charleston, Delaware Geological Survey, the E. I. DuPont de Nemours and Company, Inc. (Savannah River Laboratory), 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, and Virginia Polytechnic Institute and State University (Seismological Observatory). 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, 1988, Magnitude recurrence relations for the southeastern United States - Regional, provincial, and zonal, Seismological Research Letters, 59, p. 14 (Abstract). 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, in press. 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 (Open Circles) for Earthquakes (M ge 0.0) in the Southeastern United States from January through June 1988. FIGURE 2. Epicenters (Open Circles - Scaled to Event Magnitude) for Earthquakes (M ge 0.0) in the Southeastern United States from January through June 1988. FIGURE 3. Epicenters (Open Circles) for Earthquakes (M ge 0.0) in the Southeastern United States from July 1977 through June 1988. FIGURE 4. Epicenters (Open Circles - Scaled to Event Magnitude) for Earthquakes (M ge 3.0) in the Southeastern United States from July 1977 through June 1988. SEUSSN EARTHQUAKE CATALOG STATISTICS TABLE 1 SEUSSN Report Period/Cumulative Earthquake Catalog Statistics Period: January through June 1988 (0.5 years) Tectonic Reservoir Number of Earthquakes with M ge 0.0 ......................... 91 5 Number of Earthquakes with M ge 2.5 ......................... 7 0 Number of Earthquakes with M ge 3.5 ......................... 1 0 Number of Felt Earthquakes................................... 6 0 Rate of Earthquakes with M ge 0.0 (per year)................. 182 10 Rate of Earthquakes with M ge 2.5 (per year)................. 14 0.0 Rate of Earthquakes with M ge 3.5 (per year)................. 2.0 0.0 Rate of Felt Earthquakes (per year).......................... 12 0.0 Mean Earthquake Magnitude.................................... 1.4 1.5 Median Earthquake Magnitude.................................. 1.4 1.4 Number of Earthquakes with Known Dmin le 5.0 km.............. 10 4 Number of Earthquakes with Known Dmin le 10.0 km............. 16 4 Number of Earthquakes with Known Dmin le 25.0 km............. 61 5 Number of Earthquakes with Known ERH le 5.0 km............... 88 5 Number of Earthquakes with Known ERZ le 5.0 km............... 67 2 Number of Blasts or Poorly Located Events Reported........... 3 Number of Events Outside the SEUSSN Area Reported............ 0 Number of Seismograph Stations Operating..................... 127 Largest Earthquake...........: 18 February 1988; 00:37 - Almond, NC br mb(Lg)= 3.5, MDB= 3.3, MMI= IV Period: July 1977 through June 1988 (11 years) Tectonic Reservoir Number of Earthquakes with M ge 0.0 ......................... 806 656 Number of Earthquakes with M ge 2.5 ......................... 151 55 Number of Earthquakes with M ge 3.5 ......................... 17 1 Number of Felt Earthquakes................................... 101 9 Rate of Earthquakes with M ge 0.0 (per year)................. 73 60 Rate of Earthquakes with M ge 2.5 (per year)................. 14 5.0 Rate of Earthquakes with M ge 3.5 (per year)................. 1.5 0.1 Rate of Felt Earthquakes (per year).......................... 9.2 0.8 Mean Earthquake Magnitude.................................... 1.7 1.4 Median Earthquake Magnitude.................................. 1.7 1.4 Number of Earthquakes with Known Dmin le 5.0 km.............. 69 60 Number of Earthquakes with Known Dmin le 10.0 km............. 154 91 Number of Earthquakes with Known Dmin le 25.0 km............. 471 122 Number of Earthquakes with Known ERH le 5.0 km............... 699 153 Number of Earthquakes with Known ERZ le 5.0 km............... 586 109 Number of Blasts or Poorly Located Events Reported........... 175 Number of Events Outside the SEUSSN Area Reported............ 13 Largest Earthquake............: 27 July 1980; 18:52 - Sharpsburg, KY mb = 5.2, MMI = VII FIGURE 5. Focal Depth Distribution of Southeastern U.S. Earthquakes. The upper half of the figure shows the interval (left) and cumulative (right) depth distributions for the report period while the lower half of the figure is a similar display for earthquakes reported during the period from July 1977 through June 1988 (M ge 0.0, ERZ le 5.0 km, and free depth determination). 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. COMPLETENESS ESTIMATES, MAGNITUDE DISTRIBUTIONS, AND RECURRENCE RELATIONS TABLE 2 Completeness Estimates (Years) By Magnitude For The Southeastern U. S. And Subregions (Source: Bollinger and Others, 1988, 1989) MAGNITUDE.......... 2.25 2.75 3.25 3.75 4.25 4.75 5.25 5.75 6.25 6.75 Southeastern U.S. . 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 the entire catalog. 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 (Source: Bollinger and others, 1988, 1989). HYPOCENTRAL PARAMETERS, MAGNITUDES, AND ARRIVAL TIMES FOR SOUTHEASTERN U. S. EARTHQUAKES: JANUARY THROUGH JUNE 1988 Events are listed chronologically (this also applies to multiple hypocenter locations for the same event). All times are Universal Time. Most entries in the listing are self-explanatory. Items that might require further explanation are defined in Appendix A. ***** 3 JANUARY 1988; 22:47 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 22:47:21.40 LAT= 35.046N LON= 84.507W DEP= 11.7 KM MDB= 0.3 NO= 4, GAP= 208 DEG, RMS= 0.15 SEC, SDOT= 1.04 SEC, Q= D, SQD= C/D ERHMAX= 2.3 KM, AZ= -65 DEG; ERHMIN= 1.3 KM; ERZ= 18.1 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 25.2 216 eP 22:47:26.18 (-0.06 ) ETT 31.4 9 iP :27.35 ( 0.18 ) eS 22:47:31.15 (-0.23 ) BBG 66.3 106 eS :41.30 ( 0.04 ) ***** 4 JANUARY 1988; 05:57 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 05:57:30.22 LAT= 35.004N LON= 84.345W DEP= 7.8 KM MDB= 0.6 NO= 4, GAP= 360 DEG, RMS= 0.12 SEC, SDOT= 1.02 SEC, Q= D, SQD= C/D ERHMAX= 2.1 KM, AZ= 68 DEG; ERHMIN= 1.5 KM; ERZ= 48.5 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 33.6 242 eS 05:57:40.58 (-0.05 ) ETT 37.1 344 iP 05:57:36.90 ( 0.13 ) iS :41.42 (-0.13 ) BBG 50.9 106 eS :45.50 (-0.08 ) ***** 7 JANUARY 1988; 13:02 - EASTERN GEORGIA ***** *TVA Possible earthquake *CERI OT= 13:02:24.68 LAT= 33.967N LON= 82.641W DEP= 14.7 KM MDB= 1.6 NO= 14, GAP= 287 DEG, RMS= 0.32 SEC, SDOT= 10.00 SEC, Q= D, SQD= C/D ERHMAX= 2.0 KM, AZ= -16 DEG; ERHMIN= 1.0 KM; ERZ= 99.0 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BBG 147.3 313 eP 13:02:48.05 (-0.39 ) eS 13:03:05.70 (-0.08 ) TRYN 148.7 14 eP :49.03 ( 0.42 ) eS :05.75 (-0.34 ) RBNC 157.5 349 eP :50.13 ( 0.10 ) eS :08.92 ( 0.38 ) BENN 198.7 27 eP :55.70 (-0.56 ) eS :19.10 (-0.22 ) BRBC 199.3 9 eP :57.13 ( 0.68 ) eS :19.57 (-0.07 ) GMG 211.4 299 eS :23.10 ( 0.38 ) TKL 214.4 331 eP :59.40 ( 0.78 ) eS :22.80 (-0.59 ) ETT 224.5 313 eS :25.50 (-0.61 ) ***** 8 JANUARY 1988; 23:27 - TELLICO PLAINS, TENNESSEE ***** *TVA Foreshock to 1/9/88, 01:07Z event *CERI OT= 23:27:51.52 LAT= 35.282N LON= 84.183W DEP= 11.4 KM MDB= 1.2 NO= 16, GAP= 299 DEG, RMS= 0.24 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/D ERHMAX= 0.7 KM, AZ= -44 DEG; ERHMIN= 0.5 KM; ERZ= 1.2 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.2 281 eP 23:27:56.62 ( 0.33 ) iS 23:27:59.65 (-0.12 ) DCT 33.2 220 P :57.83 ( 0.28 ) S :28:01.89 (-0.06 ) RCT 44.0 279 S :04.83 (-0.09 ) TQTN 55.7 298 eS :07.75 (-0.49 ) TKL 55.8 42 eS :08.19 (-0.09 ) BBG 56.6 143 eS :07.80 (-0.81 ) GMG 64.3 224 eP :28:02.51 (-0.14 ) eS :10.57 (-0.21 ) WMTN 72.0 267 P? :03.70 (-0.16 ) eS :13.00 ( 0.14 ) CRTN 106.4 17 eS :22.04 ( 0.04 ) CPO 131.2 286 eS :28.24 (-0.34 ) SMTN 151.9 36 eS :34.60 ( 0.51 ) ABTN 187.0 292 eS :43.56 ( 0.24 ) ----- *TVA OT= 23:27:51.62 LAT= 35.285N LON= 84.188W DEP= 11.3 KM MDB= 1.3 NO= 15, GAP= 299 DEG, RMS= 0.22 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/D ERHMAX= 0.7 KM, AZ= -47 DEG; ERHMIN= 0.5 KM; ERZ= 1.1 KM; Q= A 11 Stations Used: ETT (Dmin= 24.7 km), DCT, RCT, TQTN, TKL, GMG, WMTN, CRTN, CPO, SMTN, and ABTN See CERI listing for arrival time data ----- *GIT OT= 23:27:52.4 LAT= 35.275N LON= 84.216W DEP= 12.0 KM MDB= 1.5 ERHMAX= 0.2 KM, AZ= -78 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM 3 Stations Used (NO= 5): ETT (Dmin= 22.5 km), DCT, and RCT See CERI listing for arrival time data ***** 8 JANUARY 1988; 23:47 - TELLICO PLAINS, TENNESSEE ***** *TVA Foreshock to 1/9/88, 01:07Z event *NEIS OT= 23:47:09.99 LAT= 35.279N LON= 84.182W DEP= 10.0 MD= 2.3 NO= 5 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.6 282 eP 23:47:14.97 ( 0.1 ) TKL 55.6 41 eP :19.60 (- 0.6 ) eS 23:47:26.62 BBG 56.7 143 eP :20.13 (- 0.2 ) eS :26.53 GMG 64.5 224 eP :21.00 (- 0.8 ) eS :29.08 RSCP 132.3 286 ePg :31.00 (- 1.2 ) ----- *CERI OT= 23:47:10.01 LAT= 35.290N LON= 84.203W DEP= 15.0 KM MDB= 2.3 NO= 47, GAP= 75 DEG, RMS= 0.25 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= -38 DEG; ERHMIN= 0.3 KM; ERZ= 1.6 KM; Q= B 27 Stations Used: ETT (Dmin= 23.3 km), DCT, CBT, RCT, TQTN, TKL, BBG, GMG, RHT, WMTN, CDG, BHT, CRTN, RCG, RBNC, CPO, ONTN, ANTN, LKGA, TVG, RICH, SMTN, CCVA, BRTN, TRYN, BRBC, and ABTN See TVA listing for arrival time data ----- *TVA OT= 23:47:10.01 LAT= 35.287N LON= 84.202W DEP= 12.9 KM MDB= 2.2 NO= 52, GAP= 76 DEG, RMS= 0.28 SEC, SDOT= 0.06 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= -32 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.4 281 iPd 23:47:14.97 ( 0.35 ) iS 23:47:17.98 (-0.01 ) DCT 32.5 218 P- :16.06 ( 0.05 ) CBT 34.3 325 P- :16.50 ( 0.22 ) S :20.82 (-0.03 ) RCT 42.2 279 P- :17.74 ( 0.21 ) S :22.66 (-0.35 ) TQTN 53.9 298 eP- :19.40 (-0.02 ) iS :25.76 (-0.52 ) TKL 56.6 43 eP+ :19.60 (-0.26 ) iS :26.62 (-0.42 ) BBG 58.1 142 ePc :20.13 (-0.03 ) eS :26.53 (-1.04X) GMG 63.5 222 eP :21.00 (-0.03 ) iS :29.08 ( 0.01 ) RHT 66.1 250 P- :21.47 ( 0.12 ) S :29.14 (-0.49 ) WMTN 70.3 267 eP :21.71 (-0.29 ) eS :30.55 (-0.19 ) HPKT 76.7 22 eS :31.40 (-1.03X) CDG 86.3 210 S :34.42 (-0.57 ) BHT 91.6 313 eS :36.90 ( 0.43 ) CRTN 106.4 18 eP- :27.45 (-0.09 ) eS :40.06 (-0.28 ) RCG 110.0 252 eP :28.30 ( 0.21 ) RBNC 110.9 86 ePd :28.32 (-0.02 ) eS :41.38 (-0.34 ) CPO 129.4 286 eP :31.28 ( 0.22 ) eS :46.57 ( 0.14 ) ONTN 134.3 351 eP+ :31.52 (-0.31 ) eS :47.60 (-0.15 ) ANTN 135.3 317 eP :32.03 ( 0.06 ) eS :48.44 ( 0.44 ) LKGA 137.4 238 eP+ :32.10 (-0.20 ) eS :48.82 ( 0.26 ) TVG 142.5 225 P- :33.64 ( 0.59 ) S :49.94 ( 0.07 ) RICH 143.6 60 eP :33.83 ( 0.55 ) SMTN 152.5 37 eP :35.30 ( 0.68 ) eS :53.05 ( 0.46 ) CCVA 153.8 18 eS :53.10 ( 0.21 ) BRTN 169.2 45 eP :37.70 ( 0.53 ) iS :57.87 ( 0.88 ) TRYN 178.0 90 eP :38.90 ( 0.36 ) BRBC 180.9 73 eP :39.38 ( 0.30 ) eS :59.15 (-1.15 ) ABTN 185.1 292 eP :39.89 ( 0.31 ) iS :48:02.01 ( 0.84 ) FDKY 220.0 320 eP+ :45.43 ( 0.51 ) eS :11.37 ( 0.97 ) SLTN 227.6 55 eP :46.38 ( 0.54 ) eS :12.89 ( 0.89 ) BENN 232.8 82 eP :47.25 ( 0.68 ) SHTN 266.7 275 eP+ :51.62 ( 0.97 ) eS :22.36 ( 2.05X) ----- *GIT OT= 23:47:10.9 LAT= 35.259N LON= 84.243W DEP= 10.0FXD KM MDB= 2.1 ERHMAX= 0.4 KM, AZ= -89 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.4 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 20.6 291 P 23:47:14.97 ( 0.12 ) S 23:47:17.98 ( 0.31 ) DCT 27.8 215 P :16.06 ( 0.10 ) CBT 35.1 333 P :16.50 (-0.62 ) S :20.82 (-0.76 ) RCT 39.2 284 P :17.74 (-0.04 ) S :22.66 (-0.07 ) BBG 58.2 137 P :20.13 (-0.71 ) RHT 61.6 251 P :21.47 ( 0.07 ) S :29.14 ( 0.15 ) CDG 81.7 208 S :34.32 (-0.30 ) TVG 138.0 225 P :33.64 (-0.15 ) S :49.94 (-0.52 ) ***** 9 JANUARY 1988; 00:03 - TELLICO PLAINS, TENNESSEE ***** *TVA Foreshock to 1/9/88, 01:07Z event *CERI OT= 00:03:28.67 LAT= 35.282N LON= 84.187W DEP= 15.2 KM MDB= 1.1 NO= 17, GAP= 101 DEG, RMS= 0.23 SEC, SDOT= 0.10 SEC, Q= B, SQD= B/B ERHMAX= 0.5 KM, AZ= -59 DEG; ERHMIN= 0.5 KM; ERZ= 2.7 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.9 281 iPd 00:03:33.80 ( 0.14 ) iS 00:03:37.00 (-0.30 ) DCT 33.0 220 P :35.11 ( 0.27 ) S :39.50 ( 0.15 ) CBT 35.6 323 P :35.13 (-0.10 ) S :39.90 (-0.12 ) RCT 43.7 279 P- :36.73 ( 0.27 ) S :42.18 ( 0.04 ) TQTN 55.5 298 eS :45.06 (-0.19 ) TKL 56.1 42 eP :38.35 ( 0.00 ) eS :45.50 ( 0.08 ) BBG 56.7 143 eP :37.80 (-0.75 ) eS :45.20 (-0.55 ) GMG 64.1 224 eS :47.51 (-0.15 ) RHT 67.3 251 P :39.45 (-0.61X) WMTN 71.7 267 eS :49.88 ( 0.32 ) CRTN 106.6 17 eS :59.58 ( 0.77 ) SMTN 152.1 36 eS :04:11.50 ( 0.55X) ABTN 186.7 292 eS :21.06 ( 1.02 ) ----- *TVA OT= 00:03:28.98 LAT= 35.292N LON= 84.188W DEP= 11.0 KM MDB= 1.2 NO= 15, GAP= 176 DEG, RMS= 0.15 SEC, SDOT= 0.10 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -55 DEG; ERHMIN= 0.4 KM; ERZ= 1.7 KM; Q= B 10 Stations Used: ETT (Dmin= 24.6 km), DCT, CBT, RCT, TQTN, TKL, WMTN, CRTN, SMTN, and ABTN See CERI listing for arrival time data ----- *GIT OT= 00:03:29.3 LAT= 35.287N LON= 84.197W DEP= 13.8 KM MDB= 1.2 ERHMAX= 0.4 KM, AZ= 86 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.4 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.9 281 P 00:03:33.80 ( 0.02 ) S 00:03:37.00 (-0.10 ) DCT 32.8 218 P :35.11 ( 0.02 ) S :39.50 ( 0.12 ) CBT 34.6 324 P :35.13 (-0.23 ) S :39.90 ( 0.06 ) RCT 42.8 279 P :36.73 ( 0.12 ) S :42.18 ( 0.18 ) RHT 66.7 250 P :39.65 (-0.72 ) ***** 9 JANUARY 1988; 00:16 - TELLICO PLAINS, TENNESSEE ***** *NEIS Felt at Etowah, Tennessee, and Unaka, North Carolina *TVA Foreshock to 1/9/88, 01:07Z event; possibly felt *NEIS OT= 00:16:55.40 LAT= 35.274N LON= 84.188W DEP= 9.2 MD= 2.9 NO= 13 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.5 283 iP 00:17:00.27 ( 0.1 ) eS 00:17:03.55 BBG 55.6 142 iP :05.58 (-0.1 ) GMG 63.4 224 iP :06.38 (-0.6 ) eS :13.68 BHT 73.4 313 eP :11.07 (-0.7 ) eS :22.02 RBNC 110.1 85 eP :13.75 (-0.6 ) eS :26.60 RCG 111.2 253 eP :13.80 (-0.6 ) RSCP 132.3 286 eP :16.50 (-1.1 ) RICH 143.4 60 eP :19.20 (-0.2 ) SMTN 153.5 36 eP :20.69 (-0.1 ) eS :38.82 CCVA 154.6 18 eP :20.63 (-0.3 ) eS :38.48 TRYN 174.6 90 eP :24.48 ( 0.9 ) BRBC 180.1 73 eP :26.50 ( 2.1 ) BENN 231.3 81 eP :32.25 ( 1.3 ) ----- *CERI OT= 00:16:55.42 LAT= 35.287N LON= 84.195W DEP= 12.7 KM MDB= 2.9 NO= 51, GAP= 68 DEG, RMS= 0.27 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -38 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.1 281 iPd 00:17:00.27 ( 0.16 ) iS 00:17:03.55 ( 0.01 ) DCT 32.9 219 P- :01.68 ( 0.21 ) S :05.21 (-0.67X) CBT 34.8 324 P- :02.13 ( 0.39 ) S :06.47 ( 0.12 ) RCT 42.9 279 P+ :03.32 ( 0.29 ) S :08.45 (-0.14 ) TQTN 54.6 298 iP+ :04.98 ( 0.06 ) eS :11.40 (-0.45 ) TKL 56.2 43 ePd :05.17 (-0.01 ) iS :11.97 (-0.34 ) BBG 57.6 143 iPc :05.58 ( 0.09 ) eS :11.97 (-0.87 ) GMG 64.0 223 ePc :06.38 (-0.14 ) eS :13.68 (-0.94 ) RHT 66.8 250 P+ :06.93 ( 0.06 ) S :14.67 (-0.56 ) WMTN 71.0 267 ePd :07.37 (-0.15 ) iS :16.12 (-0.24 ) HPKT 76.5 22 iP :08.30 (-0.06 ) iS :17.60 (-0.21 ) CDG 86.7 210 P :10.28 ( 0.36 ) S :20.09 (-0.42 ) BHT 92.2 313 eP :11.07 ( 0.26 ) eS :22.02 (-0.02 ) CRTN 106.3 17 eP- :12.82 (-0.12 ) eS :25.35 (-0.37 ) RBNC 110.2 86 ePd :13.75 ( 0.10 ) eS :26.60 (-0.37 ) RCG 110.7 252 ePd :13.80 ( 0.19 ) CPO 130.1 286 eP- :16.83 ( 0.24 ) iS :32.20 ( 0.16 ) ONTN 134.5 350 iPc :17.19 (-0.08 ) eS :33.21 (-0.01 ) ANTN 135.8 317 eP+ :17.48 ( 0.01 ) eS :33.40 (-0.17 ) LKGA 138.0 238 ePd :17.65 (-0.15 ) eS :34.42 ( 0.27 ) TVG 143.0 225 P :18.62 ( 0.08 ) RICH 143.1 60 ePc :19.20 ( 0.59 ) SMTN 152.1 37 eP :20.69 ( 0.71 ) eS :38.82 ( 0.90 ) CCVA 153.6 18 eP :20.63 ( 0.44 ) eS :38.48 ( 0.21 ) BRTN 168.7 45 eP :22.54 ( 0.03 ) iS :43.35 ( 1.06 ) TRYN 177.3 90 ePd :24.48 ( 0.63 ) BRBC 180.3 73 ePd :24.65 ( 0.25 ) eS :46.32 ( 0.76 ) ABTN 185.8 292 eP :25.38 ( 0.27 ) iS :47.50 ( 0.72 ) FDKY 220.5 320 iPd :30.44 ( 0.03X) eS :57.05 ( 1.10X) SLTN 227.1 55 eP+ :31.70 ( 0.30X) eS :58.31 ( 0.64X) BENN 232.1 82 eP :32.25 ( 0.00X) SHTN 267.4 275 eP :37.14 ( 0.39X) eS :18:08.41 ( 1.48X) PWLA 354.3 266 eP :46.50 (-0.86X) MOTN 372.6 294 P? :51.09 ( 1.49X) eS :31.87 ( 2.72X) ----- *TVA OT= 00:16:55.58 LAT= 35.288N LON= 84.199W DEP= 14.5 KM MDB= 2.8 NO= 56, GAP= 68 DEG, RMS= 0.25 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= -38 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A 33 Stations Used: ETT (Dmin= 23.6 km), DCT, CBT, RCT, TQTN, TKL, BBG, GMG, RHT, WMTN, HPKT, CDG, BHT, CRTN, RCG, RBNC, CPO, ONTN, ANTN, LKGA, TVG, RICH, SMTN, CCVA, BRTN, TRYN, BRBC, ABTN, FDKY, SLTN, BENN, SHTN, PWLA See CERI listing for arrival time data ----- *GIT OT= 00:16:56.5 LAT= 35.271N LON= 84.248W DEP= 11.5 KM MDB= 3.0 ERHMAX= 0.2 KM, AZ= -56 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.1 SQ KM 10 Stations Used (NO= 18): ETT (Dmin= 19.7 km), DCT, CBT, RCT, GMG, RHT, CDG, BHT, RCG, and TVG See CERI listing for arrival time data ***** 9 JANUARY 1988; 00:24 - TELLICO PLAINS, TENNESSEE ***** *TVA Foreshock to 1/9/88, 01:07Z event *CERI OT= 00:24:36.83 LAT= 35.281N LON= 84.183W DEP= 12.1 KM MDB= 1.8 NO= 21, GAP= 101 DEG, RMS= 0.27 SEC, SDOT= 0.08 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -20 DEG; ERHMIN= 0.4 KM; ERZ= 1.1 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.2 281 iPd 00:24:42.07 ( 0.42 ) iS 00:24:45.07 (-0.10 ) DCT 33.1 221 P :43.09 ( 0.21 ) S :46.79 (-0.50X) CBT 35.9 323 P :43.65 ( 0.35X) S :48.23 ( 0.21X) RCT 44.0 279 P :44.86 ( 0.26 ) S :50.28 ( 0.00 ) TQTN 55.8 298 eP :46.72 ( 0.21X) eS :53.13 (-0.44 ) TKL 55.9 41 eP :46.65 ( 0.11 ) eS :53.41 (-0.22 ) BBG 56.5 143 eP :46.50 (-0.20 ) eS :53.50 (-0.40 ) GMG 64.2 224 eP :48.37 ( 0.40 ) iS :56.07 (-0.02 ) WMTN 72.0 267 eP :49.12 ( 0.00 ) eS :57.74 (-0.36 ) HPKT 76.7 21 eS :25:01.45 ( 2.12X) CRTN 106.5 17 eP :54.66 ( 0.23 ) eS :07.50 ( 0.23 ) CPO 131.2 286 eS :13.68 (-0.14 ) LKGA 138.5 239 eS :15.82 ( 0.06 ) SMTN 152.0 36 eP :25:01.70 ( 0.28X) eS :20.50 ( 1.14 ) BRBC 179.5 73 eS :27.20 ( 0.38X) ABTN 187.0 292 eP :07.32 ( 0.58 ) eS :28.95 ( 0.39 ) FDKY 221.6 320 eS :39.50 ( 1.77X) ----- *TVA OT= 00:24:36.89 LAT= 35.280N LON= 84.182W DEP= 10.7 KM MDB= 1.5 NO= 27, GAP= 102 DEG, RMS= 0.28 SEC, SDOT= 0.08 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -29 DEG; ERHMIN= 0.4 KM; ERZ= 1.2 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.4 282 iPd 00:24:42.07 ( 0.42 ) iS 00:24:45.07 (-0.06 ) DCT 33.1 221 P :43.09 ( 0.23 ) S :46.79 (-0.43 ) CBT 36.1 323 P :43.65 ( 0.32 ) S :48.23 ( 0.19 ) RCT 44.2 280 P :44.86 ( 0.21 ) S :50.28 (-0.03 ) TQTN 55.9 298 eP :46.72 ( 0.15 ) eS :53.13 (-0.51 ) TKL 56.0 41 eP :46.57 (-0.02 ) eS :53.44 (-0.23 ) BBG 56.3 143 eP :46.50 (-0.20 ) eS :53.50 (-0.37 ) GMG 64.2 224 eP :48.37 ( 0.38 ) iS :56.07 (-0.02 ) WMTN 72.1 267 eP :49.12 (-0.11 ) eS :57.74 (-0.51 ) HPKT 76.8 21 eS :25:01.45 ( 1.88X) CRTN 106.7 17 eP :54.66 ( 0.07 ) eS :07.50 (-0.01 ) CPO 131.4 286 eS :13.68 (-0.39 ) LKGA 138.5 239 eS :15.82 (-0.15 ) SMTN 152.1 36 eP :25:01.70 ( 0.13 ) eS :20.50 ( 0.92 ) BRBC 179.4 73 eS :27.20 ( 0.19 ) ABTN 187.2 292 eP :07.32 ( 0.42 ) eS :28.95 ( 0.14 ) FDKY 221.8 320 eS :39.50 ( 1.51X) ----- *GIT OT= 00:24:37.9 LAT= 35.276N LON= 84.212W DEP= 10.1 KM MDB= 1.6 ERHMAX= 0.3 KM, AZ= -78 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 5 Stations Used (NO= 10): ETT (Dmin= 22.7 km), DCT, CBT, RCT, and GMG See CERI listing for arrival time data ***** 9 JANUARY 1988; 01:07 - TELLICO PLAINS, TENNESSEE ***** *TVA Mainshock; must have been felt *NEIS Felt (IV) at Cokercreek, Copperhill, Mount Vernon and Tellico Plains, TN. Also felt (IV) at Andrews, Brasstown, Hayesville, Marble and Unaka, NC *GIT OT= 01:07:40.0 LAT= 35.258N LON= 84.169W DEP= 20.2 KM MDB= 3.4 ERHMAX= 0.4 KM, AZ= -68 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.3 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) DCT 32.2 225 P 01:07:46.30 ( 0.10 ) S 01:07:51.00 ( 0.29 ) CBT 38.7 324 P :46.40 (-0.71 ) S :51.40 (-0.90 ) RCT 45.8 282 P :47.90 (-0.25 ) S :54.00 (-0.10 ) TKL 57.0 39 P :50.27 ( 0.45 ) S :57.23 ( 0.24 ) TQTN 58.1 300 P :50.30 ( 0.31 ) RHT 68.1 253 P :51.30 (-0.22 ) S :59.90 (-0.04 ) WMTN 73.2 269 P :52.67 ( 0.36 ) CDG 85.1 213 P :54.00 (-0.15 ) RCG 112.2 254 P :58.92 ( 0.54 ) ONTN 137.9 350 P :08:02.54 ( 0.13 ) S :08:19.20 ( 0.39 ) ----- *CERI OT= 01:07:40.60 LAT= 35.279N LON= 84.199W DEP= 12.2 KM MDB= 3.2 NO= 48, GAP= 69 DEG, RMS= 0.37 SEC, SDOT= 0.07 SEC, Q= C, SQD= C/B ERHMAX= 0.5 KM, AZ= -30 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.9 283 iP 01:07:45.60 ( 0.37 ) eS 01:07:48.97 ( 0.36 ) DCT 32.0 219 P :46.30 (-0.18 ) S :51.00 ( 0.23 ) CBT 35.3 325 P :46.00 (-0.98 ) S :51.00 (-0.63 ) RCT 42.7 280 P :47.90 (-0.26 ) S :54.00 ( 0.32 ) TQTN 54.7 299 iPd :50.30 ( 0.20 ) eS :56.40 (-0.63X) TKL 57.1 42 iP :50.27 (-0.22 ) eS :57.23 (-0.48 ) TKL 57.1 42 iPd :50.28 (-0.21X) iS :56.80 (-0.91X) BBG 57.1 142 iP :50.92 ( 0.35 ) eS :57.37 (-0.49 ) GMG 63.1 223 iP :51.60 ( 0.05 ) eS :59.02 (-0.52 ) RHT 66.1 251 P :51.30 (-0.68 ) S :59.90 (-0.39 ) WMTN 70.6 267 iPd :52.67 ( 0.00 ) HPKT 77.4 22 S-P 9.60 SEC ( 0.03 ) CDG 85.7 210 P :54.00 (-0.98 ) S :08:03.80 (-1.68 ) BHT 92.5 313 iP :56.43 ( 0.36 ) eS :07.10 (-0.26 ) CRTN 107.2 17 eP+ :58.07 (-0.22 ) eS :11.18 (-0.02 ) RCG 110.1 253 iP :58.92 ( 0.20 ) eS :11.42 (-0.53 ) RBNC 110.6 85 iPd :59.13 ( 0.20 ) eS :11.15 (-1.16X) CPO 130.0 287 iPd :08:02.15 ( 0.37 ) eS :17.04 (-0.20 ) ONTN 135.3 351 iPc :02.54 (-0.06 ) iS :19.20 ( 0.54 ) ANTN 136.2 317 iPc :02.84 ( 0.10 ) LKGA 137.2 238 iPd :03.00 ( 0.11 ) eS :20.00 ( 0.83 ) RICH 143.8 60 iP :04.38 ( 0.45 ) eS :21.18 ( 0.21 ) SMTN 153.0 37 iP :05.65 ( 0.32 ) eS :24.08 ( 0.69 ) CCVA 154.6 18 eP :05.95 ( 0.41 ) eS :23.85 ( 0.10 ) BRTN 169.6 45 eP :08.05 ( 0.19 ) eS :29.03 ( 1.28X) TRYN 177.7 90 iPd :09.97 ( 0.85 ) eS :30.43 ( 0.50X) BRBC 180.9 73 iPd :10.02 ( 0.32 ) eS :31.45 ( 0.51 ) ABTN 185.8 292 ePd :10.77 ( 0.46 ) eS :31.80 (-0.20 ) LDV 186.9 132 P :11.20 ( 0.73 ) FDKY 220.9 320 ePc :15.70 ( 0.02X) eS :42.78 ( 1.48X) SLTN 227.9 55 iPd :17.00 ( 0.27X) eS :44.30 ( 1.19X) BENN 232.6 81 iP :17.38 (-0.15X) SHTN 267.1 275 iPc :21.41 (-0.54X) eS :53.55 ( 1.41X) PLVA 314.3 60 iP :26.60 (-1.25X) PWLA 353.9 266 iP :32.05 (-0.49X) ----- *TVA OT= 01:07:40.66 LAT= 35.284N LON= 84.194W DEP= 9.4 KM MDB= 3.4 NO= 60, GAP= 77 DEG, RMS= 0.29 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= -7 DEG; ERHMIN= 0.3 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.2 281 iPd 01:07:45.60 ( 0.43 ) iS 01:07:48.97 ( 0.51 ) DCT 32.7 219 P :46.30 (-0.22 ) S :51.00 ( 0.20 ) CBT 35.0 324 P :46.00 (-0.90X) S :51.00 (-0.45 ) RCT 43.0 279 P :47.90 (-0.30 ) S :54.00 ( 0.30 ) TQTN 54.8 298 iPd :50.30 ( 0.18 ) eS :56.40 (-0.63X) TKL 56.4 42 iPd :50.27 (-0.12 ) iS :57.23 (-0.27 ) BBG 57.3 142 iPc :50.92 ( 0.30 ) iS :57.37 (-0.52 ) GMG 63.8 223 iPd :51.60 (-0.07 ) eS :59.02 (-0.68X) RHT 66.7 250 P :51.30 (-0.79X) S :59.90 (-0.54 ) WMTN 71.0 267 iPd :52.67 (-0.14 ) HPKT 76.7 22 S-P 9.60 SEC ( 0.05 ) CDG 86.4 210 P :54.00 (-1.33X) S :08:03.80 (-2.24X) BHT 92.4 313 ePc :56.43 ( 0.14 ) eS :07.10 (-0.60 ) CRTN 106.5 17 eP+ :58.07 (-0.35 ) eS :11.18 (-0.21 ) RBNC 110.1 85 iPd :59.13 ( 0.03 ) eS :11.15 (-1.40X) RCG 110.6 252 iPd :58.92 (-0.13 ) eS :11.42 (-1.05X) CPO 130.2 286 iPd :08:02.15 ( 0.10 ) eS :17.04 (-0.63 ) ONTN 134.8 350 iPc :02.54 (-0.22 ) iS :19.20 ( 0.30 ) ANTN 136.1 317 iPc :02.84 (-0.12 ) LKGA 137.8 238 iPd :03.00 (-0.23 ) eS :20.00 ( 0.29 ) RICH 143.2 60 ePc :04.38 ( 0.30 ) eS :21.18 ( 0.01 ) SMTN 152.3 37 eP :05.65 ( 0.19 ) eS :24.08 ( 0.51 ) CCVA 153.9 18 eP :05.95 ( 0.27 ) eS :23.85 (-0.09 ) BRTN 168.9 45 eP :08.05 ( 0.06 ) eS :29.03 ( 1.09X) TRYN 177.2 90 ePd :09.67 ( 0.38 ) eS :30.43 ( 0.24 ) BRBC 180.3 73 ePd :10.02 ( 0.17 ) eS :31.45 ( 0.28 ) ABTN 186.0 292 ePd :10.77 ( 0.19 ) eS :31.80 (-0.62 ) LDV 187.0 132 P :11.20 ( 0.48 ) FDKY 220.7 320 ePc :15.70 (-0.20 ) eS :42.78 ( 1.16 ) SLTN 227.2 55 iPd :17.00 ( 0.17 ) eS :44.30 ( 1.06 ) BENN 232.1 82 eP+ :17.38 (-0.15 ) SHTN 267.5 275 iPc :21.41 (-0.37 ) eS :53.55 ( 1.75X) L6KY 298.5 349 ePc :26.10 ( 0.57 ) PLVA 313.7 60 eP :26.60 (-0.96 ) eS :09:01.80 ( 0.01 ) PWLA 354.3 266 eP- :32.05 (-0.33 ) PUV 360.1 57 eP :35.40 ( 2.25X) eS :11.60 ( 0.14 ) PWV 362.7 50 eP :33.70 ( 0.21 ) eS :12.20 ( 0.15 ) NAV 379.7 53 eP :35.20 (-0.34 ) eS :14.50 (-1.10 ) BLA 400.9 57 eP :39.80 ( 1.67X) eS :21.00 ( 0.92 ) VWV 418.4 54 eP :42.10 ( 1.79X) eS :24.60 ( 0.75 ) ----- *NEIS OT= 01:07:40.78 LAT= 35.275N LON= 84.201W DEP= 12.3 MD= 3.3 NO= 16 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.4 284 eP 01:07:45.60 ( 0.0 ) eS 01:07:48.97 BBG 56.7 141 eP :50.92 (- 0.3 ) eS :57.37 TKL 57.8 42 eP :50.27 (- 1.0 ) eS :57.23 GMG 62.3 223 eP :51.60 (- 0.5 ) eS :08:09.02 BHT 92.3 313 eP :56.43 (- 0.3 ) RCG 110.1 253 eP :58.90 (- 0.4 ) eS :11.42 RBNC 111.2 85 eP :59.13 (- 0.5 ) RSCP 131.2 286 ePg :08:02.00 (- 0.6 ) RICH 144.6 60 eP :04.38 (- 0.3 ) eS :21.18 SMTN 153.5 37 eP :05.65 (- 0.2 ) eS :24.08 CCVA 154.6 18 eP :05.95 ( 0.0 ) eS :23.85 TRYN 175.7 90 eP :09.97 ( 1.2 ) eS :30.43 BRBC 181.3 73 eP :10.02 ( 0.5 ) eS :31.45 BENN 232.4 81 eP :17.38 ( 1.2 ) PLVA 314.7 60 eP :26.60 (- 0.1 ) PWLA 353.6 266 eP :32.05 ( 0.5 ) ***** 9 JANUARY 1988; 01:15 - TELLICO PLAINS, TENNESSEE ***** *TVA Aftershock to 1/9/88, 01:07Z event *CERI OT= 01:15:05.26 LAT= 35.295N LON= 84.198W DEP= 8.1 KM MDB= 1.8 NO= 22, GAP= 99 DEG, RMS= 0.22 SEC, SDOT= 0.06 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= -29 DEG; ERHMIN= 0.3 KM; ERZ= 1.5 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.6 278 eP 01:15:09.60 (-0.01 ) eS 01:15:12.50 (-0.29 ) DCT 33.5 217 P :11.71 ( 0.49 ) S :15.99 ( 0.42 ) CBT 33.8 323 P :12.03 ( 0.77X) S :16.59 ( 0.94X) RCT 42.5 278 P :13.00 ( 0.32X) S :18.65 ( 0.56 ) TQTN 53.9 297 eP :15.22 ( 0.67X) eS :21.27 (-0.06 ) TKL 55.7 44 eP+ :14.96 ( 0.11 ) eS :21.78 (-0.08 ) TKL 55.7 44 eP :14.70 (-0.15 ) eS :21.84 (-0.02 ) BBG 58.5 143 ePd :15.40 ( 0.01 ) eS :22.40 (-0.38 ) GMG 64.5 222 eP :16.02 (-0.35 ) eS :24.32 (-0.16 ) WMTN 70.7 266 eS :26.06 (-0.12 ) HPKT 75.7 22 eS :28.05 ( 0.45 ) CRTN 105.5 18 eP :23.06 ( 0.13 ) eS :35.87 ( 0.03 ) RBNC 110.4 86 eS :37.19 (-0.17 ) CPO 129.5 286 eS :41.99 (-0.24 ) SMTN 151.6 37 eP :30.20 ( 0.18 ) eS :48.50 ( 0.41X) ABTN 185.2 291 eS :57.41 ( 0.47 ) FDKY 219.6 320 eS :16:08.00 ( 1.96X) ----- *TVA OT= 01:15:05.32 LAT= 35.298N LON= 84.197W DEP= 7.7 KM MDB= 1.9 NO= 22, GAP= 100 DEG, RMS= 0.27 SEC, SDOT= 0.07 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -24 DEG; ERHMIN= 0.4 KM; ERZ= 1.8 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.7 278 eP 01:15:09.60 (-0.09 ) eS 01:15:12.50 (-0.38 ) CBT 33.7 323 P :12.03 ( 0.73X) S :16.59 ( 0.94X) DCT 33.8 217 P :11.71 ( 0.39 ) S :15.99 ( 0.29 ) RCT 42.6 277 P :13.00 ( 0.25 ) S :18.65 ( 0.48 ) TQTN 53.9 297 eP :15.22 ( 0.60X) eS :21.27 (-0.14 ) TKL 55.4 44 eP+ :14.96 ( 0.08 ) eS :21.78 (-0.08 ) BBG 58.7 143 ePd :15.40 (-0.09 ) eS :22.40 (-0.51 ) GMG 64.8 222 eP :16.02 (-0.46 ) eS :24.32 (-0.30 ) WMTN 70.9 266 eS :26.06 (-0.23 ) HPKT 75.4 22 eS :28.05 ( 0.47 ) CRTN 105.2 18 eP :23.06 ( 0.08 ) eS :35.87 ( 0.00 ) RBNC 110.3 86 eS :37.19 (-0.24 ) CPO 129.6 286 eS :41.99 (-0.36 ) SMTN 151.3 37 eP :30.20 ( 0.13 ) eS :48.50 ( 0.37 ) ABTN 185.2 291 eS :57.41 ( 0.35 ) FDKY 219.4 319 eS :16:08.00 ( 1.88X) ----- *GIT OT= 01:15:05.7 LAT= 35.294N LON= 84.194W DEP= 9.2 KM MDB= 1.8 ERHMAX= 0.4 KM, AZ= -81 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.4 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.0 279 P 01:15:09.60 (-0.34 ) S 01:15:12.50 (-0.57 ) DCT 33.6 218 P :11.71 ( 0.27 ) S :15.99 ( 0.32 ) CBT 34.1 323 P :12.03 ( 0.50 ) S :16.59 ( 0.77 ) RCT 42.9 278 P :13.00 ( 0.08 ) S :18.65 ( 0.42 ) TKL 55.5 43 P :14.70 (-0.25 ) S :21.84 ( 0.09 ) BBG 58.3 143 P :15.40 ( 0.00 ) S :22.40 (-0.12 ) GMG 64.7 222 P :16.02 (-0.41 ) SMTN 151.1 37 P :30.20 (-0.12 ) ***** 9 JANUARY 1988; 12:49 - TELLICO PLAINS, TENNESSEE ***** *TVA Aftershock to 1/9/88, 01:07Z event *CERI MDB = 0.5 *GIT OT= 12:49:55.5 LAT= 35.280N LON= 84.221W DEP= 14.4 KM MDB= 0.9 ERHMAX= 0.4 KM, AZ= -57 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.4 SQ KM 4 Stations Used (NO= 6): ETT (Dmin= 21.9 km), DCT, BBG, and GMG See TVA listing for arrival time data ----- *TVA OT= 12:49:55.53 LAT= 35.267N LON= 84.231W DEP= 13.4 KM MDB= 0.8 NO= 7, GAP= 288 DEG, RMS= 0.06 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/D ERHMAX= 0.7 KM, AZ= 66 DEG; ERHMIN= 0.4 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 21.4 288 eP 12:49:59.95 ( 0.07 ) iS 12:50:03.00 (-0.06 ) DCT 29.2 216 P :50:01.00 (-0.03 ) S :05.10 ( 0.05 ) BBG 58.1 139 eS :13.10 (-0.02 ) GMG 60.2 222 eS :13.50 (-0.13 ) WMTN 67.6 268 eS :15.62 ( 0.14 ) ***** 9 JANUARY 1988; 19:21 - TELLICO PLAINS, TENNESSEE ***** *TVA Aftershock to 1/9/88, 01:07Z event *CERI OT= 19:21:04.64 LAT= 35.298N LON= 84.202W DEP= 14.8 KM MDB= 1.0 NO= 9, GAP= 299 DEG, RMS= 0.17 SEC, SDOT= 0.13 SEC, Q= D, SQD= C/D ERHMAX= 1.2 KM, AZ= -44 DEG; ERHMIN= 0.5 KM; ERZ= 3.0 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.2 278 eP 19:21:09.62 ( 0.25 ) iS 19:21:12.68 (-0.14 ) DCT 33.5 216 P :11.23 ( 0.34 ) S :15.24 (-0.21 ) RCT 42.0 277 S :17.67 ( 0.02 ) TKL 55.7 44 eS :21.20 (-0.10 ) GMG 64.5 222 eP :15.62 (-0.07 ) iS :23.70 (-0.05 ) WMTN 70.4 266 eS :25.17 (-0.03 ) ----- *TVA OT= 19:21:04.69 LAT= 35.300N LON= 84.204W DEP= 14.7 KM MDB= 1.1 NO= 10, GAP= 171 DEG, RMS= 0.19 SEC, SDOT= 0.13 SEC, Q= C, SQD= C/C ERHMAX= 1.2 KM, AZ= -44 DEG; ERHMIN= 0.6 KM; ERZ= 3.1 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 23.0 277 eP 19:21:09.62 ( 0.24 ) iS 19:21:12.68 (-0.13 ) DCT 33.6 216 P :11.23 ( 0.28 ) S :15.24 (-0.29 ) RCT 41.8 277 S :17.67 ( 0.00 ) TKL 55.7 44 eP :14.26 (-0.06 ) eS :21.15 (-0.20 ) GMG 64.5 221 eP :15.62 (-0.13 ) iS :23.70 (-0.12 ) WMTN 70.2 265 eS :25.17 (-0.04 ) ----- *GIT OT= 19:21:05.2 LAT= 35.298N LON= 84.199W DEP= 11.2 KM MDB= 1.4 ERHMAX= 0.3 KM, AZ= -59 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.1 SQ KM 6 Stations Used (NO= 10): ETT (Dmin= 23.5 km), DCT, RCT, TKL, GMG, and WMTN See TVA listing for arrival time data ***** 9 JANUARY 1988; 22:11 - TELLICO PLAINS, TENNESSEE ***** *TVA Aftershock to 1/9/88, 01:07Z event *CERI OT= 22:11:24.48 LAT= 35.284N LON= 84.182W DEP= 13.6 KM MDB= 1.4 NO= 20, GAP= 121 DEG, RMS= 0.37 SEC, SDOT= 0.12 SEC, Q= C, SQD= C/B ERHMAX= 0.8 KM, AZ= -48 DEG; ERHMIN= 0.6 KM; ERZ= 1.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.3 281 ePd 22:11:29.77 ( 0.35 ) iS 22:11:32.80 (-0.23 ) DCT 33.5 220 P :30.95 ( 0.30 ) S :35.25 ( 0.10 ) CBTN 38.1 7 P :31.01 (-0.37X) S :35.56 (-0.85 ) RCT 44.1 279 P :32.37 ( 0.04X) S :37.72 (-0.33 ) TKL 55.6 42 eS :41.27 ( 0.03 ) TKL 55.6 42 eP :34.25 ( 0.08 ) eS :41.33 ( 0.09 ) TQTN 55.7 298 eS :40.70 (-0.56 ) BBG 56.7 143 eP :34.50 ( 0.07 ) eS :40.90 (-0.79 ) GMG 64.6 224 eP :35.90 ( 0.28 ) iS :43.77 ( 0.03 ) RHT 67.8 250 P :35.55 (-0.48X) WMTN 72.1 267 eP :37.18 ( 0.48 ) eS :45.58 (-0.05 ) HPKT 76.3 21 S :46.90 ( 0.18 ) CRTN 106.2 17 eS :55.21 ( 0.55 ) SMTN 151.6 36 eS :12:08.10 ( 1.35 ) ABTN 187.0 291 eS :16.81 ( 0.76 ) ----- *TVA OT= 22:11:24.68 LAT= 35.289N LON= 84.191W DEP= 12.2 KM MDB= 1.4 NO= 20, GAP= 100 DEG, RMS= 0.21 SEC, SDOT= 0.08 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -51 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 24.4 280 ePd 22:11:29.77 ( 0.39 ) iS 22:11:32.80 (-0.01 ) DCT 33.4 219 P :30.95 ( 0.18 ) S :35.25 ( 0.03 ) CBT 34.7 323 P :31.01 ( 0.04 ) S :35.56 (-0.01 ) RCT 43.2 278 P :32.37 ( 0.04 ) S :37.72 (-0.19 ) TQTN 54.7 298 eS :40.70 (-0.43 ) TKL 55.7 43 eP :34.25 (-0.10 ) eS :41.33 (-0.08 ) BBG 57.6 143 eP :34.50 (-0.23 ) eS :40.90 (-1.17X) GMG 64.5 223 eP :35.90 ( 0.05 ) iS :43.77 (-0.23 ) RHT 67.2 250 P :35.55 (-0.68 ) WMTN 71.4 267 eP :37.18 ( 0.30 ) eS :45.58 (-0.20 ) HPKT 76.1 22 S? :46.90 (-0.11 ) CRTN 105.9 17 eS :55.21 ( 0.27 ) SMTN 151.7 37 eS :12:08.10 ( 0.99X) ABTN 186.0 291 eS :16.81 ( 0.65 ) ----- *GIT OT= 22:11:25.1 LAT= 35.293N LON= 84.193W DEP= 11.2 KM MDB= 1.4 ERHMAX= 0.3 KM, AZ= -74 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 7 Stations Used (NO= 12): DCT (Dmin= 33.6 km), CBT, RCT, TQTN, TKL, RHT, and WMTN See TVA listing for arrival time data ***** 10 JANUARY 1988; 04:10 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 04:10:03.59 LAT= 35.024N LON= 84.381W DEP= 7.9 KM MDB= 0.1 NO= 5, GAP= 247 DEG, RMS= 0.18 SEC, SDOT= 0.84 SEC, Q= D, SQD= C/D ERHMAX= 2.0 KM, AZ= -73 DEG; ERHMIN= 1.1 KM; ERZ= 37.0 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 31.9 236 eP 04:10:09.42 ( 0.10 ) eS 04:10:13.40 (-0.11 ) ETT 34.2 349 eP :09.95 ( 0.29 ) eS :13.90 (-0.20 ) BBG 54.7 108 eS :19.90 (-0.13 ) ***** 10 JANUARY 1988; 13:22 - SOUTHEASTERN TENNESSEE ***** *TVA Possible earthquake *CERI OT= 13:22:58.09 LAT= 35.285N LON= 84.179W DEP= 6.0 KM MDB= 0.2 NO= 7, GAP= 300 DEG, RMS= 0.14 SEC, SDOT= 0.30 SEC, Q= D, SQD= C/D ERHMAX= 1.1 KM, AZ= -58 DEG; ERHMIN= 0.7 KM; ERZ= 84.1 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 25.6 280 eP 13:23:02.85 ( 0.13 ) eS 13:23:05.95 (-0.15 ) DCT 33.7 221 P :04.20 ( 0.14 ) S :08.50 ( 0.08 ) TKL 55.3 41 eS :14.50 (-0.08 ) BBG 56.6 144 eS :15.00 (-0.06 ) GMG 64.9 224 eP :09.34 ( 0.10X) eS :17.10 (-0.29 ) ***** 10 JANUARY 1988; 13:53 - TRION, GEORGIA ***** *TVA OT= 13:53:13.16 LAT= 34.579N LON= 85.466W DEP= 10.1 KM MDB= 0.3 NO= 5, GAP= 322 DEG, RMS= 0.02 SEC, SDOT= 0.76 SEC, Q= D, SQD= D/D ERHMAX= 5.2 KM, AZ= -58 DEG; ERHMIN= 4.5 KM; ERZ= 2.3 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LKGA 5.0 353 iPd 13:53:15.22 ( 0.01 ) iS 13:53:16.70 (-0.01 ) WMTN 86.8 31 eP :27.81 (-0.04 ) eS :38.59 ( 0.02 ) ABTN 156.4 338 eS :56.99 ( 0.00 ) ***** 11 JANUARY 1988; 12:21 - MADISONVILLE, TENNESSEE ***** *CERI OT= 12:21:59.07 LAT= 35.467N LON= 84.259W DEP= 19.0 KM MDB= 1.0 NO= 18, GAP= 125 DEG, RMS= 0.33 SEC, SDOT= 0.18 SEC, Q= C, SQD= C/B ERHMAX= 1.1 KM, AZ= -30 DEG; ERHMIN= 0.6 KM; ERZ= 2.2 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 16.7 299 P 12:22:03.57 ( 0.25 ) S 12:22:06.49 ( 0.06 ) ETT 23.7 229 ePd :04.27 ( 0.09 ) iS :07.73 (-0.18 ) RCT 38.9 250 P :06.69 ( 0.45 ) S :11.42 (-0.06 ) TQTN 42.7 277 eS :12.14 (-0.31 ) DCT 48.1 198 P :08.11 ( 0.48 ) S :14.47 ( 0.59 ) TKL 48.8 64 eP :07.75 ( 0.03 ) iS :13.87 (-0.17 ) WMTN 69.3 250 eP :11.23 ( 0.40 ) eS :19.17 (-0.24 ) RHT 71.3 233 S :19.73 (-0.18 ) GMG 76.8 209 eS :20.90 (-0.61 ) BBG 77.4 148 eP :11.40 (-0.76 ) eS :19.90 (-1.81 ) ABTN 173.8 286 eS :47.25 ( 0.21 ) ----- *TVA OT= 12:21:59.22 LAT= 35.470N LON= 84.266W DEP= 18.6 KM MDB= 0.9 NO= 16, GAP= 132 DEG, RMS= 0.24 SEC, SDOT= 0.15 SEC, Q= B, SQD= B/B ERHMAX= 0.9 KM, AZ= -32 DEG; ERHMIN= 0.5 KM; ERZ= 1.7 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 16.0 299 P- 12:22:03.57 ( 0.21 ) S 12:22:06.49 ( 0.11 ) ETT 23.5 227 ePd :04.27 ( 0.00 ) iS :07.73 (-0.22 ) RCT 38.5 249 P :06.69 ( 0.38 ) S :11.42 (-0.06 ) TQTN 42.0 277 eS :12.14 (-0.27 ) DCT 48.2 197 P :08.11 ( 0.32 ) S :14.27 ( 0.23 ) TKL 49.2 65 eP :07.83 (-0.09 ) eS :14.03 (-0.24 ) WMTN 68.9 249 eP :11.23 ( 0.33 ) eS :19.17 (-0.26 ) RHT 71.0 232 S :19.73 (-0.25 ) GMG 76.8 209 eS :20.90 (-0.74 ) BBG 78.0 148 eP :11.40 (-0.99X) eS :19.90 (-2.11X) ABTN 173.1 286 eS :47.25 ( 0.25 ) ----- *GIT OT= 12:21:59.9 LAT= 35.471N LON= 84.269W DEP= 14.4 KM MDB= 1.2 ERHMAX= 0.6 KM, AZ= -66 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.6 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 15.7 299 P 12:22:03.57 ( 0.21 ) S 12:22:06.49 ( 0.57 ) RCT 38.2 249 P :06.69 ( 0.14 ) S :11.42 (-0.04 ) DCT 48.2 197 P :08.11 ( 0.03 ) S :14.27 ( 0.16 ) TKL 49.4 65 P :07.83 (-0.45 ) S :14.00 (-0.45 ) TQTN 53.6 277 S :12.14 ( 0.00 ) WMTN 68.6 249 P :11.23 (-0.07 ) S :19.17 (-0.51 ) RHT 70.9 232 S :19.73 (-0.57 ) ABTN 171.8 285 S :47.25 (-0.75 ) ***** 14 JANUARY 1988; 02:47 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 02:47:07.67 LAT= 35.005N LON= 84.379W DEP= 7.7 KM MDB= 0.5 NO= 6, GAP= 134 DEG, RMS= 0.20 SEC, SDOT= 0.24 SEC, Q= C, SQD= C/C ERHMAX= 0.6 KM, AZ= 71 DEG; ERHMIN= 0.4 KM; ERZ= 12.6 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 31.0 239 eP 02:47:13.53 ( 0.28 ) eS 02:47:17.01 (-0.31 ) ETT 36.3 349 iP :14.28 ( 0.20 ) eS :18.55 (-0.22 ) BBG 53.9 105 eP :17.13 ( 0.09 ) eS :23.77 (-0.11 ) ***** 16 JANUARY 1988; 19:13 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 19:13:03.13 LAT= 35.002N LON= 84.378W DEP= 6.0 KM MDB= 0.1 NO= 6, GAP= 135 DEG, RMS= 0.08 SEC, SDOT= 0.12 SEC, Q= C, SQD= C/C ERHMAX= 0.3 KM, AZ= 87 DEG; ERHMIN= 0.2 KM; ERZ= 25.5 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 30.9 240 eP 19:13:08.70 ( 0.03 ) eS 19:13:12.67 (-0.05 ) ETT 36.6 349 iP :09.68 ( 0.09 ) iS :14.23 (-0.07 ) BBG 53.7 105 eP :12.61 ( 0.16 ) eS :19.18 (-0.08 ) ***** 18 JANUARY 1988; 05:47 - CLEVELAND, TENNESSEE ***** *CERI MDB = 1.4 *TVA OT= 05:47:51.54 LAT= 35.178N LON= 84.728W DEP= 13.0 KM MDB= 1.5 NO= 18, GAP= 76 DEG, RMS= 0.16 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -2 DEG; ERHMIN= 0.3 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RHT 17.9 232 P 05:47:55.50 ( 0.17 ) S 05:47:58.00 (-0.09 ) RCT 19.6 18 P :56.00 ( 0.43 ) S :58.50 (-0.01 ) WMTN 23.7 289 eP :56.17 ( 0.00 ) iS :59.58 ( 0.02 ) ETT 29.8 56 eP :57.10 (-0.01 ) eS :48:01.00 (-0.18 ) DCT 31.3 116 P :57.50 ( 0.17 ) S :01.50 (-0.06 ) GMG 35.3 171 eP- :58.04 ( 0.02 ) eS :02.28 (-0.48 ) TQTN 37.6 0 eS :03.10 (-0.15 ) BBG 90.2 112 eP :48:06.80 ( 0.15 ) CPO 90.2 302 eS :17.33 (-0.23 ) TKL 101.7 58 S? :20.41 (-0.17 ) TVG 103.2 211 S :21.00 ( 0.04 ) ABTN 147.9 302 eP :15.67 ( 0.28 ) eS :37.39 ( 4.59X) ----- *GIT OT= 05:47:52.0 LAT= 35.176N LON= 84.729W DEP= 11.2 KM MDB= 1.7 ERHMAX= 0.2 KM, AZ= -74 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 7 Stations Used (NO= 11): RHT (Dmin= 17.7 km), RCT, WMTN, DCT, TQTN, TKL, and TVG See TVA listing for arrival time data ***** 18 JANUARY 1988; 21:05 - SOUTHEASTERN TENNESSEE ***** *TVA Possible earthquake *CERI OT= 21:05:35.03 LAT= 35.540N LON= 84.140W DEP= 6.3 KM MDB= 0.2 NO= 6, GAP= 255 DEG, RMS= 0.13 SEC, SDOT= 0.08 SEC, Q= D, SQD= C/D ERHMAX= 0.9 KM, AZ= -30 DEG; ERHMIN= 0.1 KM; ERZ= 5.8 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 15.4 336 iPc 21:05:38.10 ( 0.11 ) iS 21:05:40.02 (-0.12 ) TKL 35.7 68 iS :45.87 (-0.03 ) ETT 37.1 230 eP :41.75 ( 0.19 ) eS :46.23 (-0.10 ) GMG 89.3 213 eS :06:01.03 (-0.29 ) ***** 23 JANUARY 1988; 01:57 - SUMMERVILLE, SOUTH CAROLINA ***** *NEIS Felt (V) at Summerville; (IV) at Ladson and Mount Holly; (III) at Ridgeville and Wadmalaw Island *USC OT= 01:57:14.20 LAT= 32.934N LON= 80.149W DEP= 5.6 KM MDL= 1.3 NO= 14, GAP= 82 DEG, RMS RES= 0.07 SEC, Q= A, SQD= A/A ERH= 0.3 KM, ERZ= 0.4 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MGS 4.2 169 iPu 01:57:17.88 (-0.05 ) S 01:57:19.08 (-1.76X) RGR 5.2 233 iPu :17.93 (-0.06 ) S :18.75 (-2.19X) BCS 8.9 54 iPd :18.68 ( 0.03 ) S :20.59 (-1.54X) SVS 10.0 292 iPu :18.65 (-0.05 ) WAS 15.0 230 iPd :19.42 ( 0.01 ) S :22.09 (-1.38X) HBF 21.4 270 iPu :19.83 (-0.02 ) HWD 24.9 211 iPd :21.10 ( 0.01 ) S :24.90 (-1.56X) DRC 29.2 309 iPu :22.00 ( 0.18 ) VEW 30.6 141 ePu :22.10 ( 0.03 ) S :26.95 (-1.26X) PBS 39.7 344 iPd :23.67 (-0.03 ) S :30.77 (-0.34X) TRK 40.5 59 iPd :23.78 ( 0.00 ) SGS 44.4 310 iPu :24.33 (-0.12 ) COW 71.4 314 iPd :28.71 (-0.03 ) S :40.22 ( 0.14X) VRN 74.9 279 ePd :29.16 (-0.15 ) MTT 165.5 303 eP+ :43.67 ( 0.89X) S :58:04.58 (-0.50X) JSC 181.2 325 ePu :44.59 ( 0.05X) S :05.92 (-2.29X) LHS 181.9 340 eP+ :44.31 (-0.32X) S :07.12 (-1.24X) PRM 242.0 302 eP- :52.16 ( 0.16X) S :20.35 (-1.14X) ----- *NEIS OT= 01:57:16.39 LAT= 32.935N LON= 80.157W DEP= 7.4 mb(Lg)= 3.3 NO= 19 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MGS 4.4 160 iPc 01:57:17.90 (- 0.2 ) BCS 10.0 60 iPd :18.80 ( 0.1 ) S 01:57:19.70 WSS 14.5 228 iPd :19.55 ( 0.3 ) S :21.90 HBF 21.1 269 iPc :19.73 (- 0.6 ) S :22.09 HWD 24.5 209 iPd :21.12 ( 0.1 ) S :24.10 DRC 28.9 312 iPc :22.02 ( 0.3 ) S :25.68 VEW 31.1 140 ePc :22.20 ( 0.0 ) S :24.58 PBS 38.9 345 iPd :23.64 ( 0.0 ) S :28.73 TRK 41.1 60 iPd :23.70 (- 0.2 ) S :27.67 SGS 43.4 311 iPc :24.31 ( 0.0 ) S :31.77 COW 71.2 315 ePc :28.67 (- 0.5 ) S :38.51 VRN 74.5 279 iPd :29.12 (- 0.7 ) S :36.58 MTT 164.6 304 ePc :43.65 ( 0.2 ) S :58:01.42 JSC 181.3 326 ePc :44.54 (- 0.9 ) S :04.60 LHS 181.3 341 ePc :44.30 (- 1.3 ) S :05.36 PRM 241.3 302 ePd :52.19 (- 1.2 ) S :14.20 TKL 449.2 313 eP :58:18.90 (- 1.1 ) BLA 474.8 357 eP :22.50 (- 0.8 ) RSCP 580.5 302 eP :47.00 ( 10.2 ) ----- *USGS OT= 01:57:16.39 LAT= 32.935N LON= 80.157W DEP= 7.4 KM ML= 3.3 NO= 32, RMS= 0.206 SEC, dx= 0.617 km, dy= 0.672 km, dz= 0.863 km STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MGS 4.5 160 iPc 01:57:17.90 (-0.21 ) RGR 4.7 226 iPc :18.25 ( 0.17 ) BCS 10.3 60 iPd :18.80 ( 0.03 ) S 01:57:19.70 (-0.38 ) WAS 14.5 227 iPd :19.55 ( 0.16 ) S :21.90 ( 0.20 ) HBF 20.7 269 iPc :19.73 (-0.30 ) S :22.09 (-0.16 ) HWD 24.7 208 iPd :21.12 ( 0.03 ) S :24.10 (-0.11 ) DRC 28.9 311 iPc :22.02 ( 0.13 ) S :25.68 ( 0.04 ) VEW 31.5 139 ePc :22.20 (-0.11 ) S :24.58 (-0.93 ) PBS 39.5 345 iPd :23.64 (-0.03 ) S :28.73 (-0.05 ) TRK 41.0 59 iPd :23.70 ( 0.27 ) S :27.67 (-0.24 ) SGS 43.8 310 iPc :24.31 (-0.04 ) S :31.77 ( 0.89 ) COW 71.1 314 ePc :28.67 ( 0.09 ) S :38.51 ( 0.68 ) VRN 74.2 278 iPd :29.12 ( 0.10 ) S :36.58 (-0.66 ) MTT 164.4 303 ePc :43.65 ( 0.94 ) S :58:01.42 (-0.18 ) JSC 180.5 325 ePc :44.54 ( 0.09 ) S :04.60 (-0.15 ) LHS 181.5 340 ePc :44.30 (-0.20 ) S :05.36 ( 0.24 ) PRM 240.5 301 ePd :52.19 ( 0.13 ) S :14.20 (-1.95 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 145.0 65.0 120.0 Nodal Plane: -88.8 38.3 43.0 P Axis: 213.5 75.2 T Axis: 97.8 31.4 ----- *CERI OT= 01:57:24.10 LAT= 33.659N LON= 80.434W DEP= 9.4 KM MDB= 3.1 NO= 9, GAP= 321 DEG, RMS= 0.15 SEC, SDOT= 0.32 SEC, Q= D, SQD= D/D ERHMAX= 4.6 KM, AZ= 59 DEG; ERHMIN= 1.6 KM; ERZ= 2.3 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BENN 239.5 332 ePc 01:58:02.19 (-0.07 ) eS 01:58:30.21 ( 0.09 ) PKNC 273.0 346 eP :06.50 (-0.04 ) BRBC 286.4 324 eP :08.61 ( 0.28 ) eS :40.40 (-0.22 ) RBNC 300.6 310 eP :09.26 (-0.80 ) RICH 332.4 320 eP :14.11 ( 0.28 ) TKL 378.0 307 eP :19.28 (-0.04 ) eS :58.50 (-1.13X) SMTN 392.6 321 eP :21.40 ( 0.24 ) eS :59:01.50 (-1.31X) ***** 23 JANUARY 1988; 02:11 - MIDDLETON GARDENS, SOUTH CAROLINA ***** *USGS OT= 02:11:55.89 LAT= 32.931N LON= 80.160W DEP= 5.2 KM ML= 1.6 NO= 24, RMS= 0.167 SEC, dx= 0.733 km, dy= 0.924 km, dz= 1.788 km STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MGS 4.2 154 iPc 02:11:57.35 ( 0.07 ) S 02:11:57.80 (-0.24 ) RGR 4.2 228 iPc :57.38 ( 0.14 ) S :57.92 (-0.10 ) BCS 10.7 59 iPd :58.20 ( 0.02 ) S :12:00.10 ( 0.14 ) WAS 14.0 228 iPd :58.95 ( 0.26 ) S :00.81 ( 0.07 ) HBF 20.4 270 iPc :59.18 (-0.22 ) S :00.65 (-0.52 ) HWD 24.2 208 ePd :12:00.20 (-0.21 ) S :04.30 ( 0.25 ) DRC 29.0 312 ePc :01.50 ( 0.12 ) S :04.60 (-0.16 ) VEW 31.3 139 ePc :01.70 (-0.04 ) S :05.15 (-0.24 ) PBS 39.8 345 ePd :04.65 ( 1.24 ) S :08.10 (-0.10 ) TRK 41.5 59 iPd :03.15 ( 0.17 ) S :06.91 (-0.42 ) JSC 180.7 325 ePd :26.37 ( 1.83 ) S :46.45 ( 0.56 ) LHS 181.9 340 ePc :25.65 ( 1.15 ) S :45.05 ( 0.06 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 160.0 80.0 130.0 Nodal Plane: 261.7 41.0 15.3 P Axis: 220.1 65.8 T Axis: 107.0 49.0 NOTE: Alternate Fault Plane Solution (strike, dip, rake) Nodal Plane: 85.0 80.0 50.0 Nodal Plane: -16.7 41.0 164.7 P Axis: 204.9 65.8 T Axis: 318.0 49.0 ***** 24 JANUARY 1988; 21:36 - TELLICO PLAINS, TENNESSEE ***** *TVA Possible earthquake *CERI OT= 21:36:11.99 LAT= 35.284N LON= 84.278W DEP= 5.1 KM MDB= -0.2 NO= 5, GAP= 344 DEG, RMS= 0.24 SEC, SDOT= 1.17 SEC, Q= D, SQD= D/D ERHMAX= 6.8 KM, AZ= -67 DEG; ERHMIN= 1.6 KM; ERZ= 6.1 KM; Q= D 4 Stations Used: ETT (Dmin= 16.7 km), GBTN, TQTN, and GMG See TVA listing for arrival time data ----- *GIT OT= 21:36:12.8 LAT= 35.322N LON= 84.308W DEP= 11.2 KM MDB= 0.3 ERHMAX= 1.1 KM, AZ= -28 DEG; ERHMIN= 0.8 KM; ELLIPSE AREA= 2.6 SQ KM 5 Stations Used (NO= 7): ETT (Dmin= 13.4 km), DCT, GBTN, TQTN, and GMG See TVA listing for arrival time data ----- *TVA OT= 21:36:12.99 LAT= 35.334N LON= 84.315W DEP= 3.1 KM MDB= 0.3 NO= 6, GAP= 259 DEG, RMS= 0.12 SEC, SDOT= 0.20 SEC, Q= D, SQD= C/D ERHMAX= 1.4 KM, AZ= -87 DEG; ERHMIN= 0.7 KM; ERZ= 5.6 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 12.8 266 eP 21:36:15.20 (-0.16 ) eS 21:36:17.20 ( 0.12 ) DCT 32.5 197 P :18.80 ( 0.00 ) S :23.10 ( 0.06 ) GBTN 38.0 14 eS :24.80 ( 0.08 ) TQTN 42.4 298 eP :20.90 ( 0.34 ) eS :28.46 ( 2.37X) GMG 61.5 212 eS :29.50 (-2.15X) ***** 27 JANUARY 1988; 22:05 - EASTERN GEORGIA ***** *TVA Possible earthquake *CERI OT= 22:05:42.85 LAT= 34.189N LON= 82.750W DEP= 6.1 KM MDB= 1.9 NO= 19, GAP= 258 DEG, RMS= 0.21 SEC, SDOT= 0.22 SEC, Q= D, SQD= C/D ERHMAX= 2.6 KM, AZ= -21 DEG; ERHMIN= 0.7 KM; ERZ= 6.0 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BBG 123.6 308 eP 22:06:03.30 (-0.21 ) eS 22:06:18.80 ( 0.21 ) RBNC 131.4 351 eP- :04.87 ( 0.12 ) eS :20.30 (-0.43 ) BRBC 177.1 14 eP- :11.88 ( 0.12 ) BENN 182.3 33 eP :12.51 ( 0.06 ) eS :34.10 ( 0.05 ) TKL 188.0 330 eP :13.50 ( 0.22 ) eS :35.78 ( 0.29 ) GMG 191.6 294 eP :13.84 (-0.05 ) eS :36.29 (-0.26 ) RICH 192.1 358 eP :13.87 (-0.09 ) eS :36.39 (-0.28 ) GBTN 211.4 321 eP :17.30 ( 0.44 ) eS :41.50 (-0.19 ) SMTN 246.5 351 eP :22.40 ( 0.12 ) eS :50.50 (-0.56 ) RCG 253.9 291 eP :23.85 ( 0.57 ) eS :52.49 (-0.30 ) ***** 7 FEBRUARY 1988; 08:39 - MORRISTOWN, TENNESSEE ***** *TVA Probable earthquake *CERI OT= 08:39:29.36 LAT= 36.322N LON= 83.508W DEP= 13.7 KM MDB= 1.2 NO= 13, GAP= 191 DEG, RMS= 0.20 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/D ERHMAX= 0.8 KM, AZ= -22 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SMTN 30.0 77 eP 08:39:35.17 ( 0.15 ) eS 08:39:38.90 (-0.24 ) CRTN 32.9 246 eP- :35.46 ( 0.02 ) iS :39.81 (-0.06 ) LMTN 49.1 170 eS :44.72 ( 0.35 ) BRTN 57.6 86 P :40.17 ( 0.80X) eS :46.90 ( 0.23 ) RICH 76.5 126 eP :41.96 (-0.33 ) eS :51.63 (-0.10 ) TKL 77.5 198 eP :42.03 (-0.37 ) eS :51.80 (-0.12 ) SLTN 125.2 83 eS :40:05.48 ( 0.97 ) ETT 139.8 218 eP :52.00 ( 0.04X) eS :08.85 ( 0.39 ) BBG 163.0 190 eS :14.30 (-0.43 ) ----- *TVA OT= 08:39:29.70 LAT= 36.308N LON= 83.502W DEP= 5.6 KM MDB= 1.3 NO= 8, GAP= 185 DEG, RMS= 0.10 SEC, SDOT= 0.25 SEC, Q= C, SQD= B/D ERHMAX= 0.9 KM, AZ= -18 DEG; ERHMIN= 0.3 KM; ERZ= 2.6 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SMTN 29.8 74 eP 08:39:35.17 ( 0.10 ) eS 08:39:38.90 (-0.08 ) CRTN 32.8 249 eP- :35.46 (-0.07 ) iS :39.81 ( 0.03 ) LMTN 47.5 170 eS :44.72 ( 0.72X) BRTN 57.2 84 P? :40.17 ( 0.60X) eS :46.90 ( 0.13 ) RICH 75.1 125 eP :41.96 (-0.60X) eS :51.63 (-0.31 ) TKL 76.2 199 eS :52.26 ( 0.08 ) SLTN 124.8 83 eS :40:05.48 (-0.16 ) ETT 138.9 219 eP :52.00 (-0.67X) eS :08.85 (-0.59X) BBG 161.5 190 eS :14.30 (-1.26X) ***** 7 FEBRUARY 1988; 10:54 - SALE CREEK, TENNESSEE ***** *TVA Probable earthquake *TVA OT= 10:54:11.01 LAT= 35.400N LON= 84.988W DEP= 6.3 KM MDB= 0.8 NO= 10, GAP= 123 DEG, RMS= 0.10 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -39 DEG; ERHMIN= 0.3 KM; ERZ= 2.1 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WMTN 16.9 175 iPc 10:54:14.29 ( 0.09 ) iS 10:54:16.45 (-0.08 ) TQTN 27.0 61 eP- :15.81 (-0.06 ) eS :19.43 ( 0.02 ) CPO 57.8 293 eS :28.24 ( 0.00 ) PDTN 79.6 260 eS :34.35 (-0.10 ) ORT 83.8 47 eS :36.96 ( 1.30X) LKGA 96.8 207 eP :27.69 ( 0.26 ) eS :38.83 (-0.58 ) TKL 113.8 75 S? :43.10 (-0.86X) ABTN 115.0 298 eP :30.46 ( 0.22 ) eS :44.11 (-0.17 ) CRTN 136.5 49 eP :34.30 ( 0.75X) eS :56.65 ( 6.64X) ***** 11 FEBRUARY 1988; 10:37 - RUSSELLVILLE, ALABAMA ***** *TVA Probable earthquake *TVA OT= 10:37:23.77 LAT= 34.365N LON= 87.851W DEP= 7.7 KM MDB= 2.0 NO= 19, GAP= 252 DEG, RMS= 0.38 SEC, SDOT= 0.35 SEC, Q= D, SQD= C/D ERHMAX= 1.9 KM, AZ= 23 DEG; ERHMIN= 1.0 KM; ERZ= 2.3 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) PWLA 71.0 344 eP 10:37:36.13 ( 0.24 ) eS 10:37:44.59 (-0.15 ) MSAL 120.6 63 eP :43.40 (-0.36 ) iS :58.02 (-0.34 ) SHTN 138.2 28 eP :46.82 ( 0.35 ) eS :38:03.08 ( 0.03 ) EBZ 162.1 303 eS :08.90 (-0.45 ) MILT 183.2 334 eP :52.20 (-1.15 ) eS :13.10 (-1.84X) PDTN 209.1 61 eP :58.30 ( 0.98 ) eS :22.64 ( 0.82 ) LKGA 220.4 82 eP :59.22 ( 0.13 ) eS :26.16 ( 1.29X) ABTN 231.7 43 eP :38:01.84 ( 1.13 ) eS :27.79 ( 0.12 ) CPO 249.3 56 eP :03.54 ( 0.65 ) eS :33.12 ( 1.68X) MOTN 250.3 357 eP :02.77 (-0.19 ) eS :31.77 ( 0.20 ) WMTN 281.0 69 eP :08.20 ( 1.47 ) eS :38.94 ( 0.84 ) ANTN 311.5 49 P? :13.05 ( 2.56X) S? :45.55 ( 0.95 ) HAKY 325.0 20 P? :17.81 ( 5.72X) eS :50.30 ( 2.94X) FDKY 327.4 34 S? :49.96 ( 2.06X) ***** 11 FEBRUARY 1988; 20:13 - SWEETWATER, TENNESSEE ***** *TVA OT= 20:13:09.41 LAT= 35.631N LON= 84.404W DEP= 14.5 KM MDB= 1.2 NO= 34, GAP= 88 DEG, RMS= 0.20 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.4 KM, AZ= -63 DEG; ERHMIN= 0.2 KM; ERZ= 0.4 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 10.2 188 P 20:13:12.66 ( 0.18 ) S 20:13:14.71 (-0.01 ) TQTN 31.8 247 eP :15.40 ( 0.04 ) eS :19.42 (-0.28 ) ORT 32.2 16 eP :15.53 ( 0.10 ) iS :19.71 (-0.12 ) ETT 34.1 188 iP :15.60 (-0.14 ) RCT 39.3 216 P :16.85 ( 0.31 ) S :21.49 (-0.25 ) BHT 54.5 296 eP :19.21 ( 0.29 ) eS :26.04 ( 0.18 ) TKL 57.2 87 eS :26.10 (-0.39 ) DCT 64.0 181 P :20.71 ( 0.37 ) S :28.14 (-0.18 ) WMTN 66.9 231 eP :20.80 ( 0.03 ) eS :29.11 ( 0.05 ) RHT 75.1 215 P :22.22 ( 0.19 ) S :30.97 (-0.27 ) CRTN 81.1 39 eP :23.18 ( 0.22 ) iS :32.94 ( 0.08 ) GMG 88.6 196 eS :34.95 ( 0.02 ) ONTN 94.5 358 eP :24.70 (-0.33 ) eS :36.06 (-0.36 ) ANTN 95.8 309 eP- :25.06 (-0.17 ) eS :36.70 (-0.07 ) BBG 99.8 147 eP :25.70 (-0.21 ) eS :38.10 ( 0.15 ) CPO 106.0 269 eS :39.40 (-0.06 ) SMTN 138.2 53 eP :31.80 ( 0.07 ) eS :48.40 ( 0.38 ) LKGA 148.2 221 eP :33.52 ( 0.27 ) eS :52.10 ( 1.44X) ABTN 156.7 281 eS :53.32 ( 0.44 ) BRTN 160.3 59 P? :35.90 ( 0.80 ) eS :57.00 ( 3.15X) BRBC 192.1 86 eS :14:02.40 (-0.10 ) ----- *CERI OT= 20:13:09.46 LAT= 35.622N LON= 84.397W DEP= 14.9 KM No Magnitude NO= 15, GAP= 130 DEG, RMS= 0.18 SEC, SDOT= 0.11 SEC, Q= B, SQD= B/B ERHMAX= 0.7 KM, AZ= -37 DEG; ERHMIN= 0.5 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 9.4 193 P 20:13:12.66 ( 0.15 ) S 20:13:14.71 (-0.03 ) ETT 33.2 189 iP :15.60 (-0.06 ) RCT 38.9 218 P :16.85 ( 0.33 ) S :21.49 (-0.17 ) BHT 55.5 297 eP :19.21 ( 0.10 ) eS :26.04 (-0.12 ) TKL 56.6 86 iS :26.07 (-0.28 ) DCT 63.0 182 P :20.71 ( 0.49 ) S :28.14 ( 0.06 ) RHT 74.7 216 P :22.22 ( 0.22 ) S :30.97 (-0.18 ) GMG 87.8 197 eS :34.95 ( 0.20 ) BBG 98.6 147 eP :25.70 (-0.06X) eS :38.10 ( 0.45X) SMTN 138.3 52 eP :31.80 ( 0.02 ) eS :48.40 ( 0.33 ) BRBC 191.5 85 eS :14:02.40 ( 0.03X) ----- *GIT OT= 20:13:09.8 LAT= 35.660N LON= 84.450W DEP= 11.4 KM MDB= 1.5 ERHMAX= 0.3 KM, AZ= -27 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 13.7 169 P 20:13:12.66 (-0.08 ) S 20:13:14.71 (-0.19 ) TQTN 29.7 237 P :15.40 ( 0.36 ) S :19.42 ( 0.53 ) ORT 31.7 23 P :15.53 ( 0.17 ) S :19.71 ( 0.28 ) RCT 39.9 209 P :16.85 ( 0.23 ) S :21.49 (-0.14 ) WMTN 66.0 226 P :20.80 ( 0.02 ) S :29.11 ( 0.27 ) DCT 67.3 178 P :20.71 (-0.27 ) S :28.74 (-0.45 ) RHT 75.7 211 P :22.22 (-0.11 ) S :30.97 (-0.55 ) CRTN 81.1 42 P :23.18 (-0.02 ) S :32.94 (-0.09 ) ONTN 91.1 0 P :24.70 (-0.10 ) S :36.06 ( 0.25 ) ANTN 96.8 306 P :25.06 (-0.65 ) S :36.70 (-0.68 ) CPO 102.0 267 S :39.40 ( 0.57 ) ***** 11 FEBRUARY 1988; 22:13 - MADISONVILLE, TENNESSEE ***** *CERI OT= 22:13:11.87 LAT= 35.468N LON= 84.311W DEP= 20.3 KM MDB= 2.3 NO= 53, GAP= 50 DEG, RMS= 0.19 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.3 KM, AZ= -47 DEG; ERHMIN= 0.2 KM; ERZ= 0.6 KM; Q= A 29 Stations Used: CBT (Dmin= 12.7 km), TLT, ETT, GBTN, RCT, TQTN, DCT, ORT, TKL, HPKT, WMTN, RHT, BHT, GMG, BBG, CRTN, LMTN, CDG, RCG, ONTN, ANTN, CPO, RBNC, LKGA, PDTN, SMTN, ABTN, TRYN, and FDKY See TVA listing for arrival time data ----- *TVA OT= 22:13:11.90 LAT= 35.469N LON= 84.310W DEP= 20.2 KM MDB= 2.1 NO= 58, GAP= 50 DEG, RMS= 0.20 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.3 KM, AZ= -43 DEG; ERHMIN= 0.2 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 12.7 308 P 22:13:16.02 ( 0.13 ) S 22:13:19.20 ( 0.39 ) TLT 18.8 172 P :16.83 ( 0.30 ) ETT 20.6 220 eP :16.54 (-0.20 ) iS :19.99 (-0.28 ) GBTN 23.6 22 iP :17.04 (-0.03 ) eS :20.62 (-0.22 ) RCT 34.7 247 P :18.69 ( 0.15 ) S :23.13 (-0.25 ) TQTN 38.1 278 iPc :19.01 ( 0.00 ) eS :24.20 ( 0.00 ) DCT 47.1 192 P :20.57 ( 0.21 ) S :26.14 (-0.39 ) ORT 48.9 1 iPc :20.83 ( 0.23 ) iS :26.80 (-0.15 ) TKL 52.9 67 iP- :21.14 (-0.07 ) iS :27.98 (-0.02 ) HPKT 64.0 37 eS :30.60 (-0.26 ) WMTN 65.1 248 eP :23.10 ( 0.07 ) iS :30.99 (-0.17 ) RHT 67.7 230 P :23.52 ( 0.09 ) S :31.50 (-0.35 ) BHT 71.1 306 iP+ :24.03 ( 0.04 ) eS :32.59 (-0.23 ) GMG 74.9 206 eP :24.30 (-0.28 ) eS :33.65 (-0.18 ) BBG 80.2 145 iPc :25.50 ( 0.09 ) eS :35.30 ( 0.03 ) CRTN 91.5 27 eP :27.26 ( 0.20 ) eS :38.30 ( 0.16 ) LMTN 93.8 60 eP+ :27.18 (-0.24 ) eS :38.54 (-0.21 ) CDG 100.7 199 P :28.80 ( 0.34 ) S :40.35 (-0.20 ) RCG 109.2 240 eP :30.05 ( 0.28 ) eS :42.84 ( 0.02 ) ONTN 113.0 354 ePd :30.06 (-0.29 ) eS :43.63 (-0.20 ) ANTN 114.0 313 eP+ :30.37 (-0.15 ) eS :44.14 ( 0.03 ) CPO 115.5 278 eP :31.24 ( 0.50 ) eS :44.48 (-0.02 ) RBNC 120.9 96 eP :32.03 ( 0.35 ) eS :46.30 ( 0.18 ) PDTN 141.6 262 eP+ :34.84 ( 0.14 ) eS :51.48 ( 0.14 ) LKGA 141.6 229 eP :35.17 ( 0.44 ) eS :51.38 (-0.02 ) SMTN 143.6 45 eP :34.91 (-0.14 ) eS :51.68 (-0.28 ) BRTN 163.2 52 P? :39.51 ( 1.47X) eS :58.16 ( 1.03 ) ABTN 169.3 286 eP :39.14 ( 0.20 ) iS :59.64 ( 0.96 ) TRYN 188.9 96 eS :14:04.21 ( 0.23 ) FDKY 198.3 318 eP- :44.02 ( 0.64 ) eS :08.35 ( 1.99X) SLTN 225.2 61 eP :47.55 ( 0.83 ) eS :13.40 ( 1.25X) MSAL 226.1 253 eP :47.13 ( 0.27 ) eS :14.18 ( 1.80X) SHTN 255.9 271 eP- :51.26 ( 0.75 ) eS :20.79 ( 2.10X) HAKY 273.4 312 eP :54.82 ( 2.20X) eS :23.95 ( 1.60X) ----- *GIT OT= 22:13:12.1 LAT= 35.473N LON= 84.312W DEP= 18.5 KM MDB= 2.0 ERHMAX= 0.2 KM, AZ= -48 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 12.3 307 P 22:13:16.02 ( 0.27 ) S 22:13:19.22 ( 0.82 ) TLT 19.3 172 P :16.83 ( 0.35 ) ETT 20.9 219 P :16.54 (-0.13 ) S :19.99 (-0.01 ) GBTN 23.3 23 P :17.04 ( 0.08 ) S :20.62 ( 0.11 ) RCT 34.8 246 P :18.69 ( 0.15 ) S :23.13 (-0.11 ) TQTN 37.9 277 P :19.01 ( 0.03 ) S :24.20 ( 0.20 ) DCT 47.5 192 P :20.57 ( 0.16 ) S :26.14 (-0.34 ) ORT 49.9 360 P :20.83 ( 0.05 ) S :26.80 (-0.32 ) TKL 52.8 67 P :21.14 (-0.07 ) S :27.98 ( 0.11 ) HPK 63.6 38 S :30.60 (-0.14 ) WMTN 65.2 248 P :23.10 (-0.01 ) S :30.99 (-0.17 ) RHT 68.1 230 P :23.52 (-0.04 ) S :31.50 (-0.44 ) BHT 70.7 306 P :24.03 ( 0.07 ) S :32.59 (-0.05 ) GMG 75.3 206 P :24.30 (-0.38 ) S :33.65 (-0.23 ) BBG 80.7 146 P :25.50 (-0.03 ) S :35.30 (-0.05 ) CRTN 91.1 28 P :27.26 ( 0.11 ) S :38.30 ( 0.14 ) LMTN 93.6 61 P :27.18 (-0.38 ) S :38.54 (-0.33 ) CDG 101.1 199 P :28.80 ( 0.08 ) S :40.35 (-0.54 ) RCG 109.6 240 P :30.05 (-0.01 ) S :42.83 (-0.38 ) ONTN 112.5 354 P :30.06 (-0.46 ) S :43.63 (-0.36 ) RBNC 121.2 96 P :32.03 ( 0.15 ) S :46.30 (-0.06 ) PDTN 141.7 261 P :34.84 (-0.27 ) S :51.48 (-0.47 ) LKGA 142.2 229 P :35.17 (-0.01 ) S :51.38 (-0.69 ) SMTN 142.9 45 P :34.91 (-0.39 ) S :51.68 (-0.60 ) ***** 12 FEBRUARY 1988; 14:47 - MARYVILLE, TENNESSEE ***** *CERI OT= 14:47:38.63 LAT= 35.732N LON= 83.991W DEP= 16.9 KM MDB= 2.1 NO= 36, GAP= 56 DEG, RMS= 0.21 SEC, SDOT= 0.06 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -23 DEG; ERHMIN= 0.3 KM; ERZ= 1.1 KM; Q= A 21 Stations Used: TKL (Dmin= 21.3 km), HPKT, ORT, CBT, CRTN, LMTN, ETT, TQTN, RCT, BHT, ONTN, BBG, RBNC, WMTN, RHT, GMG, CPO, PDTN, LKGA, SLTN, and ABTN See TVA listing for arrival time data ----- *TVA OT= 14:47:38.67 LAT= 35.732N LON= 83.989W DEP= 16.9 KM MDB= 1.7 NO= 38, GAP= 56 DEG, RMS= 0.22 SEC, SDOT= 0.06 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -15 DEG; ERHMIN= 0.3 KM; ERZ= 1.1 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 21.1 113 eP 14:47:43.45 ( 0.21 ) iS 14:47:46.60 ( 0.02 ) HPKT 23.7 25 iP :43.80 ( 0.24 ) iS :47.00 (-0.13 ) ORT 34.6 305 iPc :45.20 ( 0.06 ) iS :49.68 (-0.18 ) CBT 44.6 241 P :46.50 (-0.12 ) S :51.80 (-0.63X) CRTN 53.6 14 eP :48.06 ( 0.06 ) eS :54.63 (-0.19 ) TLT 54.8 209 P :47.20 (-0.99X) S :53.80 (-1.34X) LMTN 55.1 72 ePd :48.12 (-0.12 ) iS :55.09 (-0.14 ) ETT 61.8 223 eP :49.12 (-0.14 ) iS :56.58 (-0.42 ) TQTN 70.9 250 eP :50.75 ( 0.12 ) eS :59.63 ( 0.27 ) RCT 74.6 235 P :51.40 ( 0.22 ) S :48:00.50 ( 0.18 ) DCT 84.8 208 P :51.00 (-1.77X) BHT 87.3 279 eS :03.80 ( 0.01 ) ONTN 92.6 334 iPc :53.84 (-0.14 ) eS :06.21 ( 1.05X) BBG 96.6 170 eP :54.77 ( 0.12 ) eS :05.70 (-0.61 ) RBNC 100.0 114 eP :55.63 ( 0.41 ) eS :07.42 ( 0.12 ) SMTN 102.4 45 eP :56.40 ( 0.92X) eS :08.98 ( 1.22X) WMTN 104.2 239 iP+ :55.85 ( 0.13 ) iS :09.08 ( 0.90 ) RHT 108.8 228 P :56.00 (-0.43 ) S :09.00 (-0.39 ) GMG 114.7 213 eP :57.40 ( 0.01 ) eS :11.00 (-0.05 ) ANTN 122.2 294 eP :59.30 ( 0.79X) eS :13.76 ( 0.76 ) BRTN 122.5 55 eP :59.51 ( 0.95X) eS :13.88 ( 0.80 ) CPO 144.2 265 eP :48:02.13 ( 0.26 ) eS :19.04 ( 0.23 ) PDTN 176.3 254 eP :07.43 ( 0.66 ) eS :29.54 ( 2.26X) LKGA 182.7 228 eP :08.26 ( 0.48 ) eS :30.17 ( 1.14X) SLTN 185.9 64 eP :08.49 ( 0.28 ) eS :32.02 ( 2.23X) ABTN 192.3 276 eP :09.78 ( 0.55 ) eS :32.15 ( 0.61 ) FDKY 200.2 306 eP :11.69 ( 1.26X) eS :35.66 ( 2.04X) ----- *GIT OT= 14:47:39.1 LAT= 35.711N LON= 83.997W DEP= 8.3 KM MDB= 1.7 ERHMAX= 0.3 KM, AZ= -57 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 15 Stations Used (NO= 27): TKL (Dmin= 21.0 km), HPK, ORT, CBT, TLT, LMTN, ETT, TQTN, RCT, DCT, BHT, BBG, RBNC, RHT, GMG See TVA listing for arrival time data ***** 13 FEBRUARY 1988; 05:53 - CALHOUN, TENNESSEE ***** *CERI OT= 05:53:01.40 LAT= 35.354N LON= 84.667W DEP= 12.4 KM MDB= 2.5 NO= 50, GAP= 33 DEG, RMS= 0.19 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -52 DEG; ERHMIN= 0.2 KM; ERZ= 0.3 KM; Q= A 28 Stations Used: RCT (Dmin= 1.1 km), TQTN, ETT, WMTN, CBT, RHT, DCT, GMG, BHT, ORT, RCG, CDG, CPO, TKL, BBG, HPKT, ANTN, PDTN, LKGA, CRTN, ONTN, LMTN, ABTN, RBNC, SMTN, FDKY, MSAL, and BRTN See TVA listing for arrival time data ----- *TVA OT= 05:53:01.41 LAT= 35.355N LON= 84.666W DEP= 12.5 KM MDB= 2.5 NO= 60, GAP= 33 DEG, RMS= 0.20 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -35 DEG; ERHMIN= 0.2 KM; ERZ= 0.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCT 1.2 158 P 05:53:03.63 ( 0.03 ) S 05:53:04.56 (-0.64X) TQTN 18.7 343 iPc :05.37 ( 0.09 ) iS :07.97 (-0.13 ) ETT 19.4 99 iPc :05.56 ( 0.15 ) iS :08.24 (-0.09 ) CBT 30.3 47 P :07.09 ( 0.07 ) S :11.00 (-0.11 ) WMTN 30.4 247 iPd :07.06 ( 0.02 ) iS :11.07 (-0.07 ) RHT 36.5 213 P :08.03 ( 0.04 ) S :12.54 (-0.25 ) DCT 40.2 146 P :08.86 ( 0.26 ) S :13.16 (-0.69X) GMG 54.6 180 iP :11.02 ( 0.05 ) iS :17.46 (-0.48 ) BHT 60.2 335 iPc :11.88 ( 0.02 ) eS :19.50 ( 0.02 ) ORT 69.7 28 eP :13.38 ( 0.05 ) eS :22.05 ( 0.02 ) RCG 75.1 236 ePd :14.02 (-0.15 ) eS :23.26 (-0.22 ) CDG 82.5 180 P :15.47 ( 0.18 ) S :25.29 (-0.13 ) CPO 86.9 289 eP :15.99 ( 0.01 ) iS :26.41 (-0.21 ) TKL 87.6 67 eP :16.06 (-0.02 ) iS :26.44 (-0.34 ) BBG 94.4 124 ePc :17.36 ( 0.15 ) eS :29.00 ( 0.26 ) HPKT 95.4 48 eP :16.70 (-0.56 ) eS :29.10 ( 0.27 ) ANTN 104.1 331 eP+ :18.52 (-0.10 ) eS :31.19 ( 0.01 ) PDTN 108.0 266 eP+ :19.46 ( 0.26 ) eS :31.86 (-0.32 ) LKGA 109.6 222 eP- :19.33 (-0.13 ) eS :33.25 ( 0.61 ) CRTN 119.8 38 eP- :21.04 ( 0.02 ) iS :41.18 ( 5.85X) ONTN 126.6 9 eP :21.95 (-0.13 ) eS :36.71 (-0.45 ) LMTN 128.2 62 eP+ :22.08 (-0.23 ) eS :37.21 (-0.36 ) ABTN 143.4 295 eP+ :24.95 ( 0.33 ) iS :41.96 ( 0.40 ) RBNC 152.7 89 eP :26.72 ( 0.55 ) iS :44.08 (-0.16 ) CCVA 165.2 33 eP :28.52 ( 0.55 ) eS :48.40 ( 1.04X) SMTN 175.9 49 eP :29.80 ( 0.16 ) eS :51.10 ( 0.86 ) RICH 178.6 69 eP :31.00 ( 0.93 ) eS :51.40 ( 0.42 ) FDKY 188.9 328 eP- :32.12 ( 0.53 ) eS :53.46 (-0.15 ) MSAL 191.5 253 ePd :31.83 (-0.15 ) eS :54.73 ( 0.43 ) BRTN 196.8 55 eP :33.33 ( 0.51 ) eS :57.46 ( 1.71X) BRBC 220.0 78 eP :37.10 ( 0.61 ) iS :54:03.10 ( 1.01 ) TRYN 220.3 92 eS :00.70 (-1.31X) SHTN 224.1 274 eP :37.06 ( 0.17 ) eS :03.31 ( 0.53 ) SLTN 259.6 62 eP :41.79 ( 0.59 ) eS :13.34 ( 3.10X) HAKY 259.8 319 eP :42.43 ( 1.19X) eS :13.00 ( 2.69X) PWLA 312.4 263 eP :48.91 ( 1.25X) MOTN 330.6 296 P? :51.57 ( 1.68X) S? :27.88 ( 2.60X) ----- *GIT OT= 05:53:01.9 LAT= 35.356N LON= 84.674W DEP= 7.9 KM MDB= 2.5 ERHMAX= 0.1 KM, AZ= 78 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCT 1.7 135 P 05:53:03.63 ( 0.33 ) S 05:53:04.56 ( 0.27 ) TQTN 18.4 345 P :05.37 ( 0.09 ) S :07.97 ( 0.24 ) ETT 20.2 99 P :05.56 ( 0.00 ) S :08.24 ( 0.02 ) WMTN 29.7 246 P :07.06 ( 0.00 ) S :11.07 ( 0.27 ) CBT 30.7 49 P :07.09 (-0.13 ) S :11.00 (-0.08 ) RHT 36.2 212 P :08.03 (-0.06 ) S :12.54 (-0.06 ) DCT 40.7 145 P :08.86 ( 0.03 ) S :13.26 (-0.61 ) GMG 54.7 180 P :11.02 (-0.06 ) S :17.46 (-0.32 ) BHT 59.7 336 P :11.88 (-0.01 ) S :18.76 (-0.43 ) ORT 71.0 28 P :13.38 (-0.33 ) S :22.05 (-0.29 ) RCG 74.6 236 P :14.02 (-0.29 ) S :23.26 (-0.11 ) CDG 82.6 180 P :15.47 (-0.14 ) S :25.29 (-0.33 ) CPO 86.0 289 P :15.99 (-0.16 ) S :26.41 (-0.15 ) BBG 95.3 124 P :17.36 (-0.30 ) S :29.00 (-0.17 ) PDTN 107.4 265 P :19.46 (-0.14 ) S :31.86 (-0.68 ) CRTN 119.9 39 P :21.04 (-0.59 ) ABTN 141.4 294 P :24.95 (-0.12 ) S :41.96 (-0.06 ) ***** 14 FEBRUARY 1988; 04:04 - MADISONVILLE, TENNESSEE ***** *CERI OT= 04:04:52.25 LAT= 35.593N LON= 84.330W DEP= 12.6 KM MDB= 1.6 NO= 31, GAP= 68 DEG, RMS= 0.16 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/A ERHMAX= 0.3 KM, AZ= -34 DEG; ERHMIN= 0.2 KM; ERZ= 0.4 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 10.1 234 P 04:04:55.20 ( 0.14 ) S 04:04:57.20 ( 0.08 ) ETT 31.7 201 iPd :58.13 ( 0.03 ) iS :05:02.22 (-0.15 ) TLT 32.6 173 S :02.60 (-0.01 ) ORT 35.2 4 eP :59.22 ( 0.58X) eS :03.16 (-0.15 ) TQTN 36.9 257 eP :58.98 ( 0.08 ) eS :03.65 (-0.11 ) RCT 40.7 228 P :05:00.00 ( 0.49X) S :04.90 ( 0.09 ) TKL 50.8 82 eP :01.60 ( 0.46 ) iS :07.55 (-0.09 ) HPKT 55.0 48 eS :10.20 ( 1.39X) DCT 60.3 188 P :02.60 (-0.09 ) S :08.90 (-1.41X) BHT 62.4 297 eS :10.77 (-0.23 ) WMTN 69.8 237 eP :04.34 ( 0.16 ) iS :12.73 (-0.16 ) RHT 76.0 222 S :13.80 (-0.72 ) CRTN 80.6 33 iPc :06.03 ( 0.20 ) eS :15.83 ( 0.08 ) GMG 86.7 201 eS :17.52 ( 0.05 ) LMTN 89.4 68 eS :17.83 (-0.27 ) BBG 92.6 149 iP :08.02 ( 0.26 ) eS :19.20 ( 0.12 ) ONTN 99.2 354 P? :08.56 (-0.14 ) eS :19.94 (-0.77X) ANTN 103.7 309 eP- :09.37 (-0.02 ) S? :22.42 ( 0.51 ) CPO 112.7 271 eS :24.37 ( 0.08 ) RBNC 124.7 102 eS :27.87 ( 0.22 ) SMTN 135.6 49 eP :14.80 ( 0.52 ) PDTN 142.5 256 eS :32.43 ( 0.29 ) ABTN 164.2 282 eP :19.41 ( 0.77 ) eS :39.06 ( 1.16X) FDKY 187.1 316 eP :22.86 ( 0.72 ) eS :48.10 ( 4.15X) ----- *TVA OT= 04:04:52.29 LAT= 35.591N LON= 84.328W DEP= 12.6 KM MDB= 1.2 NO= 32, GAP= 68 DEG, RMS= 0.19 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.3 KM, AZ= -40 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A 22 Stations Used: CBT (Dmin= 10.1 km), ETT, TLT, ORT, TQTN, RCT, TKL, DCT, BHT, WMTN, CRTN, GMG, LMTN, BBG, ONTN, ANTN, CPO, RBNC, SMTN, PDTN, ABTN, and FDKY See CERI listing for arrival time data ----- *GIT OT= 04:04:52.8 LAT= 35.595N LON= 84.336W DEP= 10.1 KM MDB= 1.4 ERHMAX= 0.4 KM, AZ= -42 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.3 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBT 9.8 231 P 04:04:55.20 ( 0.07 ) S 04:04:57.20 ( 0.36 ) TKL 29.7 82 S :05:07.50 ( 0.00 ) TLT 33.0 172 S :02.60 (-0.07 ) TQTN 36.4 256 P :58.98 (-0.05 ) S :03.65 ( 0.05 ) ORT 36.5 4 S :03.16 (-0.46 ) RCT 40.5 227 P :05:00.00 ( 0.32 ) S :04.90 ( 0.17 ) DCT 60.5 187 P :02.60 (-0.28 ) WMTN 69.6 236 P :04.34 ( 0.00 ) S :12.73 (-0.07 ) RHT 76.0 221 S :13.80 (-0.79 ) CRTN 80.5 34 P :06.03 (-0.07 ) S :15.83 (-0.03 ) ***** 14 FEBRUARY 1988; 11:40 - JEFFERSON CITY, TENNESSEE ***** *TVA Probable earthquake *CERI OT= 11:40:46.94 LAT= 36.085N LON= 83.599W DEP= 12.1 KM MDB= 1.9 NO= 14, GAP= 155 DEG, RMS= 0.20 SEC, SDOT= 0.08 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= 57 DEG; ERHMIN= 0.4 KM; ERZ= 1.2 KM; Q= A 9 Stations Used: CRTN (Dmin= 25.2 km), LMTN, HPKT, SMTN, TKL, BRTN, RICH, RBNC, and BRBC See TVA listing for arrival time data ----- *TVA OT= 11:40:47.07 LAT= 36.084N LON= 83.598W DEP= 10.0 KM MDB= 1.7 NO= 15, GAP= 155 DEG, RMS= 0.17 SEC, SDOT= 0.09 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= 36 DEG; ERHMIN= 0.3 KM; ERZ= 1.6 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 25.4 301 eP 11:40:51.72 (-0.07 ) iS 11:40:55.22 (-0.02 ) LMTN 27.6 142 eP+ :51.82 (-0.33 ) iS :55.93 ( 0.07 ) HPKT 30.8 236 eS :56.80 ( 0.10 ) TKL 49.8 199 eP :56.55 ( 0.81X) eS :41:02.13 ( 0.06 ) SMTN 49.9 48 eP :56.08 ( 0.29 ) eS :02.22 ( 0.07 ) ORT 66.6 253 eS :08.00 ( 1.15X) BRTN 72.3 65 P? :59.82 ( 0.36 ) eS :07.91 (-0.58 ) RICH 72.5 104 eS :08.75 ( 0.14 ) ONTN 87.9 300 S? :13.06 ( 0.24 ) RBNC 97.8 145 eP :41:03.38 (-0.20 ) eS :15.53 (-0.09 ) TQTN 119.8 239 eS :25.60 ( 4.37X) BRBC 124.4 108 eP :07.30 (-0.37 ) eS :21.90 (-0.80X) BBG 135.6 188 eS :26.50 ( 0.94X) SLTN 138.6 73 eS :27.90 ( 1.72X) ANTN 147.4 274 S? :29.79 ( 1.21X) TRYN 152.3 126 eS :32.00 ( 2.08X) WMTN 155.3 234 eS :32.48 ( 1.85X) ABTN 227.5 265 eS :51.14 ( 1.49X) ***** 16 FEBRUARY 1988; 15:26 - BRISTOL, TENNESSEE ***** *NEIS Felt (IV) at Bristol and Blountville, TN. Also felt (IV) at Hiltons, VA *VTSO Maximum intensity IV (MM). Felt in parts of Washington and Scott Counties, VA, and Sullivan County, TN *TVA Possible rockburst; felt *NEIS OT= 15:26:54.53 LAT= 36.561N LON= 82.304W DEP= 5.0FXD KM mb(Lg)= 3.2 NO= 12 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SMTN 81.2 256 P 15:27:08.20 (- 0.9 ) PLVA 103.4 83 P :12.10 (- 0.7 ) PKNC 117.9 119 P :14.50 (- 0.5 ) CCVA 122.3 273 P :15.90 ( 0.3 ) BENN 124.5 152 P :16.20 ( 0.1 ) PWV 141.2 52 P :18.00 (- 0.6 ) TRYN 145.7 179 P :19.10 (- 0.2 ) RBNC 146.8 205 P :20.00 ( 0.4 ) NAV 159.0 58 P :21.00 (- 0.2 ) TKL 165.7 233 P :22.00 ( 0.0 ) BLA 182.4 66 P :24.50 ( 0.3 ) VWV 197.9 59 P :27.00 ( 0.8 ) BBG 231.3 217 P :33.00 ( 2.3X) ETT 238.0 235 P :33.60 ( 2.2X) BHT 250.2 252 P :34.90 ( 1.8X) GMG 284.7 229 P :39.40 ( 1.9X) RSCP 314.7 251 P :39.80 (- 1.4X) ----- *CERI OT= 15:26:54.70 LAT= 36.617N LON= 82.288W DEP= 10.9 KM MDB= 3.2 NO= 24, GAP= 180 DEG, RMS= 0.32 SEC, SDOT= 0.16 SEC, Q= D, SQD= C/D ERHMAX= 1.3 KM, AZ= -6 DEG; ERHMIN= 0.5 KM; ERZ= 1.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SLTN 24.4 142 iPc 15:26:59.18 (-0.09 ) BRTN 59.4 241 eP- :27:04.78 (-0.21 ) iS 15:26:13.24 ( 0.75 ) SMTN 84.2 252 eP :08.65 (-0.33 ) RICH 90.9 212 eP :09.85 (-0.17 ) eS :21.20 (-0.01 ) BRBC 97.4 180 ePd :10.91 (-0.19 ) eS :22.60 (-0.48X) PLVA 101.0 87 eP+ :11.95 ( 0.35 ) iS :24.09 ( 0.16 ) PKNC 119.6 122 eP+ :14.45 ( 0.05 ) eS :28.40 (-0.38 ) CCVA 123.3 270 eP :15.75 ( 0.80X) eS :31.37 ( 1.64X) LMTN 129.3 232 eP :15.35 (-0.52 ) eS :33.80 ( 2.47X) BENN 129.6 154 eP+ :16.25 ( 0.31 ) eS :32.02 ( 0.57 ) CRTN 146.8 252 eP :19.19 ( 0.66 ) eS :35.71 (-0.22 ) TRYN 149.8 179 eP :19.47 ( 0.44 ) iS :37.45 ( 0.65 ) RBNC 153.3 204 eP :20.03 ( 0.38 ) eS :37.57 (-0.29 ) HPKT 162.2 242 eP :21.60 ( 0.72 ) eS :42.40 ( 2.41X) TKL 170.9 232 eP :23.07 ( 0.86X) eS :43.10 ( 0.80 ) ONTN 193.6 266 ePc :26.57 ( 0.86 ) eS :49.89 ( 1.54X) ORT 197.5 247 eP+ :26.96 ( 0.67 ) eS :52.52 ( 3.17X) BBG 237.4 216 ePc :32.95 ( 0.46X) iS :27:01.65 ( 1.58X) ETT 242.3 234 eP :33.40 ( 0.23X) eS :02.02 ( 0.77X) TQTN 251.3 242 eP- :34.53 ( 0.27X) eS :06.14 ( 3.01X) BHT 253.7 251 eP :34.90 ( 0.28X) RCT 256.3 237 P :34.60 (-0.27X) S :04.70 ( 0.50X) DCT 259.1 229 P :34.90 (-0.34X) ANTN 268.6 260 eP :36.94 ( 0.52X) eS :09.23 ( 2.35X) LDV 276.0 188 P :38.00 ( 0.74X) S :09.21 ( 0.88X) BEV 283.3 188 P :38.50 ( 0.34X) S :10.02 ( 0.14X) WMTN 285.9 239 iPc :38.70 ( 0.19X) eS :15.36 ( 4.87X) GMG 290.3 229 eP :39.20 ( 0.06X) FDKY 313.9 275 eP :42.83 ( 0.91X) eS :23.26 ( 6.88X) CPO 316.4 250 eP :42.65 ( 0.39X) eS :23.33 ( 6.35X) RCG 331.2 238 eP :45.30 ( 1.25X) ABTN 352.9 258 eP+ :47.14 ( 0.45X) eS :27.60 ( 2.96X) PDTN 354.2 246 eP+ :46.98 ( 0.13X) eS :33.64 ( 8.73X) LKGA 363.4 233 eP :48.16 ( 0.14X) HAKY 387.0 279 eP :51.89 ( 1.08X) eS :34.27 ( 2.50X) SHTN 454.8 255 eP :59.81 ( 0.67X) MOTN 509.7 272 eP :28:07.75 ( 1.91X) ----- *VTSO OT= 15:26:54.78 LAT= 36.600N LON= 82.292W DEP= 3.5 KM mb(Lg)= 3.3 MDB= 3.1 NO= 33, GAP= 139 DEG, RMS= 0.27 SEC, SDOT= 0.13 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -20 DEG; ERHMIN= 0.4 KM; ERZ= 1.4 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SLTN 23.2 139 eP 15:26:59.20 ( 0.22 ) BRTN 58.3 243 eP :27:04.80 (-0.17 ) SMTN 83.4 253 eP :09.10 (-0.03 ) RICH 89.2 212 eP :10.00 (-0.10 ) BRBC 95.6 180 eP :11.00 (-0.22 ) 15:26:22.65 ( 0.07 ) PLVA 101.4 86 eP :12.05 (-0.10 ) :24.30 ( 0.10 ) PKNC 118.9 121 eP :14.53 (-0.36 ) :28.50 (-0.43 ) CCVA 123.1 271 eP :15.85 ( 0.34 ) BENN 128.1 154 eP :16.18 (-0.14 ) :32.02 ( 0.67 ) WMV 130.6 64 eP :16.29 (-0.43 ) PWV 137.4 53 eP :17.73 ( 0.00 ) :34.17 ( 0.41 ) PUV 139.8 70 eP :17.87 (-0.21 ) :35.07 ( 0.72 ) CRTN 145.9 253 eP :19.10 ( 0.10 ) TRYN 150.3 179 eP :19.47 (-0.24 ) :37.42 ( 0.30 ) RBNC 151.5 205 eP :20.03 ( 0.05 ) :37.57 ( 0.02 ) NAV 155.2 59 eP :20.52 ( 0.08 ) HWV 169.4 49 eP :22.66 ( 0.06 ) TKL 169.5 232 eP :23.07 ( 0.46 ) BLA 180.0 67 eP :25.30 ( 1.06X) ONTN 193.1 267 eP :26.50 ( 0.25 ) VWV 194.4 60 eP :26.46 (-0.01 ) BBG 235.7 216 eP :32.97 ( 0.13 ) ETT 241.0 235 eP :33.58 ( 0.01 ) BHT 252.8 251 eP :34.90 (-0.50 ) GMG 290.9 228 eP :39.38 (-0.77 ) RCG 329.9 238 eP :45.13 ( 0.29 ) ----- *TVA OT= 15:26:54.83 LAT= 36.595N LON= 82.274W DEP= 4.0 KM MDB= 3.3 NO= 70, GAP= 67 DEG, RMS= 0.40 SEC, SDOT= 0.12 SEC, Q= C, SQD= C/C ERHMAX= 0.6 KM, AZ= -22 DEG; ERHMIN= 0.3 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SLTN 21.7 141 iPc 15:26:59.18 ( 0.43 ) BRTN 59.4 244 eP- :27:04.63 (-0.55 ) iS 15:26:13.24 ( 0.51 ) SMTN 84.7 254 eP :08.65 (-0.72 ) RICH 89.5 213 eP :09.85 (-0.32 ) eS :21.20 (-0.18 ) BRBC 94.9 181 ePd :10.91 (-0.22 ) eS :22.60 (-0.44 ) PLVA 99.9 85 eP+ :11.95 ( 0.04 ) iS :24.09 (-0.29 ) PKNC 117.3 121 eP+ :14.45 (-0.19 ) eS :28.40 (-0.71 ) CCVA 124.6 271 eP :15.75 ( 0.00 ) eS :31.37 ( 0.35 ) BENN 126.9 154 eP+ :16.25 ( 0.13 ) eS :32.02 ( 0.35 ) LMTN 128.8 233 eP :14.77 (-1.63X) iS :33.09 ( 0.94 ) WMV 129.5 63 eP :16.29 (-0.26 ) eS :31.34 (-1.06 ) PWV 136.6 53 eP :17.73 ( 0.13 ) eS :34.17 (-0.05 ) PUV 138.5 69 eP :17.87 (-0.02 ) eS :35.07 ( 0.35 ) CRTN 147.2 253 eP :19.19 (-0.02 ) eS :37.41 ( 0.41 ) TRYN 147.3 179 eP :19.47 ( 0.21 ) iS :37.45 ( 0.36 ) RBNC 151.6 205 eP :20.03 ( 0.03 ) eS :37.57 (-0.80 ) NAV 154.3 58 eP :20.52 ( 0.21 ) eS :43.01 ( 4.11X) HPKT 162.2 243 eP :21.60 ( 0.12 ) eS :42.40 ( 1.46X) HWV 168.7 49 eP :22.66 ( 0.17 ) eS :43.24 ( 0.56 ) TKL 170.4 233 eP :23.07 ( 0.33 ) eS :43.10 (-0.02 ) BLA 178.7 67 eP :25.30 ( 1.26 ) eS :46.10 ( 0.73 ) VWV 193.4 59 eP :26.46 ( 0.14 ) eS :50.70 ( 1.40 ) ONTN 194.7 267 ePc :26.57 ( 0.08 ) eS :50.39 ( 0.79 ) ORT 197.7 248 eP+ :26.96 ( 0.03 ) eS :52.52 ( 2.16X) PKKY 209.6 342 :28.60 (-0.11 ) :53.60 ( 0.16 ) BBG 236.2 217 ePc :32.95 ( 0.07 ) iS :27:01.65 ( 0.99 ) ETT 241.9 235 eP :33.40 (-0.09 ) eS :02.02 ( 0.31 ) TQTN 251.3 242 eP- :34.53 (-0.06 ) eS :06.14 ( 2.53X) BHT 254.1 252 eP :34.90 (-0.11 ) BHKY 254.3 310 :02.50 (-1.70 ) RCT 256.1 238 P :34.60 (-0.58 ) S :04.70 ( 0.07 ) DCT 258.4 229 P :34.90 (-0.60 ) ANTN 269.5 261 eP :36.94 ( 0.08 ) eS :09.23 ( 1.69 ) L6KY 269.9 304 :36.90 ( 0.07 ) LDV 273.7 188 P :38.00 ( 0.68 ) S :09.21 ( 0.87 ) BEV 281.1 189 P :38.50 ( 0.28 ) S :10.02 ( 0.13 ) WMTN 285.8 239 iPc :38.70 (-0.12 ) eS :15.36 ( 4.42X) GMG 289.7 229 eP :39.20 (-0.19 ) FDKY 315.4 275 eP :42.83 ( 0.40 ) eS :23.26 ( 6.08X) CPO 316.8 251 eP :42.65 ( 0.01 ) eS :23.33 ( 5.79X) RCG 330.9 238 eP :45.30 ( 0.95 ) ABTN 353.6 258 eP+ :47.14 ( 0.03 ) eS :27.60 ( 2.33X) PDTN 354.4 247 eP+ :46.98 (-0.22 ) eS :33.64 ( 8.20X) LKGA 363.0 234 eP :48.16 (-0.14 ) eS :37.00 ( 9.67X) HAKY 388.6 280 eP :51.89 ( 0.52 ) eS :34.27 ( 1.62X) MSAL 442.7 245 eP :58.15 ( 0.15X) SHTN 455.4 255 eP :59.81 ( 0.26X) MOTN 511.1 272 eP :28:07.75 ( 1.41X) ***** 17 FEBRUARY 1988; 11:30 - MORRISTOWN, TENNESSEE ***** *TVA Probable earthquake *TVA OT= 11:30:23.90 LAT= 36.284N LON= 83.468W DEP= 5.1 KM MDB= 0.1 NO= 10, GAP= 172 DEG, RMS= 0.10 SEC, SDOT= 0.18 SEC, Q= C, SQD= B/C ERHMAX= 0.6 KM, AZ= -18 DEG; ERHMIN= 0.2 KM; ERZ= 2.0 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SMTN 27.9 67 iPd 11:30:29.08 ( 0.11 ) eS 11:30:32.55 (-0.12 ) CRTN 34.8 255 iP :30.05 (-0.05 ) eS :34.65 ( 0.03 ) BRTN 54.5 81 P? :33.17 (-0.19 ) eS :40.43 ( 0.16 ) RICH 71.1 125 eP :35.77 (-0.36 ) eS :44.97 (-0.09 ) TKL 74.8 202 eP :36.65 (-0.05 ) eS :46.12 ( 0.08 ) ----- *CERI OT= 11:30:24.06 LAT= 36.282N LON= 83.461W DEP= 7.0 KM MDB= 0.7 NO= 5, GAP= 224 DEG, RMS= 0.07 SEC, SDOT= 0.88 SEC, Q= D, SQD= D/D ERHMAX= 3.3 KM, AZ= -19 DEG; ERHMIN= 1.9 KM; ERZ= 51.5 KM; Q= D 3 Stations Used: SMTN (Dmin= 27.4 km), RICH, and TKL See TVA listing for arrival time data ***** 17 FEBRUARY 1988; 17:33 - AIKEN, SOUTH CAROLINA ***** *NEIS Felt at Aiken, SC *NEIS OT= 17:33:33.04 LAT= 33.605N LON= 81.715W DEP= 5.0FXD KM mb(Lg)= 2.5 NO= 7 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) PRM 80.1 312 eP 17:33:47.80 ( 0.4 ) JSC 85.6 29 eP :48.80 ( 0.3 ) LDVG 107.9 304 P :52.70 ( 0.8 ) BEVG 109.0 300 P :34:06.70 ( 14.7X) LHS 127.9 41 eP :33:55.30 ( 0.3 ) ETG 155.7 258 P :59.30 ( 0.0 ) ATL 244.6 266 P :34:40.90 ( 30.2X) TKL 295.8 321 P :16.00 (- 1.3 ) DCT 295.8 304 P :22.00 ( 4.6X) BLA 417.0 16 eP :32.50 (- 0.4 ) ----- *CERI OT= 17:33:33.53 LAT= 33.533N LON= 81.712W DEP= 5.7 KM MDB= 2.5 NO= 23, GAP= 133 DEG, RMS= 0.48 SEC, SDOT= 0.40 SEC, Q= D, SQD= C/D ERHMAX= 1.1 KM, AZ= 37 DEG; ERHMIN= 0.7 KM; ERZ= 3.8 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) PRM 85.8 316 P 17:33:48.10 (-0.01 ) S 17:33:58.45 (-0.30 ) VRN 90.3 127 P :48.69 (-0.14 ) S :59.90 (-0.10 ) JSC 92.8 27 P :49.14 (-0.11 ) S :34:00.95 ( 0.22 ) BEV 112.9 303 P :53.61 ( 1.14 ) S :06.66 ( 0.35 ) LDV 113.0 308 P :52.71 ( 0.22 ) S :05.97 (-0.36 ) ETG 154.8 260 P :59.33 ( 0.44 ) S :16.74 (-0.66 ) TRYN 198.6 346 eP :34:04.50 (-1.16 ) eS :27.90 (-1.21 ) BENN 225.5 1 eP :10.61 ( 0.83 ) eS :31.50 (-4.74X) RBNC 233.8 330 eP :09.32 (-1.82 ) eS :35.12 (-3.48X) BBG 244.1 308 eP :13.50 ( 0.83 ) eS :39.90 (-1.34 ) ATL 244.3 268 S :40.08 (-1.05 ) BRBC 250.4 348 eP :14.60 ( 0.91 ) eS :39.22 (-3.78X) PKNC 283.4 10 eP :19.90 ( 2.24X) RICH 283.5 339 eP :18.10 ( 0.40 ) eS :52.00 ( 2.06 ) DCT 301.1 305 P :22.01 ( 2.23X) TKL 302.3 322 eP :26.90 ( 6.99X) eS :55.40 ( 1.62 ) PLVA 351.3 8 eP :27.00 ( 0.97X) eS :59.00 (-5.36X) ----- *USGS OT= 17:33:33.88 LAT= 33.547N LON= 81.696W DEP= 5.9 KM ML= 2.4 NO= 28, RMS= 0.295 SEC, dx= 0.977 km, dy= 1.551 km, dz= 3.383 km STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MTT 23.4 14 iPd 17:33:38.75 ( 0.20 ) PRM 85.1 314 iPc :48.14 (-0.56 ) S 17:33:58.35 (-0.42 ) VRN 89.8 129 ePc :48.66 (-0.34 ) S :59.83 ( 0.03 ) JSC 91.1 26 iPc :49.11 (-0.28 ) S :34:00.89 ( 0.23 ) COW 94.1 101 iPd :49.73 (-0.05 ) S :00.67 (-0.16 ) LDV 112.2 306 P :52.71 ( 0.05 ) S :05.97 (-0.01 ) BEV 112.4 302 P :53.61 ( 0.90 ) S :06.66 ( 0.30 ) LHS 132.5 38 iPc :55.57 (-0.25 ) S :11.75 ( 0.19 ) PBS 136.3 102 ePd :56.82 ( 0.19 ) S :13.10 ( 0.07 ) WAS 153.4 120 ePc :58.98 ( 0.22 ) S :17.35 ( 0.24 ) RGR 156.7 116 ePc :58.51 (-0.56 ) S :17.60 ( 0.07 ) ETG 157.1 259 P :59.33 ( 0.13 ) S :16.74 (-0.38 ) MGS 161.6 116 ePd :34:00.16 ( 0.35 ) S :20.00 ( 0.72 ) TRK 184.6 104 ePc :02.30 ( 0.07 ) VEW 187.5 119 ePd :03.08 ( 0.03 ) DCT 297.7 304 P :22.01 ( 5.44 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 5.0 25.0 150.0 Nodal Plane: 122.6 77.8 68.0 P Axis: -129.7 60.6 T Axis: 7.0 37.8 ----- *USC OT= 17:33:34.35 LAT= 33.545N LON= 81.702W DEP= 11.7 KM MDL= 2.6 NO= 12, GAP= 213 DEG, RMS RES= 0.09 SEC, Q= C, SQD= A/D ERH= 0.5 KM, ERZ= 0.8 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MTT 23.7 15 iPd 17:33:38.76 ( 0.14 ) S 17:33:40.00 (-1.96X) MR02 84.1 31 iPd :48.00 (-0.12 ) S :58.78 (-0.08X) PRM 85.5 314 iPu :48.20 (-0.09 ) S :58.44 (-0.72X) MR05 87.1 23 eP+ :48.58 ( 0.04 ) S :59.68 ( 0.07X) MR9A 89.3 23 eP- :49.10 ( 0.20X) MR6A 90.4 24 eP+ :49.00 (-0.07 ) S :59.20 (-1.36X) JSC 91.2 27 ePu :49.18 (-0.02 ) S :34:00.95 ( 0.16X) MR10 94.0 21 eP+ :49.69 ( 0.03 ) S :01.50 (-0.10X) COW 94.7 101 iPd :49.72 (-0.05 ) S :00.72 (-1.07X) MR01 95.0 23 iPu :49.82 ( 0.00 ) S :01.85 (-0.03X) MR07 98.0 21 eP- :50.31 ( 0.02 ) S :02.92 ( 0.20X) MR08 99.6 16 eP+ :50.49 (-0.05 ) S :02.68 (-0.50X) LHS 132.5 39 ePd :55.54 (-0.29 ) S :11.76 (-0.82X) ***** 18 FEBRUARY 1988; 00:37 - ALMOND, NORTH CAROLINA ***** *TVA Earthquake, possibly reservoir related (Santeetlah Lake, NC); felt *NEIS Felt (IV) at Almond, Aquone, Fontana Dam and Robbinsville, NC *CERI OT= 00:37:45.41 LAT= 35.341N LON= 83.836W DEP= 4.4 KM MDB= 3.5 NO= 53, GAP= 48 DEG, RMS= 0.28 SEC, SDOT= 0.15 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= -40 DEG; ERHMIN= 0.3 KM; ERZ= 1.8 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 35.6 9 iPd 00:37:51.76 (-0.02 ) iS 00:37:56.30 (-0.13 ) TLT 40.8 264 ePc :52.94 ( 0.29 ) BBG 51.8 177 iPc :54.50 (-0.02 ) eS :38:00.12 (-1.05 ) ETT 56.3 269 ePd :55.20 ( 0.00 ) iS :01.68 (-0.67 ) CBT 57.4 293 ePc :56.05 ( 0.67 ) eS :02.78 ( 0.12 ) DCT 61.9 239 iPd :56.33 ( 0.21 ) HPK 65.0 357 iPc :56.60 (-0.03 ) eS :04.20 (-0.63 ) LMTN 71.9 32 eP- :57.19 (-0.59 ) RCT 75.0 271 ePd :58.61 ( 0.34 ) eS :07.53 (-0.13 ) ORT 76.0 326 eP- :58.82 ( 0.37 ) iS :08.32 ( 0.34 ) RBNC 77.3 88 iPd :58.75 (-0.01 ) eS :07.42 (-1.09X) TQTN 83.1 284 ePd :59.69 ( 0.08 ) eS :10.20 ( 0.22 ) GMG 92.7 235 ePd :38:01.02 (-0.24 ) eS :14.04 ( 1.21X) CRTN 95.3 360 ePc :01.48 (-0.17 ) eS :13.15 (-0.35 ) RHT 99.6 253 ePd :02.46 ( 0.12 ) eS :14.68 (-0.02 ) WMTN 103.9 265 ePd :02.97 (-0.09 ) CDG 111.2 224 ePd :03.81 (-0.40 ) eS :17.63 (-0.31 ) RICH 112.3 55 eP- :04.40 (-0.04 ) eS :20.76 ( 2.42X) BHT 115.1 300 eP :05.14 ( 0.28 ) eS :19.86 ( 0.81X) SMTN 129.8 27 eP+ :07.08 (-0.02 ) eS :24.32 ( 1.39X) ONTN 137.9 337 ePd :08.25 (-0.08 ) eS :22.20 (-2.87X) CCVA 140.9 6 eP :08.96 ( 0.19 ) eS :25.86 ( 0.03 ) BRTN 142.7 38 ePc :09.17 ( 0.11 ) iS :26.84 ( 0.51 ) RCG 143.6 254 eP- :09.26 ( 0.07 ) eS :30.34 ( 3.80X) TRYN 144.9 93 eP- :09.94 ( 0.51 ) eS :27.42 ( 0.46 ) BRBC 147.4 72 ePd :09.98 ( 0.08 ) eS :29.12 ( 1.33 ) ANTN 156.3 307 ePd :11.26 ( 0.12 ) CPO 160.3 281 ePc :12.22 ( 0.46 ) eS :31.16 ( 0.16 ) LDV 169.1 141 eP :13.81 ( 0.74 ) eS :34.48 ( 1.22X) LKGA 169.2 242 iPd :13.09 (-0.04 ) eS :34.20 ( 0.83 ) BEV 171.7 144 iPd :14.00 ( 0.53X) eS :35.67 ( 1.71X) PDTN 183.2 268 ePd :15.62 ( 0.37 ) eS :36.00 (-1.03X) SBTN 187.0 46 iPc :15.85 ( 0.01 ) iS :39.25 ( 1.20X) GFTN 192.2 41 eP+ :16.80 ( 0.18 ) eS :41.95 ( 2.54X) HHTN 196.7 44 eP :17.55 ( 0.22 ) eS :42.70 ( 2.07X) SLTN 197.4 51 ePd :17.66 ( 0.26 ) eS :42.10 ( 1.35X) BENN 199.0 82 iPd :18.30 ( 0.58 ) eS :41.52 ( 0.22X) BFT 209.3 44 eS :47.00 ( 3.03X) ABTN 214.6 287 iPd :20.54 ( 0.49X) iS :46.85 ( 1.51X) ATL 216.5 192 iPd :20.69 ( 0.35X) eS :46.96 ( 1.12X) HGA 219.5 237 eP :20.93 ( 0.12X) eS :47.74 ( 1.09X) ETG 231.7 169 eP :22.73 ( 0.08X) eS :50.33 ( 0.49X) FDKY 238.7 313 eP- :24.02 ( 0.29X) eS :53.00 ( 1.29X) OCA 250.6 252 eP :25.39 (-0.17X) eS :55.50 ( 0.64X) PKNC 254.8 71 iPd :25.96 (-0.24X) iS :55.58 (-0.40X) PLVA 282.6 58 iPd :29.20 (-0.47X) iS :39:01.00 (-0.98X) WMV 323.8 52 ePd :34.11 (-0.58X) eS :10.72 ( 0.06X) PUV 329.7 55 ePd :34.87 (-0.47X) eS :11.65 (-0.14X) PWV 334.0 48 ePd :35.60 (-0.29X) eS :13.95 ( 1.20X) NAV 350.4 50 eP- :37.25 (-0.61X) eS :15.05 (-1.10X) HWV 366.6 46 ePd :39.26 (-0.58X) eS :19.05 (-0.52X) BLA 370.4 55 eP- :39.89 (-0.43X) eS :20.12 (-0.28X) ----- *TVA OT= 00:37:45.42 LAT= 35.346N LON= 83.837W DEP= 2.4 KM MDB= 3.3 NO= 91, GAP= 31 DEG, RMS= 0.32 SEC, SDOT= 0.08 SEC, Q= C, SQD= C/C ERHMAX= 0.3 KM, AZ= -32 DEG; ERHMIN= 0.2 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 35.0 9 iPd 00:37:51.76 ( 0.10 ) iS 00:37:56.30 ( 0.08 ) TLT 40.9 263 Pd :52.94 ( 0.24 ) BBG 52.5 177 iPc :54.50 (-0.26 ) eS :38:00.12 (-1.46X) ETT 56.3 268 ePd :55.20 (-0.14 ) iS :01.68 (-0.91X) CBT 57.2 292 Pd :56.05 ( 0.57 ) S :02.85 ( 0.03 ) DCT 62.2 239 Pc :56.33 ( 0.01 ) HPKT 64.4 357 iPc :56.60 (-0.07 ) eS :04.20 (-0.69 ) LMTN 71.3 33 eP- :57.19 (-0.65 ) RCT 75.0 270 Pc :58.61 ( 0.20 ) S :07.53 (-0.36 ) ORT 75.5 326 eP- :58.82 ( 0.31 ) iS :08.32 ( 0.25 ) RBNC 77.3 89 iPd :58.75 (-0.15 ) eS :07.42 (-1.33X) TQTN 82.9 283 ePd :59.69 (-0.04 ) eS :10.20 ( 0.03 ) GMG 93.1 235 ePd :38:01.02 (-0.44 ) eS :14.04 ( 0.88 ) CRTN 94.7 360 ePc :01.48 (-0.21 ) eS :13.15 (-0.42 ) RHT 99.7 253 Pc :02.46 (-0.05 ) S :14.68 (-0.31 ) WMTN 104.0 264 ePd :02.97 (-0.24 ) CDG 111.6 223 P :03.81 (-0.66 ) S :17.63 (-0.75 ) RICH 112.0 55 eP- :04.40 (-0.18 ) eS :20.76 ( 2.19X) BHT 114.8 299 eP :05.14 ( 0.14 ) eS :19.86 ( 0.56 ) SMTN 129.2 27 eP+ :07.08 (-0.13 ) eS :24.32 ( 1.21X) ONTN 137.4 337 ePd :08.25 (-0.19 ) eS :22.20 (-3.04X) CCVA 140.2 6 eP :08.96 ( 0.09 ) eS :25.86 (-0.13 ) BRTN 142.2 38 ePc :09.17 (-0.01 ) iS :26.84 ( 0.31 ) RCG 143.7 254 eP- :09.26 (-0.14 ) eS :30.34 ( 3.43X) TRYN 144.9 93 eP- :09.94 ( 0.31 ) eS :27.42 ( 0.12 ) BRBC 147.2 72 ePd :09.98 (-0.09 ) eS :29.12 ( 1.06X) ANTN 155.9 306 ePd :11.26 (-0.01 ) CPO 160.2 281 ePc :12.22 ( 0.28 ) eS :31.16 (-0.13 ) LKGA 169.5 242 iPd :13.09 (-0.28 ) eS :34.20 ( 0.43 ) LDV 169.6 141 ePc :13.81 ( 0.47 ) :34.48 ( 0.76 ) BEV 172.2 144 Pc :14.35 ( 0.61 ) S :35.67 ( 1.26X) PDTN 183.3 268 ePd :15.62 ( 0.18 ) eS :36.00 (-1.36X) SBTN 186.6 46 iPc :15.85 (-0.11 ) iS :39.25 ( 0.99 ) GFTN 191.7 42 eP+ :16.80 ( 0.05 ) eS :41.95 ( 2.34X) HHTN 196.3 45 eP :17.55 ( 0.10 ) eS :42.70 ( 1.86X) SLTN 197.0 51 ePd :17.66 ( 0.13 ) eS :42.10 ( 1.13 ) BENN 199.0 82 iPd :18.30 ( 0.40 ) eS :41.52 (-0.09 ) BFT 208.8 44 eS :47.00 ( 2.82X) ABTN 214.4 287 iPd :20.54 ( 0.33 ) iS :46.85 ( 1.23 ) ATL 217.1 192 Pd :20.69 ( 0.07 ) S :46.96 ( 0.64 ) HGA 219.8 237 Pd :20.93 (-0.12 ) S :47.74 ( 0.68 ) ETG 232.3 169 P :22.73 (-0.21 ) S :50.33 ( 0.01 ) FDKY 238.3 313 eP- :24.02 ( 0.22 ) eS :53.00 ( 1.19 ) OCA 250.8 252 P :25.39 ( 0.07 ) S :55.52 ( 1.07 ) PKNC 254.6 71 iPd :25.96 ( 0.11 ) iS :55.58 ( 0.21 ) JSC 263.9 116 eP :26.30 (-0.61 ) MSAL 264.5 259 eP :27.03 ( 0.02 ) eS :57.25 (-0.11 ) PLVA 282.2 58 iPd :29.20 (-0.11 ) iS :39:01.00 (-0.35 ) TDA 283.7 226 eP :30.39 ( 1.05 ) eS :04.30 ( 2.90X) HAKY 314.9 309 eP :34.01 ( 0.86 ) eS :11.73 ( 3.74X) WMV 323.4 52 ePd :34.11 (-0.21 ) eS :10.72 ( 0.70 ) PUV 329.3 55 ePd :34.87 (-0.11 ) eS :11.65 ( 0.50 ) PWV 333.6 48 ePd :35.60 ( 0.08 ) eS :13.95 ( 1.85X) NAV 350.0 50 ePd :37.25 (-0.24 ) eS :15.05 (-0.46 ) HWV 366.2 46 ePd :39.26 (-0.20 ) eS :19.05 ( 0.13 ) BLA 370.1 55 ePd :39.89 (-0.07 ) eS :20.12 ( 0.35 ) VWV 388.3 52 eP :42.28 ( 0.05 ) eS :25.21 ( 1.52X) MOTN 400.0 292 eP :44.31 ( 0.76 ) eS :35.98 ( 9.99X) ----- *GIT OT= 00:37:45.7 LAT= 35.337N LON= 83.839W DEP= 15.0FXD KM MDB= 3.0 ERHMAX= 0.3 KM, AZ= 85 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 8 Stations Used (NO= 14): TLT (Dmin= 40.6 km), CBT, DCT, RCT, RHT, CDG, LDV, and BEV See TVA listing for arrival time data ----- *NEIS OT= 00:37:45.97 LAT= 35.366N LON= 83.853W DEP= 5.0FXD KM mb(Lg)= 3.5 NO= 11 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 33.4 12 iP 00:37:51.90 (- 0.1 ) RSCP 159.0 280 eP :38:11.60 (- 1.1 ) PRM 196.8 136 eP :17.50 ( 0.0 ) JSC 265.8 116 eP :26.30 (- 0.2 ) LHS 294.7 109 eP :30.00 (- 0.2 ) NAV 350.3 51 eP :37.30 ( 0.2 ) BLA 370.3 55 eP :40.00 ( 0.2 ) PWLA 385.9 265 eP :42.70 ( 1.0 ) ELC 527.1 295 eP :39:00.00 ( 0.2 ) FVM 655.0 298 eP :16.00 (- 0.1 ) RSON 1895.9 338 eP :41:46.50 ( 0.0 ) ***** 18 FEBRUARY 1988; 06:06 - BRISTOL, TENNESSEE ***** *TVA Aftershock of 2/16/88 15:26 event; possible rockburst *TVA OT= 06:06:11.19 LAT= 36.578N LON= 82.281W DEP= 0.3FXD KM MDB= 0.1 NO= 10, GAP= 105 DEG, RMS= 0.16 SEC, SDOT= 0.11 SEC, Q= C, SQD= C/B ERHMAX= 0.6 KM, AZ= 62 DEG; ERHMIN= 0.5 KM; ERZ= 8.7 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HHTN 2.5 326 iPc 06:06:11.50 (-0.14 ) iS 06:06:11.95 (-0.02 ) SBTN 9.6 212 eP+ :12.85 (-0.05 ) eS :14.35 ( 0.21 ) GFTN 13.3 296 iPc :13.55 ( 0.00 ) eS :15.55 ( 0.28 ) BFT 13.5 30 iPd :13.50 (-0.09 ) eS :15.80 ( 0.46 ) SLTN 20.7 136 eP+ :14.70 (-0.18 ) eS :17.80 ( 0.23 ) ***** 18 FEBRUARY 1988; 16:47 - SALE CREEK, TENNESSEE ***** *TVA OT= 16:47:56.44 LAT= 35.460N LON= 85.214W DEP= 15.9 KM MDB= 1.0 NO= 21, GAP= 83 DEG, RMS= 0.15 SEC, SDOT= 0.06 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= 20 DEG; ERHMIN= 0.2 KM; ERZ= 2.2 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WMTN 32.2 137 eP 16:48:02.61 ( 0.11 ) iS 16:48:06.93 ( 0.00 ) CPO 36.3 296 eP- :03.19 ( 0.05 ) eS :07.96 (-0.06 ) TQTN 44.7 82 ePd :04.11 (-0.27 ) eS :10.01 (-0.17 ) RCT 51.9 104 P :05.74 ( 0.26 ) S :12.38 ( 0.29 ) RHT 52.1 144 S :11.96 (-0.19 ) PDTN 61.4 250 iPc :06.86 (-0.08 ) iS :14.48 (-0.13 ) ETT 70.6 102 iP :08.50 ( 0.12 ) ANTN 78.9 359 iP- :09.77 ( 0.11 ) eS :19.32 ( 0.01 ) DCT 85.2 122 S :21.05 ( 0.09 ) ABTN 93.7 300 eP :13.36 ( 1.46X) eS :23.35 ( 0.16 ) LKGA 95.8 194 eP :12.24 ( 0.00 ) eS :23.95 ( 0.17 ) ORT 96.2 59 eS :25.05 ( 1.20X) BBG 143.4 117 eS :36.40 (-0.11 ) SHTN 173.9 271 eP :23.71 (-0.46 ) eS :44.70 ( 0.29 ) ----- *GIT OT= 16:47:56.5 LAT= 35.461N LON= 85.216W DEP= 18.5 KM MDB= 1.3 ERHMAX= 0.1 KM, AZ= 61 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.0 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WMTN 32.3 137 P 16:48:02.61 ( 0.04 ) S 16:48:06.93 (-0.08 ) CPO 36.1 296 P :03.19 ( 0.09 ) S :07.96 ( 0.02 ) TQTN 44.8 82 P :04.11 (-0.28 ) S :10.01 (-0.16 ) RCT 52.0 104 P :05.74 ( 0.27 ) S :12.38 ( 0.35 ) RHT 52.2 144 S :11.96 (-0.13 ) PDTN 61.4 250 P :06.86 (-0.04 ) S :14.48 (-0.04 ) ANTN 79.4 353 P :09.77 ( 0.06 ) S :19.32 (-0.06 ) DCT 85.5 122 S :21.05 ( 0.01 ) LKGA 95.9 194 P :12.24 (-0.04 ) S :23.90 ( 0.05 ) ----- *CERI OT= 16:47:56.54 LAT= 35.438N LON= 85.226W DEP= 18.6 KM MDB= 0.9 NO= 6, GAP= 359 DEG, RMS= 0.05 SEC, SDOT= 0.23 SEC, Q= D, SQD= C/D ERHMAX= 1.1 KM, AZ= -75 DEG; ERHMIN= 0.8 KM; ERZ= 4.4 KM; Q= C 5 Stations Used: RHT (Dmin= 50.7 km), RCT, ETT, DCT, and BBG See TVA listing for arrival time data ***** 19 FEBRUARY 1988; 08:04 - BRISTOL, TENNESSEE ***** *TVA Aftershock of 2/16/88 15:26 event; possible rockburst *TVA OT= 08:04:44.10 LAT= 36.572N LON= 82.286W DEP= 0.2FXD KM MDB= 0.2 NO= 12, GAP= 103 DEG, RMS= 0.11 SEC, SDOT= 0.08 SEC, Q= C, SQD= C/B ERHMAX= 0.3 KM, AZ= 44 DEG; ERHMIN= 0.3 KM; ERZ= 7.5 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HHTN 2.8 339 iPc 08:04:44.50 (-0.11 ) SHIV 3.5 165 iP :44.60 (-0.13 ) iS 08:04:45.20 ( 0.01 ) SBTN 8.9 212 iPd :45.70 ( 0.02 ) eS :47.15 ( 0.32 ) EDDY 9.3 263 eP :45.10 (-0.65X) iS :46.90 (-0.05 ) GFTN 13.2 299 iPc :46.45 ( 0.00 ) iS :48.30 ( 0.14 ) PAPR 13.7 94 iS :48.50 ( 0.18 ) BFT 14.2 31 iP :46.55 (-0.08 ) iS :48.70 ( 0.23 ) SLTN 20.6 134 eP+ :47.72 (-0.04 ) eS :51.72 ( 1.29X) ***** 20 FEBRUARY 1988; 20:31 - SEVIERVILLE, TENNESSEE ***** *CERI OT= 20:31:02.38 LAT= 35.863N LON= 83.604W DEP= 21.3 KM MDB= 1.6 NO= 34, GAP= 63 DEG, RMS= 0.14 SEC, SDOT= 0.05 SEC, Q= A, SQD= A/A ERHMAX= 0.2 KM, AZ= -29 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LMTN 17.7 81 iPc 20:31:06.89 (-0.15 ) iS 20:31:10.31 (-0.13 ) HPKT 25.8 286 iP :08.00 ( 0.08 ) iS :11.95 (-0.02 ) TKL 27.4 214 iPd :08.22 ( 0.09 ) iS :12.48 ( 0.15 ) TKL 27.4 214 iPd :08.10 (-0.03 ) iS :12.40 ( 0.07 ) CRTN 43.1 330 iPc :10.10 (-0.20 ) eS :16.07 (-0.01 ) ORT 63.5 275 eP :13.77 ( 0.46X) iS :21.27 (-0.02 ) SMTN 69.0 33 eP :14.18 ( 0.00 ) eS :23.08 ( 0.28 ) RICH 71.2 85 eP :14.91 ( 0.39 ) eS :23.70 ( 0.31 ) RBNC 79.3 135 iP :15.90 ( 0.08 ) eS :25.38 (-0.26 ) BRTN 86.0 50 eP :16.86 ( 0.12 ) eS :27.40 ( 0.18 ) ETT 97.4 233 eP :18.30 (-0.17 ) eS :29.97 (-0.24 ) ONTN 102.1 313 eP :19.14 (-0.04 ) TQTN 108.6 250 eP :20.52 ( 0.38 ) eS :32.99 (-0.11 ) BBG 111.3 190 eP :20.50 (-0.16 ) eS :33.88 (-0.12 ) BRBC 119.9 96 eS :36.55 ( 0.17 ) BHT 121.1 270 eS :36.78 ( 0.25 ) GFTN 136.7 51 eP :24.10 (-0.37 ) eS :41.35 ( 0.76X) WMTN 141.6 242 eP :25.20 (-0.01 ) eS :42.02 ( 0.15 ) GMG 147.3 221 eP :26.37 ( 0.23 ) eS :43.42 (-0.06 ) SLTN 148.2 64 eP :26.45 ( 0.26 ) eS :44.70 ( 1.12X) BENN 178.9 100 eS :51.99 ( 0.18X) ----- *TVA OT= 20:31:02.42 LAT= 35.863N LON= 83.604W DEP= 20.9 KM MDB= 1.4 NO= 34, GAP= 63 DEG, RMS= 0.15 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/A ERHMAX= 0.3 KM, AZ= -19 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LMTN 17.7 81 iPc 20:31:06.89 (-0.14 ) iS 20:31:10.31 (-0.08 ) HPKT 25.8 286 iP :08.00 ( 0.07 ) iS :11.95 ( 0.00 ) TKL 27.5 214 iPd :08.22 ( 0.07 ) iS :12.48 ( 0.15 ) CRTN 43.0 330 iPc :10.10 (-0.21 ) eS :16.07 ( 0.00 ) ORT 63.5 275 eP :13.77 ( 0.43 ) iS :21.27 (-0.05 ) SMTN 68.9 33 eP :14.18 (-0.01 ) eS :23.08 ( 0.29 ) RICH 71.1 85 eP :14.91 ( 0.37 ) eS :23.70 ( 0.31 ) RBNC 79.3 135 iP :15.90 ( 0.04 ) eS :25.38 (-0.28 ) BRTN 85.9 50 eP :16.86 ( 0.10 ) eS :27.40 ( 0.18 ) ETT 97.5 233 eP :18.30 (-0.21 ) eS :29.97 (-0.28 ) ONTN 102.1 312 eP :19.14 (-0.08 ) TQTN 108.6 250 eP :20.52 ( 0.33 ) eS :32.99 (-0.18 ) BBG 111.4 190 eP :20.50 (-0.20 ) eS :33.88 (-0.17 ) BRBC 119.9 96 eS :36.55 ( 0.15 ) BHT 121.2 270 eS :36.78 ( 0.21 ) GFTN 136.6 51 eP :24.10 (-0.39 ) eS :41.35 ( 0.75X) WMTN 141.7 242 eP :25.20 (-0.05 ) eS :42.02 ( 0.10 ) GMG 147.4 221 eP :26.37 ( 0.18 ) eS :43.42 (-0.12 ) SLTN 148.2 64 eP :26.45 ( 0.23 ) eS :44.70 ( 1.11X) BENN 178.9 100 eS :51.99 ( 0.16 ) ***** 25 FEBRUARY 1988; 18:33 - BRISTOL, VIRGINIA ***** *TVA Possible earthquake *TVA OT= 18:33:39.44 LAT= 36.624N LON= 82.310W DEP= 5.9 KM MDB= 0.3 NO= 8, GAP= 279 DEG, RMS= 0.22 SEC, SDOT= 0.32 SEC, Q= D, SQD= C/D ERHMAX= 1.8 KM, AZ= -10 DEG; ERHMIN= 0.9 KM; ERZ= 2.5 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HHTN 3.3 160 iP 18:33:40.55 (-0.18 ) LHT 7.0 83 eP :41.45 ( 0.32 ) eS 18:33:42.55 ( 0.20 ) GFTN 9.4 274 iS :42.85 (-0.04 ) ROBN 13.0 79 iP :42.10 ( 0.09 ) iS :43.50 (-0.38 ) SLTN 26.2 140 eP- :44.20 ( 0.05 ) eS :47.67 ( 0.08 ) ***** 27 FEBRUARY 1988; 17:36 - ETOWAH, TENNESSEE ***** *TVA Probable earthquake; for informational purposes only *CERI MDB = 0.4 *TVA OT= 17:36:32.63 LAT= 35.266N LON= 84.622W DEP= 19.3 KM MDB= 0.4 NO= 6, GAP= 200 DEG, RMS= 0.26 SEC, SDOT= 1.08 SEC, Q= D, SQD= D/D ERHMAX= 3.1 KM, AZ= 8 DEG; ERHMIN= 2.2 KM; ERZ= 8.9 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 16.6 66 iP 17:36:37.23 ( 0.29 ) iS 17:36:39.95 (-0.13 ) TQTN 29.3 341 eS :42.44 (-0.29 ) WMTN 32.0 267 eP :38.42 (-0.44 ) eS :43.63 ( 0.23 ) GMG 45.0 186 eS :46.57 (-0.18 ) ***** 2 MARCH 1988; 18:28 - MORRISTOWN, TENNESSEE ***** *TVA OT= 18:28:10.52 LAT= 36.305N LON= 83.482W DEP= 11.8 KM MDB= 1.9 NO= 50, GAP= 99 DEG, RMS= 0.18 SEC, SDOT= 0.03 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= -3 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A 27 Stations Used: SMTN (Dmin= 28.2 km), CRTN, CCVA, LMTN, HPKT, BRTN, RICH, TKL, ORT, ONTN, GBTN, WSSR, RBNC, BRBC, ETT, TQTN, GFM, ANTN, TRYN, BBG, WMTN, BENN, GMG, PKNC, PLVA, FDKY, and ABTN See CERI listing for arrival time data ----- *CERI OT= 18:28:10.55 LAT= 36.299N LON= 83.483W DEP= 10.4 KM MDB= 2.0 NO= 41, GAP= 97 DEG, RMS= 0.20 SEC, SDOT= 0.04 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= -16 DEG; ERHMIN= 0.2 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SMTN 28.5 71 iPd 18:28:15.91 ( 0.10 ) iS 18:28:19.50 (-0.15 ) CRTN 34.0 251 iPc :16.85 ( 0.20 ) iS :21.16 ( 0.05 ) CCVA 37.5 334 eP :17.25 ( 0.03 ) eS :21.75 (-0.33 ) LMTN 46.2 172 eP+ :18.78 ( 0.12 ) HPKT 54.6 221 iP :20.20 ( 0.18 ) eS :26.45 (-0.48 ) BRTN 55.6 83 eP :20.28 ( 0.08 ) iS :27.01 (-0.23 ) RICH 73.2 125 eP :22.90 (-0.21 ) iS :32.30 ( 0.02 ) TKL 75.8 200 eP :23.60 ( 0.09 ) iS :32.75 (-0.21 ) ORT 85.7 240 eP :25.22 ( 0.17 ) eS :35.49 (-0.15 ) ONTN 88.5 283 eP :25.27 (-0.24X) iS :36.28 (-0.14X) GBTN 96.1 223 iP :26.60 (-0.05 ) iS :37.92 (-0.47 ) WSSR 113.6 184 eP :29.40 (-0.02 ) eS :43.40 ( 0.20 ) RBNC 113.8 157 eP :29.65 ( 0.17 ) eS :43.08 (-0.22 ) SLTN 123.3 82 eP :31.51 ( 0.72 ) eS :46.15 ( 0.58 ) BRBC 124.5 120 eP :31.45 ( 0.31 ) eS :45.95 (-0.22 ) ETT 139.2 219 eP :33.34 ( 0.08 ) eS :49.74 (-0.10 ) TQTN 141.9 233 eP :34.09 ( 0.44 ) eS :50.98 ( 0.47 ) GFM 152.2 97 eP :35.46 ( 0.11 ) eS :53.50 ( 0.04X) ANTN 157.8 265 iP+ :36.22 ( 0.10 ) eS :54.25 (-0.53X) TRYN 160.1 135 eP :37.10 ( 0.61 ) eS :56.20 ( 0.77X) BBG 160.9 191 eP :36.50 (-0.15 ) eS :55.86 ( 0.15 ) WMTN 178.2 230 eP :39.48 ( 0.26 ) eS :29:00.83 ( 0.69 ) BENN 183.5 116 eP :40.40 ( 0.33 ) eS :01.00 (-0.62X) GMG 192.3 214 eP :41.60 ( 0.16 ) eS :03.70 (-0.29 ) PLVA 212.1 78 eS :09.60 ( 0.33X) FDKY 214.0 285 P? :44.81 ( 0.12X) eS :09.00 (-0.61X) ABTN 240.9 260 eP :48.77 (-0.05X) eS :17.62 ( 0.87X) PDTN 242.3 243 eP :49.54 ( 0.51X) S? :19.31 ( 2.18X) LKGA 259.1 225 P? :51.59 ( 0.41X) S? :23.25 ( 2.42X) ***** 4 MARCH 1988; 06:55 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 06:55:09.86 LAT= 35.000N LON= 84.390W DEP= 12.9 KM MDB= 0.2 NO= 5, GAP= 249 DEG, RMS= 0.09 SEC, SDOT= 0.88 SEC, Q= D, SQD= C/D ERHMAX= 2.0 KM, AZ= -88 DEG; ERHMIN= 1.3 KM; ERZ= 13.1 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 29.8 239 eP 06:55:15.90 ( 0.43 ) eS 06:55:19.50 (-0.07 ) ETT 36.6 351 iP :16.53 ( 0.03 ) iS :21.33 (-0.02 ) BBG 54.7 105 eS :26.45 (-0.03 ) ***** 6 MARCH 1988; 07:06 - CHATTANOOGA, TENNESSEE ***** *TVA OT= 07:06:28.59 LAT= 34.967N LON= 85.165W DEP= 13.8 KM MDB= 1.4 NO= 27, GAP= 74 DEG, RMS= 0.19 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= -12 DEG; ERHMIN= 0.3 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 16.7 273 iPd 07:06:32.49 ( 0.16 ) eS 07:06:34.89 (-0.17 ) DALG 26.0 146 P :33.80 ( 0.17 ) S :37.34 ( 0.03 ) RHT 28.6 64 Pc :34.07 ( 0.06 ) S :37.72 (-0.25 ) GMG 46.7 104 eP :36.80 (-0.12 ) eS :42.26 (-0.74X) LKGA 47.4 216 eP- :37.03 ( 0.04 ) eS :42.90 (-0.22 ) RCT 62.2 47 S :47.23 ( 0.16 ) TVG 66.6 191 P :40.68 ( 0.72X) S :48.23 (-0.02 ) DCT 68.8 82 P :40.65 ( 0.35 ) S :48.73 (-0.12 ) PDTN 71.0 299 eP :40.68 ( 0.05 ) eS :49.27 (-0.15 ) ETT 76.0 58 iP :41.24 (-0.17 ) eS :50.68 (-0.09 ) CPO 79.8 332 eP :42.06 ( 0.06 ) eS :51.54 (-0.24 ) GBTN 116.4 48 eP :48.34 ( 0.76X) eS :07:01.94 ( 0.50 ) BBG 124.2 94 eS :03.28 (-0.38 ) ABTN 133.1 320 eP :50.56 ( 0.41 ) eS :07.04 ( 1.16X) MSAL 138.5 265 :47.94 (-3.01X) eS :08.05 ( 0.77 ) TKL 147.9 58 eS :10.22 ( 0.42 ) WSSR 148.7 76 eS :10.70 ( 0.53 ) CRTN 182.0 41 eP :59.23 ( 1.59X) eS :21.90 ( 3.06X) SHTN 187.0 288 eS :20.89 ( 0.74 ) FDKY 210.1 345 eP :07:02.53 ( 0.61 ) eS :27.89 ( 1.63X) ----- *CERI OT= 07:06:28.63 LAT= 34.970N LON= 85.162W DEP= 13.2 KM MDB= 1.5 NO= 28, GAP= 69 DEG, RMS= 0.34 SEC, SDOT= 0.07 SEC, Q= C, SQD= C/B ERHMAX= 0.6 KM, AZ= -1 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 17.0 272 iPd 07:06:32.49 ( 0.14 ) eS 07:06:34.89 (-0.17 ) DALG 26.1 147 P :34.07 ( 0.43 ) S :37.72 ( 0.42 ) GMG 46.5 105 eP :36.80 (-0.10 ) eS :42.26 (-0.68 ) LKGA 47.8 217 eP- :37.03 (-0.05 ) eS :42.90 (-0.34 ) RCT 61.8 47 S :47.23 ( 0.17 ) TVG 67.0 191 P :40.68 ( 0.59 ) S :48.23 (-0.22 ) DCT 68.4 82 P :40.65 ( 0.33 ) S :48.73 (-0.13 ) PDTN 71.2 298 eP :40.68 (-0.05 ) eS :49.27 (-0.29 ) ETT 75.6 58 iP :41.24 (-0.19 ) eS :50.68 (-0.09 ) CPO 79.7 332 eP :42.06 ( 0.00 ) eS :51.54 (-0.31 ) GBTN 116.0 48 eP :48.34 ( 0.75X) eS :07:01.94 ( 0.51 ) BBG 123.9 95 eS :03.28 (-0.41 ) ABTN 133.1 320 eP :50.56 ( 0.34 ) eS :07.04 ( 1.06 ) MSAL 138.8 265 eP :47.94 (-3.14X) eS :08.05 ( 0.58 ) TKL 147.5 58 eS :10.22 ( 0.43 ) WSSR 148.4 76 eS :10.70 ( 0.52 ) CRTN 181.6 41 eP :59.23 ( 1.58 ) eS :21.90 ( 3.07X) SHTN 187.2 287 eS :20.89 ( 0.58 ) FDKY 209.9 344 eP :07:02.53 ( 0.56X) eS :27.89 ( 1.58X) ----- *GIT OT= 07:06:29.5 LAT= 34.964N LON= 85.142W DEP= 10.2 KM MDB= 1.2 ERHMAX= 0.3 KM, AZ= -58 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.3 SQ KM 5 Stations Used (NO= 9): DALG (Dmin= 24.0 km), RHT, RCT, DCT, and TVG See TVA listing for arrival time data ***** 9 MARCH 1988; 11:58 - JEFFERSON CITY, TENNESSEE ***** *TVA Probable earthquake *TVA OT= 11:58:55.60 LAT= 36.100N LON= 83.583W DEP= 14.4 KM MDB= 0.8 NO= 6, GAP= 211 DEG, RMS= 0.09 SEC, SDOT= 0.25 SEC, Q= C, SQD= B/D ERHMAX= 0.4 KM, AZ= -12 DEG; ERHMIN= 0.3 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 25.7 296 eP 11:59:00.79 ( 0.13 ) eS 11:59:04.26 (-0.09 ) LMTN 28.3 147 eP- :00.96 (-0.09 ) eS :05.10 ( 0.07 ) HPKT 33.0 234 P? :02.45 ( 0.73X) eS :06.25 ( 0.06 ) TKL 52.0 199 eS :11.30 (-0.02 ) ORT 68.5 252 eP :08.20 ( 0.99X) eS :16.88 ( 1.20X) ***** 11 MARCH 1988; 16:39 - ALCOA, TENNESSEE ***** *TVA OT= 16:39:32.60 LAT= 35.819N LON= 83.983W DEP= 15.2 KM MDB= 2.4 NO= 72, GAP= 46 DEG, RMS= 0.21 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -22 DEG; ERHMIN= 0.2 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HPKT 15.2 38 iPd 16:39:36.30 ( 0.03 ) iS 16:39:39.00 ( 0.05 ) TKL 26.0 133 iPc :37.83 ( 0.10 ) iS :41.47 (-0.01 ) GBTN 26.7 231 iPd :37.82 ( 0.00 ) iS :41.37 (-0.26 ) ORT 30.7 289 iPc :38.60 ( 0.18 ) iS :42.60 (-0.07 ) CRTN 44.2 17 eP- :40.36 (-0.11 ) iS :45.70 (-0.52 ) CBT 50.3 232 Pd :41.52 ( 0.13 ) S :47.58 (-0.24 ) LMTN 52.4 82 iPd :41.63 (-0.10 ) eS :47.98 (-0.42 ) TLT 63.6 205 Pc :43.62 ( 0.18 ) S :51.25 (-0.11 ) ETT 69.4 218 ePd :44.07 (-0.27 ) iS :52.48 (-0.44 ) WSSR 70.4 148 iPc :44.63 ( 0.07 ) eS :52.92 (-0.38 ) TQTN 75.2 244 eP- :45.20 ( 0.01 ) eS :54.16 (-0.23 ) RCT 80.9 230 Pd :46.16 ( 0.10 ) S :55.91 ( 0.01 ) ONTN 84.4 331 iPc :46.40 (-0.24 ) iS :56.84 (-0.04 ) BHT 86.9 272 eP :47.23 ( 0.18 ) eS :57.87 ( 0.27 ) DCT 93.6 205 Pd :48.18 ( 0.14 ) S :59.74 ( 0.42 ) SMTN 95.5 49 iPd :48.43 ( 0.09 ) iS :59.93 ( 0.09 ) RBNC 103.9 119 iPc :50.02 ( 0.28 ) iS :40:02.02 (-0.23 ) RICH 105.8 84 eP :49.87 (-0.07 ) eS :03.03 ( 0.43 ) BBG 106.0 171 iPc :50.03 ( 0.02 ) eS :02.58 (-0.14 ) WMTN 109.9 235 eP :50.58 ( 0.06 ) eS :03.75 ( 0.15 ) RHT 115.8 225 P :51.84 ( 0.42 ) S :05.18 ( 0.02 ) BRTN 116.9 59 eP :51.74 ( 0.13 ) iS :06.58 ( 1.09X) ANTN 119.1 290 iPd :51.91 (-0.05 ) eS :05.88 (-0.21 ) GMG 123.1 211 eP :52.47 (-0.14 ) eS :06.97 (-0.24 ) CPO 145.9 261 eP :56.30 ( 0.24 ) eS :13.45 ( 0.27 ) CDG 147.9 205 S :14.22 ( 0.53 ) DALG 148.9 219 S :14.16 ( 0.18 ) BRBC 153.7 93 eP :57.95 ( 0.56 ) eS :15.55 ( 0.06 ) RCG 155.4 233 eP- :57.83 ( 0.33 ) eS :15.40 (-0.28 ) TRYN 169.0 111 eP :40:00.27 ( 0.63 ) eS :20.02 ( 0.64 ) PDTN 179.7 251 eP :01.56 ( 0.34 ) eS :22.94 ( 0.82 ) SLTN 181.4 67 ePc :01.91 ( 0.44 ) eS :24.47 ( 1.93X) LKGA 189.6 226 eP :02.85 ( 0.08 ) eS :25.70 ( 0.90 ) ABTN 192.2 273 eP :04.07 ( 0.94X) eS :26.15 ( 0.73 ) FDKY 195.1 304 eP :03.97 ( 0.40 ) eS :27.49 ( 1.30X) GFM 199.0 80 eP :05.12 ( 0.82 ) eS :27.25 (-0.19 ) TVG 200.1 217 P :05.01 ( 0.67 ) S :28.59 ( 1.07X) BENN 212.1 97 eP :06.50 ( 0.27 ) eS :29.35 (-1.43X) PKNC 256.2 84 eP :12.05 ( 0.29 ) MSAL 267.3 247 eP :13.93 ( 0.88 ) eS :46.55 ( 3.98X) PLVA 270.6 69 eP :13.55 (-0.04 ) HAKY 273.4 302 eS :47.05 ( 3.20X) SHTN 287.7 263 P? :17.27 ( 1.72X) eS :49.85 ( 2.94X) TCT 322.8 275 eP :20.80 ( 0.97X) eS :54.00 (-0.31 ) ----- *CERI OT= 16:39:32.70 LAT= 35.810N LON= 83.985W DEP= 15.2 KM MDB= 2.6 NO= 36, GAP= 135 DEG, RMS= 0.18 SEC, SDOT= 0.06 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= -14 DEG; ERHMIN= 0.2 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 25.5 131 iPc 16:39:37.83 ( 0.09 ) iS 16:39:41.47 ( 0.05 ) GBTN 25.9 232 iPd :37.82 ( 0.01 ) iS :41.37 (-0.18 ) CBT 49.6 233 P :41.52 ( 0.14 ) S :47.58 (-0.14 ) TLT 62.6 206 P :43.62 ( 0.23 ) S :51.25 ( 0.05 ) ETT 68.5 219 ePd :44.07 (-0.24 ) iS :52.48 (-0.30 ) WSSR 69.6 148 iPc :44.63 ( 0.08 ) eS :52.92 (-0.28 ) RCT 80.1 230 P :46.16 ( 0.11 ) S :55.91 ( 0.12 ) BHT 86.8 273 eP :47.23 ( 0.10 ) eS :57.87 ( 0.20 ) DCT 92.7 205 P :48.18 ( 0.19 ) S :59.74 ( 0.58 ) SMTN 96.2 48 iPd :48.43 (-0.13 ) iS :59.93 (-0.22 ) RBNC 103.6 119 iPc :50.02 ( 0.24 ) iS :40:02.02 (-0.23 ) BBG 105.0 171 iPc :50.03 ( 0.07 ) eS :02.58 ( 0.01 ) RICH 106.0 83 eP :49.87 (-0.21 ) eS :03.03 ( 0.26X) RHT 115.0 225 P :51.84 ( 0.43 ) S :05.18 ( 0.11 ) GMG 122.2 211 eP :52.47 (-0.11 ) eS :06.97 (-0.12 ) CDG 146.9 205 S :14.22 ( 0.68 ) DALG 148.0 219 P :40:00.00 ( 3.51X) S :14.16 ( 0.31 ) BRBC 153.8 92 eP :57.95 ( 0.44 ) eS :15.55 (-0.07 ) RCG 154.6 234 eP- :57.83 ( 0.34 ) eS :15.40 (-0.20X) TRYN 168.8 110 eP :41:00.27 ( 0.56 ) eS :20.02 ( 0.59 ) TVG 199.2 217 P :05.01 ( 0.70X) S :28.59 ( 1.21X) GFM 199.3 80 eP :05.12 ( 0.67X) eS :27.25 (-0.38X) BENN 212.1 97 eP :06.50 ( 0.16X) eS :29.35 (-1.54X) PKNC 256.5 83 eP :12.05 (-0.44X) PLVA 271.1 69 eP :13.55 (-0.80X) ----- *GIT OT= 16:39:32.9 LAT= 35.814N LON= 83.990W DEP= 10.4 KM MDB= 2.3 ERHMAX= 0.2 KM, AZ= -48 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM 24 Stations Used (NO= 44): HPK (Dmin= 15.9 km), GBTN, TKL, ORT, CRTN, CBT, LMTN, TLT, WSSR, TQTN, RCT, ONTN, BHT, DCT, SMTN, RBNC, BBG, WMTN, RHT, GMG, CPO, CDG, DALG, and TVG See TVA listing for arrival time data ***** 24 MARCH 1988; 04:22 - NORTHERN GEORGIA ***** *TVA Depth unstable *TVA OT= 04:22:40.28 LAT= 34.978N LON= 85.180W DEP= 5.4 KM MDB= 0.8 NO= 28, GAP= 73 DEG, RMS= 0.18 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= -49 DEG; ERHMIN= 0.2 KM; ERZ= 1.2 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 15.3 269 eP 04:22:44.15 ( 0.96X) eS 04:22:46.22 ( 0.90X) DALG 27.7 145 P :45.36 ( 0.08 ) RHT 29.4 68 Pc :45.68 ( 0.13 ) S :49.29 (-0.11 ) WMTN 35.4 32 eP- :46.58 ( 0.03 ) eS :50.95 (-0.18 ) LKGA 47.5 214 eP+ :48.63 ( 0.06 ) eS :54.45 (-0.17 ) GMG 48.3 105 eP :48.47 (-0.26 ) S :23:04.10 (-0.79X) RCT 62.4 49 Pd :51.61 ( 0.60X) TVG 67.6 190 P :52.23 ( 0.37 ) S :59.86 (-0.45 ) PDTN 69.3 298 eP :52.31 ( 0.17 ) eS :24:00.70 (-0.10 ) DCT 70.0 83 P :52.46 ( 0.19 ) S :00.32 (-0.70X) TQTN 72.6 35 eP :52.49 (-0.21 ) eS :00.95 (-0.81X) ETT 76.6 59 eP :52.70 (-0.66X) CPO 78.1 333 eP :53.93 ( 0.31 ) eS :03.24 (-0.13 ) BHT 98.8 12 eS :09.15 (-0.15 ) GBTN 116.6 49 eS :13.80 (-0.31 ) ORT 130.4 37 P? :23:01.99 ( 0.05 ) eS :18.03 ( 0.27 ) ABTN 131.4 320 eP- :02.27 ( 0.18 ) eS :18.65 ( 0.64X) MSAL 137.2 264 eS :19.56 ( 0.01 ) WSSR 149.8 77 eS :22.38 (-0.67 ) CRTN 182.0 41 P? :10.75 ( 0.89X) eS :32.66 ( 1.21X) SHTN 185.4 287 P? :09.88 (-0.48 ) eS :32.50 ( 0.19 ) FDKY 208.6 345 eP :14.15 ( 0.24 ) eS :39.25 ( 0.78 ) TCT 243.6 299 eP :18.71 (-0.21 ) S? :48.23 ( 1.10X) ----- *CERI OT= 04:22:40.38 LAT= 34.984N LON= 85.139W DEP= 3.9 KM No magnitude NO= 8, GAP= 160 DEG, RMS= 0.19 SEC, SDOT= 0.25 SEC, Q= C, SQD= C/C ERHMAX= 2.9 KM, AZ= 55 DEG; ERHMIN= 0.9 KM; ERZ= 7.2 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 19.1 267 eP 04:22:44.15 ( 0.28 ) eS 04:22:46.22 (-0.19 ) GMG 44.9 107 eP :48.47 ( 0.11 ) eS :54.10 (-0.08 ) ETT 73.0 58 eP :52.70 (-0.27 ) BHT 97.4 10 eS :23:09.15 (-0.01 ) GBTN 113.4 48 eS :13.80 ( 0.23 ) WSSR 145.9 77 eS :22.38 ( 0.01 ) ----- *GIT OT= 04:22:41.1 LAT= 34.960N LON= 85.149W DEP= 8.9 KM MDB= 0.9 ERHMAX= 0.3 KM, AZ= -51 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) DALG 23.9 149 P 04:22:45.36 ( 0.04 ) S 04:22:48.67 ( 0.25 ) RHT 27.6 62 P :45.68 (-0.20 ) S :49.29 (-0.11 ) RCT 61.5 46 P :51.61 ( 0.29 ) TVG 66.2 192 P :52.23 ( 0.15 ) S :59.86 (-0.28 ) DCT 67.3 81 P :52.46 ( 0.20 ) S :23:00.32 (-0.13 ) ***** 30 MARCH 1988; 04:25 - BOONE COUNTY, WEST VIRGINIA ***** *TVA Probable mining collapse *VTSO This event may be mining related. *VTSO OT= 04:25:29.28 LAT= 38.070N LON= 81.650W DEP= 2.5FXD KM MDB= 2.6 NO= 16, GAP= 235 DEG, RMS= 0.69 SEC, SDOT= 0.90 SEC, Q= D, SQD= D/D ERHMAX= 5.2 KM, AZ= -18 DEG; ERHMIN= 2.3 KM; ERZ= 10.9 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HWV 88.9 127 eP? 04:25:44.94 ( 0.35 ) NAV 112.7 138 eP? :47.86 (-0.66 ) WMV 122.4 150 eP? :49.53 (-0.52 ) VWV 129.5 121 ePd :51.20 ( 0.08 ) eS 04:25:07.80 ( 1.45 ) PUV 137.5 147 eP? :51.93 (-0.39 ) BLA 144.4 131 eP? :53.19 (-0.18 ) :09.88 (-0.30 ) PLVA 161.7 164 eP :55.60 (-0.49 ) :14.00 (-0.77 ) GFM 217.9 184 eP :26:04.50 (-0.22 ) :30.90 ( 1.46 ) SMTN 231.5 216 iP :06.90 ( 0.18 ) :34.60 ( 1.73 ) CVL 280.1 91 eP :14.16 ( 0.82 ) GHV 312.9 95 eP :18.30 ( 0.96 ) TRYN 318.2 190 iP :16.80 (-1.29X) NA12 331.1 91 eP :21.71 ( 2.14X) NA2 342.4 88 eP :23.09 ( 2.16X) ***** 31 MARCH 1988; 02:45 - MURPHY, NORTH CAROLINA ***** *TVA OT= 02:45:29.62 LAT= 35.204N LON= 84.191W DEP= 11.4 KM MDB= 1.5 NO= 34, GAP= 93 DEG, RMS= 0.21 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -12 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TLT 13.7 322 Pc 02:45:32.96 ( 0.23 ) S 02:45:34.77 (-0.22 ) DCT 26.6 231 Pc :34.72 ( 0.10 ) S :37.74 (-0.52X) ETT 27.6 299 iPc :34.75 (-0.02 ) iS :38.30 (-0.23 ) CBT 42.7 331 P :37.49 ( 0.33 ) RCT 45.5 290 P :37.95 ( 0.33 ) S :43.67 ( 0.22 ) BBG 50.4 136 eP :38.40 (-0.09 ) eS :45.20 ( 0.23 ) GBTN 51.3 358 eP :38.50 (-0.07 ) iS :45.00 (-0.10 ) WSSR 56.4 81 eP :39.48 ( 0.01 ) eS :46.45 (-0.21 ) GMG 57.9 229 eP :39.51 (-0.18 ) eS :46.60 (-0.44 ) TQTN 59.7 306 eP+ :39.97 ( 0.03 ) eS :47.30 (-0.17 ) TKL 63.0 37 eP :40.13 (-0.36 ) iS :48.35 (-0.07 ) RHT 64.5 258 S :48.80 (-0.04 ) WMTN 71.4 274 eP :42.61 ( 0.74X) eS :50.35 (-0.46 ) ORT 79.0 353 eP :43.59 ( 0.56 ) eS :52.93 ( 0.12 ) CDG 79.1 214 S :52.60 (-0.23 ) LMTN 103.7 43 eS :59.54 ( 0.13 ) RBNC 110.9 81 eS :46:00.95 (-0.56 ) CRTN 115.0 16 eP :48.86 ( 0.31 ) eS :02.57 ( 0.20 ) CPO 133.2 290 eS :07.06 (-0.15 ) LKGA 133.6 242 eS :07.90 ( 0.56 ) PDTN 151.2 273 eS :12.21 ( 0.27 ) SMTN 159.4 35 eS :14.10 (-0.08 ) BRTN 175.1 43 eS :20.68 ( 2.35X) ABTN 189.7 294 P? :46:00.51 ( 0.53 ) eS :23.93 ( 1.79X) GFM 238.2 64 eS :36.00 ( 1.51X) ----- *CERI OT= 02:45:29.63 LAT= 35.200N LON= 84.188W DEP= 9.7 KM MDB= 1.7 NO= 30, GAP= 93 DEG, RMS= 0.24 SEC, SDOT= 0.06 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= -68 DEG; ERHMIN= 0.3 KM; ERZ= 1.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TLT 14.2 322 P 02:45:32.96 ( 0.33 ) S 02:45:34.77 (-0.06 ) DCT 26.6 233 P :34.72 ( 0.20 ) S :37.74 (-0.36 ) ETT 28.0 300 iPc :34.75 (-0.01 ) iS :38.30 (-0.20 ) CBT 43.2 331 P :37.49 ( 0.29 ) RCT 46.0 291 P :37.95 ( 0.30 ) S :43.67 ( 0.16 ) BBG 49.9 136 eP :38.40 ( 0.03 ) eS :45.20 ( 0.44 ) GBTN 51.7 358 eP :38.50 (-0.10 ) iS :45.00 (-0.16 ) WSSR 56.2 81 eP :39.48 ( 0.08 ) eS :46.45 (-0.09 ) GMG 57.8 230 eP :39.51 (-0.14 ) eS :46.60 (-0.37 ) TQTN 60.2 306 eP+ :39.97 (-0.02 ) eS :47.30 (-0.25X) TKL 63.2 36 eP :40.00 (-0.49 ) eS :47.99 (-0.43 ) RHT 64.7 258 S :48.80 (-0.04 ) WMTN 71.7 274 eP :42.61 ( 0.72 ) eS :50.35 (-0.50X) CDG 78.9 214 S :52.60 (-0.29 ) ORT 79.4 352 eP :43.59 ( 0.43 ) eS :52.93 (-0.11 ) LMTN 103.8 43 eS :59.54 (-0.09 ) RBNC 110.7 81 eS :46:00.95 (-0.69 ) CRTN 115.3 16 eP :48.86 ( 0.15 ) eS :02.57 (-0.07 ) CPO 133.6 290 eS :07.06 (-0.45X) LKGA 133.7 242 eS :07.90 ( 0.35X) PDTN 151.5 274 eS :12.21 ( 0.00X) SMTN 159.6 34 eS :14.10 (-0.32X) BRTN 175.2 43 eS :20.68 ( 2.13X) ABTN 190.1 294 P? :46:00.51 ( 0.35 ) eS :23.93 ( 1.49X) GFM 238.1 64 eS :36.00 ( 0.63X) ----- *GIT OT= 02:45:30.3 LAT= 35.193N LON= 84.193W DEP= 5.9 KM MDB= 1.5 ERHMAX= 0.1 KM, AZ= 71 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.0 SQ KM 6 Stations Used (NO= 9): TLT (Dmin= 14.5 km), DCT, CBT, RCT, RHT, and CDG See CERI listing for arrival time data ***** 1 APRIL 1988; 14:15 - FLORENCE, ALABAMA ***** *TVA Probable earthquake *TVA OT= 14:15:41.66 LAT= 34.866N LON= 87.605W DEP= 3.6 KM MDB= 1.9 NO= 14, GAP= 265 DEG, RMS= 0.43 SEC, SDOT= 0.56 SEC, Q= D, SQD= D/D ERHMAX= 3.2 KM, AZ= 49 DEG; ERHMIN= 1.2 KM; ERZ= 4.3 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SHTN 78.8 33 eP 14:15:55.47 ( 0.26 ) eS 14:16:05.49 ( 0.38 ) MSAL 85.2 91 eP :56.12 (-0.14 ) eS :06.08 (-0.84 ) TCT 126.5 2 eP :16:02.95 ( 0.08 ) eS :17.80 (-0.56 ) PDTN 166.4 74 eP :09.03 ( 0.05 ) eS :28.85 (-0.08 ) ABTN 176.8 50 iP- :10.86 ( 0.27 ) eS :31.79 ( 0.08 ) LKGA 197.1 97 eP :13.94 ( 0.22 ) eS :37.51 ( 0.38 ) CPO 202.2 66 eS :38.99 ( 0.52 ) WMTN 243.8 79 eS :49.70 ( 0.73 ) ***** 2 APRIL 1988; 00:10 - VONORE, TENNESSEE ***** *CERI OT= 00:10:10.88 LAT= 35.578N LON= 84.054W DEP= 20.9 KM MDB= 0.3 NO= 6, GAP= 162 DEG, RMS= 0.10 SEC, SDOT= 0.38 SEC, Q= C, SQD= C/C ERHMAX= 2.5 KM, AZ= -15 DEG; ERHMIN= 0.8 KM; ERZ= 3.8 KM; Q= C 3 Stations Used: GBTN (Dmin= 17.3 km), TKL, and ETT See TVA listing for arrival time data ----- *GIT OT= 00:10:11.1 LAT= 35.597N LON= 84.060W DEP= 21.5 KM MDB= 0.5 ERHMAX= 0.6 KM, AZ= -48 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.6 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 15.7 299 P 00:10:15.30 (-0.08 ) S 00:10:18.80 ( 0.26 ) TKL 26.7 75 P :16.61 (-0.02 ) S :20.60 (-0.10 ) ETT 46.8 230 P :19.30 (-0.11 ) S :25.02 (-0.50 ) DCT 68.6 209 P :22.95 ( 0.28 ) S :30.96 (-0.21 ) ----- *TVA OT= 00:10:11.17 LAT= 35.571N LON= 84.051W DEP= 18.4 KM MDB= 0.6 NO= 13, GAP= 142 DEG, RMS= 0.19 SEC, SDOT= 0.14 SEC, Q= C, SQD= B/C ERHMAX= 0.7 KM, AZ= -39 DEG; ERHMIN= 0.6 KM; ERZ= 1.5 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 17.9 306 iP 00:10:15.30 (-0.20 ) eS 00:10:18.80 ( 0.15 ) TKL 26.9 69 eP :16.61 ( 0.00 ) eS :20.60 ( 0.02 ) ORT 44.0 329 eP :19.26 ( 0.16 ) iS :24.93 ( 0.05 ) ETT 45.7 234 eP :19.30 (-0.06 ) eS :25.12 (-0.21 ) RCT 60.8 246 P :14.50 (-7.12X) S :28.70 (-0.54 ) DCT 66.4 210 P :22.95 ( 0.46 ) S :30.96 ( 0.21 ) CRTN 72.3 15 eP :23.19 (-0.20 ) eS :31.71 (-0.60 ) GMG 96.7 216 eS :37.20 (-1.65X) ***** 2 APRIL 1988; 17:18 - TALLASSEE, TENNESSEE ***** *CERI OT= 17:18:35.12 LAT= 35.535N LON= 84.048W DEP= 8.5 KM MDB= 1.3 NO= 10, GAP= 107 DEG, RMS= 0.09 SEC, SDOT= 0.06 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= -7 DEG; ERHMIN= 0.2 KM; ERZ= 1.6 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 20.7 315 iP 17:18:39.00 (-0.02 ) iS 17:18:41.90 ( 0.04 ) TKL 28.3 61 eP :40.15 (-0.09 ) iS :43.98 ( 0.00 ) CBT 33.8 271 P :41.60 ( 0.46X) S :45.30 (-0.23X) ETT 43.7 238 eP+ :42.90 ( 0.13 ) eS :48.20 (-0.15 ) WSSR 51.3 124 eS :50.81 ( 0.18 ) RCT 59.5 249 S :52.90 ( 0.07X) DCT 63.2 212 S :54.00 ( 0.11X) BBG 76.5 164 eP :48.20 (-0.03 ) eS :57.70 (-0.10 ) GMG 93.7 217 eP :51.10 ( 0.07X) eS :19:02.65 ( 0.00 ) ----- *GIT OT= 17:18:35.7 LAT= 35.548N LON= 84.062W DEP= 10.0FXD KM MDB= 1.2 ERHMAX= 0.5 KM, AZ= -60 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.5 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 18.8 314 P 17:18:39.00 (-0.34 ) S 17:18:41.90 (-0.05 ) TKL 28.8 65 P :40.15 (-0.72 ) S :43.98 (-0.63 ) CBT 32.5 268 P :41.60 ( 0.13 ) S :45.30 (-0.34 ) ETT 43.4 236 P :42.90 (-0.31 ) S :48.20 (-0.44 ) RCT 58.9 248 P :46.30 ( 0.58 ) S :52.90 (-0.09 ) DCT 63.7 211 P :46.50 ( 0.01 ) S :54.00 (-0.33 ) GMG 94.2 216 S :19:02.65 (-0.23 ) ***** 3 APRIL 1988; 03:02 - N OF SAMANTHA, ALABAMA ***** *GIT OT= 03:02:25.0 LAT= 33.513N LON= 87.583W DEP= 10.0FXD KM MDB= 1.5 ERHMAX= 1.2 KM, AZ= 73 DEG; ERHMIN= 0.7 KM; ELLIPSE AREA= 2.3 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BKA 38.2 291 P 03:02:31.53 (-0.16 ) S 03:02:35.74 (-0.78 ) TSA 55.9 121 P :34.10 (-0.44 ) S :41.32 (-0.13 ) OCA 161.2 41 P :51.52 (-0.12 ) S :03:11.57 ( 0.50 ) TVG 230.6 65 P :03:02.16 (-0.76 ) ***** 7 APRIL 1988; 19:02 - GEORGIA ***** *CERI OT= 19:02:46.36 LAT= 34.084N LON= 84.169W DEP= 15.0 KM MDB= 1.8 NO= 6, GAP= 329 DEG, RMS= 0.04 SEC, SDOT=10.00 SEC, Q= D, SQD= C/D ERHMAX= 0.8 KM, AZ= -72 DEG; ERHMIN= 0.7 KM; ERZ= 28.7 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BBG 93.6 20 eP 19:03:01.90 ( 0.01 ) eS 19:03:13.20 (-0.02 ) ETT 140.2 349 eP :08.90 (-0.06 ) eS :25.50 ( 0.05 ) GBTN 175.5 359 eP :14.50 ( 0.16 ) eS :34.80 ( 0.03 ) ***** 14 APRIL 1988; 05:42 - BRYSON CITY, NORTH CAROLINA ***** *CERI OT= 05:42:35.54 LAT= 35.504N LON= 83.419W DEP= 5.6 KM MDB= 0.8 NO= 10, GAP= 111 DEG, RMS= 0.19 SEC, SDOT= 0.18 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= 76 DEG; ERHMIN= 0.3 KM; ERZ= 2.0 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WSSR 28.9 210 iPd 05:42:41.02 ( 0.23 ) iS 05:42:44.40 (-0.23 ) TKL 36.4 298 iS :46.57 (-0.08 ) LMTN 42.5 1 eP :43.16 ( 0.18 ) eS :48.21 (-0.20 ) RBNC 42.6 112 iP :43.22 ( 0.14 ) iS :48.43 (-0.15 ) BBG 78.5 207 eP :49.10 ( 0.12 ) ETT 96.1 258 eP :51.60 (-0.25 ) SMTN 99.7 12 eS :43:05.20 ( 0.40 ) GFM 160.5 65 eS :21.80 ( 0.62X) ----- *TVA OT= 05:42:35.55 LAT= 35.504N LON= 83.419W DEP= 7.5 KM MDB= 0.9 NO= 10, GAP= 111 DEG, RMS= 0.18 SEC, SDOT= 0.11 SEC, Q= C, SQD= C/C ERHMAX= 0.5 KM, AZ= 58 DEG; ERHMIN= 0.4 KM; ERZ= 4.7 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WSSR 28.9 210 iPd 05:42:41.02 ( 0.21 ) iS 05:42:44.40 (-0.25 ) TKL 36.5 298 P? :43.10 ( 1.13X) iS :46.65 (-0.01 ) LMTN 42.5 1 eP :43.16 ( 0.16 ) eS :48.21 (-0.22 ) RBNC 42.5 112 iP :43.22 ( 0.14 ) iS :48.43 (-0.15 ) BBG 78.5 207 eP :49.10 ( 0.12 ) CRTN 86.1 334 P? :47.59 (-2.60X) S? :43:01.59 ( 0.71X) ETT 96.2 258 eP :51.60 (-0.25 ) SMTN 99.8 12 eS :05.20 ( 0.47 ) BRTN 106.9 28 eS :12.01 ( 5.41X) SLTN 156.8 48 eP :43:03.33 ( 2.24X) S? :24.78 ( 5.05X) GFM 160.5 65 eS :21.80 ( 0.83X) ***** 14 APRIL 1988; 23:37 - OAKWOOD, VIRGINIA ***** *TVA Probable mine collapse *TVA OT= 23:37:30.78 LAT= 37.209N LON= 81.971W DEP= 0.0FXD KM MDB= 3.9 NO= 40, GAP= 102 DEG, RMS= 0.44 SEC, SDOT= 0.25 SEC, Q= D, SQD= C/D ERHMAX= 0.9 KM, AZ= -28 DEG; ERHMIN= 0.4 KM; ERZ= 2.2 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SLTN 86.0 189 eP 23:37:45.26 (-0.48 ) iS 23:37:57.18 ( 0.51 ) PLVA 94.0 130 iPc :47.00 (-0.14 ) iS :57.80 (-1.29X) PUV 104.7 101 P :49.00 ( 0.14 ) S :38:02.00 (-0.06 ) NAV 105.2 83 P :50.40 ( 1.46X) S :02.20 ( 0.00 ) HWV 108.7 67 P :50.20 ( 0.69 ) S :02.50 (-0.68 ) GFM 122.7 173 iP :50.80 (-1.07X) BRTN 123.9 221 iP :51.64 (-0.31 ) iS :06.86 (-0.55 ) BLA 137.6 89 P :54.60 ( 0.56 ) S :11.30 ( 0.27 ) SMTN 141.8 230 eP :54.80 ( 0.10 ) iS :11.50 (-0.66 ) VWV 142.8 78 P :54.20 (-0.68 ) S :12.70 ( 0.23 ) PKKY 160.5 325 iP :57.80 ( 0.31 ) BENN 184.5 171 eP :38:01.10 (-0.15 ) LMTN 195.2 222 eP :02.46 (-0.41 ) eS :26.79 ( 0.49 ) CRTN 201.1 237 eP :03.68 (-0.08 ) eS :29.60 ( 1.76X) TRYN 216.9 187 iP :06.10 (-0.11 ) iS :30.10 (-1.98X) HPKT 222.3 231 eP :07.10 ( 0.11 ) eS :34.15 ( 0.72 ) RBNC 224.8 204 eP :07.91 ( 0.40 ) ONTN 234.8 251 eP+ :08.67 (-0.27 ) eS :37.55 ( 0.76 ) TKL 236.1 224 iPc :09.20 ( 0.09 ) iS :36.60 (-0.49 ) ORT 253.8 236 eP :11.37 ( 0.00 ) eS :42.17 ( 1.16 ) WSSR 258.4 214 eP :11.90 (-0.16 ) GBTN 263.9 230 iP :12.90 ( 0.31 ) iS :43.10 (-0.02 ) ETT 305.7 228 eP :18.90 ( 1.16 ) iS :55.10 ( 3.07X) BBG 307.6 213 iP :18.10 ( 0.03 ) iS :52.10 (-0.49 ) ANTN 313.3 249 eP :17.90 (-0.77 ) eS :54.64 ( 1.01 ) FRV 320.6 89 eP :22.09 ( 2.58X) eS :59.14 ( 4.05X) CVL 321.6 73 eP :21.94 ( 2.31X) eS :59.83 ( 4.53X) FDKY 343.5 263 eP :22.74 ( 0.42 ) eS :39:09.76 ( 9.81X) GHV 347.7 78 eP :25.71 ( 2.89X) eS :04.50 ( 3.69X) ----- *NEIS OT= 23:37:31.10 LAT= 37.238N LON= 81.987W DEP= 0.0FXD KM mb(Lg)= 4.1 NO= 11 STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BLA 144.6 91 eP 23:37:54.50 (- 0.8 ) TKL 233.5 223 eP :38:08.20 (- 0.3 ) LHS 322.5 161 eP :18.50 (- 1.1 ) CLE 478.2 5 iP :45.50 ( 6.8 ) DLA 622.7 3 P :50.20 (- 7.8 ) LDN 645.0 6 P :37.55 (-23.3 ) ELF 667.2 5 P :39:01.75 (- 1.1 ) FVM 745.0 279 eP :12.00 (- 1.8 ) RSON 1779.2 332 eP :41:12.80 (- 6.0 ) FFC 2468.6 328 eP :42:29.00 (- 1.5 ) YKA 3580.6 332 eP :44:04.30 ( 1.2 ) ***** 20 APRIL 1988; 20:01 - ROBBINSVILLE, NORTH CAROLINA ***** *TVA Probable blast *CERI Probable blast *CERI OT= 20:01:51.27 LAT= 35.339N LON= 83.840W DEP= 5.9 KM MDB= 2.0 NO= 12, GAP= 92 DEG, RMS= 0.17 SEC, SDOT= 0.07 SEC, Q= C, SQD= C/C ERHMAX= 0.6 KM, AZ= 77 DEG; ERHMIN= 0.4 KM; ERZ= 4.0 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WSSR 24.8 106 iPc 20:01:56.01 ( 0.18 ) TKL 35.9 10 iP :57.40 (-0.19 ) iS 20:02:02.20 (-0.01 ) GBTN 49.5 317 iP :02:00.20 ( 0.36 ) iS :06.00 (-0.09 ) BBG 51.7 177 iP :00.10 (-0.17 ) iS :06.80 (-0.04 ) ETT 55.9 269 iP :01.00 ( 0.08 ) DCT 61.5 239 P :02.20 ( 0.37X) RBNC 77.7 88 eP :04.56 (-0.04 ) GMG 92.3 235 eP :07.10 ( 0.13X) RHT 99.2 253 P :08.40 ( 0.34X) RICH 112.7 55 eP :10.51 ( 0.27X) SMTN 130.1 27 eS :29.00 ( 0.34X) TRYN 145.2 93 eP :15.50 ( 0.28 ) iS :32.80 ( 0.11 ) BENN 199.4 82 eP :24.20 ( 0.69X) GFM 202.9 64 eP :24.70 ( 0.58X) iS :48.50 ( 0.40 ) ----- *GIT OT= 20:01:51.4 LAT= 35.348N LON= 83.794W DEP= 16.6 KM MDB= 2.1 ERHMAX= 0.3 KM, AZ= -79 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.3 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WSSR 21.1 112 P 20:01:56.01 ( 0.27 ) TKL 34.5 3 P :57.40 (-0.20 ) S 20:02:02.20 ( 0.03 ) GBTN 51.7 313 P :02:00.20 ( 0.00 ) BBG 52.6 182 P :00.10 (-0.24 ) S :06.80 (-0.12 ) ETT 60.2 268 P :01.00 (-0.51 ) DCT 65.7 240 P :02.20 (-0.18 ) S :10.50 ( 0.05 ) RCT 78.9 270 P :04.90 ( 0.46 ) S :14.50 ( 0.47 ) RHT 103.7 253 P :08.40 ( 0.04 ) ***** 23 APRIL 1988; 01:01 - LENOIR CITY, TENNESSEE ***** *CERI OT= 01:01:16.64 LAT= 35.781N LON= 84.208W DEP= 19.3 KM MDB= 2.7 NO= 41, GAP= 51 DEG, RMS= 0.15 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -42 DEG; ERHMIN= 0.2 KM; ERZ= 0.4 KM; Q= A 26 Stations Used: GBTN (Dmin= 12.7 km), ORT, HPKT, TKL, ETT, CRTN, BHT, LMTN, ONTN, WMTN, ANTN, BBG, GMG, SMTN, RBNC, CPO, RICH, BRTN, RCG, PDTN, ABTN, LKGA, BRBC, FDKY, TRYN, and SLTN See TVA listing for arrival time data ----- *TVA OT= 01:01:16.69 LAT= 35.781N LON= 84.209W DEP= 19.1 KM MDB= 2.3 NO= 62, GAP= 51 DEG, RMS= 0.19 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -46 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 12.7 181 iPc 01:01:20.58 ( 0.03 ) iS 01:01:23.25 (-0.12 ) ORT 16.7 329 iPc :21.09 ( 0.13 ) iS :24.10 ( 0.02 ) CBT 32.9 216 P :23.20 ( 0.18 ) S :27.80 ( 0.16 ) HPKT 33.9 61 S-P 4.75 SEC ( 0.03 ) TKL 41.6 109 iPc :24.37 ( 0.09 ) iS :29.83 ( 0.01 ) TLT 53.6 187 P :26.20 ( 0.12 ) S :33.00 ( 0.07 ) ETT 55.1 204 iPd :26.18 (-0.13 ) iS :33.02 (-0.32 ) TQTN 55.2 238 iP :26.19 (-0.11 ) iS :33.23 (-0.08 ) CRTN 57.2 35 iPd :26.45 (-0.16 ) eS :33.68 (-0.17 ) RCT 63.4 220 P :27.10 (-0.42 ) S :35.20 (-0.23 ) BHT 66.9 277 eP :28.28 ( 0.17 ) eS :36.33 (-0.12 ) LMTN 73.2 80 eP- :28.88 (-0.17 ) eS :37.97 (-0.11 ) ONTN 80.6 345 iPc :29.97 (-0.22 ) eS :39.86 (-0.18 ) DCT 82.8 193 P :30.90 ( 0.38 ) S :41.70 ( 1.09X) WMTN 91.1 230 ePd :31.82 ( 0.06 ) iS :43.05 ( 0.28 ) RHT 99.0 218 P :32.80 (-0.17 ) S :45.00 ( 0.14 ) ANTN 101.9 296 eP :33.25 (-0.19 ) eS :45.97 ( 0.30 ) BBG 106.9 160 iPc :34.23 (-0.04 ) eS :46.57 (-0.53 ) GMG 110.1 203 eP :34.60 (-0.14 ) eS :47.97 ( 0.05 ) SMTN 114.1 54 eP :35.43 ( 0.12 ) eS :49.30 ( 0.39 ) RBNC 120.4 113 eP :36.63 ( 0.25 ) eS :51.00 ( 0.24 ) CPO 125.0 261 eP :37.01 ( 0.04 ) eS :51.33 (-0.45 ) RICH 126.5 83 eP :37.30 ( 0.06 ) eS :52.80 ( 0.56 ) CDG 136.4 198 P :39.00 ( 0.31 ) S :54.50 (-0.25 ) BRTN 136.7 62 eP+ :39.01 ( 0.25 ) eS :55.83 ( 0.95X) RCG 136.7 230 ePd :38.90 ( 0.15 ) eS :54.90 ( 0.04 ) PDTN 159.1 250 eP+ :42.59 ( 0.43 ) eS :02:01.54 ( 0.79 ) ABTN 172.1 274 eP+ :44.16 ( 0.01 ) iS :04.75 ( 0.55 ) LKGA 172.4 222 eP :44.38 ( 0.16 ) eS :05.97 ( 1.65X) BRBC 174.0 91 eP :44.77 ( 0.18 ) eS :05.10 ( 0.15 ) FDKY 181.2 309 iP- :45.78 ( 0.24 ) eS :07.83 ( 1.23X) TRYN 187.0 107 eP :46.95 ( 0.47 ) eS :08.77 ( 0.54 ) SLTN 201.9 68 eP :48.95 ( 0.25 ) eS :13.70 ( 1.64X) GFM 219.8 80 eP :51.92 ( 0.76 ) BENN 231.9 95 eP :53.68 ( 1.15X) MSAL 246.9 246 eP+ :55.03 ( 0.75 ) eS :24.25 ( 2.53X) SHTN 267.0 263 eP :58.06 ( 1.32X) eS :29.20 ( 3.22X) TCT 302.9 276 eS :36.76 ( 3.19X) ----- *GIT OT= 01:01:16.7 LAT= 35.780N LON= 84.214W DEP= 21.2 KM MDB= 2.5 ERHMAX= 0.2 KM, AZ= -32 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 12.6 179 P 01:01:20.58 (-0.12 ) S 01:01:23.25 (-0.38 ) CBT 32.6 215 P :23.20 ( 0.20 ) S :27.80 ( 0.19 ) TKL 42.0 109 P :24.37 ( 0.05 ) S :29.83 (-0.07 ) TLT 53.5 187 P :26.20 ( 0.20 ) S :33.00 ( 0.19 ) ETT 54.9 204 P :26.18 (-0.04 ) S :33.02 (-0.17 ) RCT 63.1 220 P :27.10 (-0.35 ) S :35.20 (-0.13 ) BHT 66.5 277 P :28.28 ( 0.31 ) S :36.33 ( 0.10 ) DCT 82.6 193 P :30.90 ( 0.44 ) S :40.70 ( 0.17 ) RHT 98.9 218 P :32.80 (-0.18 ) S :45.00 ( 0.09 ) BBG 107.0 160 P :34.23 (-0.01 ) S :46.57 (-0.53 ) SMTN 114.2 54 P :35.43 ( 0.07 ) RBNC 121.0 113 P :36.63 ( 0.20 ) CDG 136.1 198 P :39.00 ( 0.21 ) RCG 136.7 229 P :38.90 ( 0.02 ) GFM 219.8 80 P :51.92 ( 0.22 ) ***** 24 APRIL 1988; 00:08 - KNOXVILLE, TENNESSEE ***** *CERI OT= 00:08:47.59 LAT= 36.114N LON= 83.744W DEP= 17.1 KM MDB= 2.7 NO= 43, GAP= 102 DEG, RMS= 0.12 SEC, SDOT= 0.03 SEC, Q= B, SQD= A/B ERHMAX= 0.2 KM, AZ= -6 DEG; ERHMIN= 0.1 KM; ERZ= 0.5 KM; Q= A 24 Stations Used: CRTN (Dmin= 12.9 km), HPKT, LMTN, TKL, ORT, SMTN, GBTN, ONTN, RICH, RBNC, ETT, TQTN, BHT, ANTN, BBG, BRBC, WMTN, GMG, TRYN, GFM, CPO, RCG, BENN, and FDKY See TVA listing for arrival time data ----- *GIT OT= 00:08:47.6 LAT= 36.108N LON= 83.749W DEP= 19.1 KM MDB= 2.5 ERHMAX= 0.2 KM, AZ= -42 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.0 SQ KM 14 Stations Used (NO= 28): TKL (Dmin= 50.0 km), SMTN, GBTN, RICH, CBTN, TLT, ETT, RBNC, BHT, RCT, DCT, BBG, BRBC, and RHT See TVA listing for arrival time data ----- *TVA OT= 00:08:47.62 LAT= 36.114N LON= 83.742W DEP= 16.8 KM MDB= 2.3 NO= 65, GAP= 102 DEG, RMS= 0.17 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/B ERHMAX= 0.2 KM, AZ= -10 DEG; ERHMIN= 0.2 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 13.0 317 iPc 00:08:51.40 ( 0.13 ) iS 00:08:53.80 (-0.13 ) HPKT 24.2 211 S-P 3.65 SEC ( 0.02 ) LMTN 39.1 130 iPc :54.87 ( 0.10 ) iS :59.96 (-0.03 ) TKL 50.6 183 iPc :56.47 (-0.03 ) iS :09:02.98 ( 0.01 ) ORT 55.5 246 ePd :57.19 (-0.06 ) iS :04.33 ( 0.06 ) SMTN 58.5 59 iPd :57.58 (-0.15 ) iS :05.17 ( 0.06 ) GBTN 65.2 221 iPd :58.72 ( 0.00 ) iS :06.47 (-0.35 ) ONTN 75.0 303 eP+ :09:00.09 (-0.15 ) iS :09.46 ( 0.00 ) RICH 86.0 104 eP :01.82 (-0.13 ) iS :12.53 ( 0.13 ) CBT 88.4 224 P :02.50 ( 0.24 ) S :13.00 ( 0.05 ) TLT 102.6 209 P :04.20 (-0.24 ) S :16.50 (-0.22 ) RBNC 108.3 141 eP :05.50 ( 0.07 ) eS :18.15 (-0.29 ) ETT 108.6 217 ePd :05.23 (-0.14 ) iS :17.98 (-0.35 ) TQTN 110.9 234 eP :05.81 ( 0.10 ) eS :19.40 ( 0.49 ) BHT 112.4 255 eP :05.87 (-0.12 ) eS :19.17 (-0.23 ) RCT 119.1 225 P :06.80 (-0.16 ) S :21.10 ( 0.02 ) DCT 132.6 208 P :09.10 ( 0.05 ) S :24.80 ( 0.11 ) ANTN 134.2 273 eP :09.03 (-0.27 ) eS :25.95 ( 0.82X) BBG 137.7 183 iPc :09.87 (-0.03 ) eS :26.33 ( 0.16 ) BRBC 137.8 107 eP- :10.10 ( 0.11 ) eS :26.47 ( 0.16 ) WMTN 147.1 230 eP :11.41 ( 0.15 ) iS :28.86 ( 0.35 ) RHT 154.5 222 P :12.10 (-0.28 ) S :30.50 ( 0.04 ) GMG 162.3 212 eP :13.75 ( 0.09 ) eS :32.88 ( 0.22 ) TRYN 164.8 124 eP :14.37 ( 0.35 ) eS :33.97 ( 0.68 ) GFM 174.2 90 eP- :15.32 (-0.22 ) eS :35.85 (-0.06 ) CPO 174.8 252 eP :15.40 (-0.12 ) eS :36.17 ( 0.29 ) CDG 186.8 207 P :17.40 ( 0.06 ) S :38.50 (-0.54 ) RCG 192.8 230 eP :18.53 ( 0.27 ) eS :40.92 ( 0.30 ) BENN 197.6 107 eP :19.28 ( 0.24 ) FDKY 198.7 293 eP :19.59 ( 0.44 ) eS :43.07 ( 0.91 ) PDTN 212.3 245 iPc :21.48 ( 0.27 ) eS :46.28 ( 0.55 ) ABTN 214.9 264 eP :21.35 (-0.18 ) eS :48.51 ( 2.22X) LKGA 228.1 224 eP :23.85 ( 0.66 ) eS :49.23 ( 0.08 ) PLVA 239.6 74 eP :24.07 (-0.61 ) MSAL 300.8 243 P? :34.10 ( 2.07X) eS :10:07.11 ( 2.67X) SHTN 314.7 258 eP :34.11 ( 0.38 ) eS :14.19 ( 6.80X) TCT 343.5 269 eP :38.59 ( 1.35X) S? :21.53 ( 8.07X) PWLA 411.5 253 eP :45.52 (-0.03 ) ***** 26 APRIL 1988; 00:18 - FAYETTEVILLE, TENNESSEE ***** *CERI OT= 00:18:00.06 LAT= 35.022N LON= 86.325W DEP= 11.1 KM MDB= 1.7 NO= 22, GAP= 119 DEG, RMS= 0.17 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/C ERHMAX= 0.5 KM, AZ= -23 DEG; ERHMIN= 0.2 KM; ERZ= 0.8 KM; Q= A 13 Stations Used: MSAL (Dmin= 37.4 km), PDTN, SHTN, RCG, LKGA, CPO, ABTN, BHT, PWLA, ANTN, BBG, MOTN, and ONTN See TVA listing for arrival time data ----- *TVA OT= 00:18:00.07 LAT= 35.022N LON= 86.325W DEP= 11.0 KM MDB= 2.0 NO= 21, GAP= 119 DEG, RMS= 0.18 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/C ERHMAX= 0.6 KM, AZ= -22 DEG; ERHMIN= 0.3 KM; ERZ= 0.9 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MSAL 37.4 239 iPd 00:18:06.84 ( 0.12 ) eS 00:18:11.49 (-0.09 ) PDTN 51.5 57 eP :08.97 (-0.06 ) eS :15.48 (-0.09 ) SHTN 87.9 304 iPd :15.02 ( 0.16 ) eS :25.33 (-0.33 ) RCG 89.3 93 eP :15.21 ( 0.13 ) eS :26.07 ( 0.02 ) LKGA 89.7 119 ePd :14.89 (-0.26 ) eS :24.83 (-1.34X) CPO 94.0 46 eP+ :15.96 ( 0.15 ) eS :27.41 ( 0.11 ) ABTN 97.8 11 eP :16.64 ( 0.27 ) iS :28.06 (-0.21 ) WMTN 125.7 78 eP :19.60 (-1.05X) eS :36.53 ( 0.86X) BHT 155.1 53 eP :25.01 (-0.19 ) eS :43.92 ( 0.38 ) TCT 155.9 315 eP :25.65 ( 0.38 ) eS :43.47 (-0.19 ) PWLA 158.9 269 eP :26.18 ( 0.47 ) eS :44.10 (-0.34 ) ANTN 161.5 38 iP+ :26.43 ( 0.28 ) eS :46.22 ( 1.03X) FDKY 201.9 14 eP :33.55 ( 1.24X) eS :56.83 ( 0.97X) ORT 208.1 61 eS :19:00.04 ( 2.54X) BBG 230.2 93 eP :36.70 ( 0.13 ) MOTN 232.2 320 eP :37.41 ( 0.74X) eS :04.41 ( 1.02X) ONTN 234.9 46 P? :37.81 ( 0.76X) eS :05.15 ( 1.09X) CRTN 260.2 59 eP :42.88 ( 2.75X) eS :14.13 ( 4.75X) ***** 30 APRIL 1988; 19:37 - SUMMERVILLE, SOUTH CAROLINA ***** *USC OT= 19:37:37.74 LAT= 33.028N LON= 80.152W DEP= 5.0 KM MDL= 1.7 NO= 6, GAP= 190 DEG, RMS RES= 0.03 SEC, Q= C, SQD= A/D ERH= 0.5 KM, ERZ= 1.1 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BCS 9.2 125 iPu 19:37:42.14 (-0.03 ) S 19:37:43.88 (-1.75X) SVS 11.2 234 iPd :42.42 ( 0.05 ) S :43.70 (-2.27X) RGR 14.2 196 iPd :42.78 (-0.01 ) S :44.34 (-2.38X) MGS 14.6 176 iPu :42.90 (-0.01 ) S :44.75 (-2.19X) WAS 23.0 209 eP- :44.33 ( 0.05X) S :47.66 (-1.72X) HBF 23.6 243 iPd :43.71 (-0.04 ) TRK 36.5 73 iPd :46.65 ( 0.04 ) S :50.82 (-2.71X) SGS 38.2 299 eP- :47.94 ( 1.02X) JSC 172.5 324 eP+ :38:07.90 ( 0.80X) ----- *USGS OT= 19:37:40.18 LAT= 33.006N LON= 80.146W DEP= 0.9 KM ML= 1.6 NO= 21, RMS= 0.255 SEC, dx= 0.894, dy= 0.879 km, dz= 1.868 km STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BCS 8.4 109 iPc 19:37:42.15 (-0.02 ) S 19:37:43.89 ( 0.11 ) SVS 10.4 246 iPd :42.46 (-0.15 ) S :43.71 (-0.37 ) RGR 12.0 201 iPd :42.79 ( 0.00 ) S :44.33 (-0.17 ) MGS 12.1 177 iPc :42.95 ( 0.09 ) S :44.45 (-0.17 ) TWB 12.7 18 iPd :42.67 (-0.22 ) S :44.07 (-0.39 ) WAS 21.1 213 iPd :44.36 ( 0.04 ) S :47.67 ( 0.21 ) HBF 23.1 249 iPd :43.74 (-0.56 ) S :45.73 (-0.66 ) PBS 32.2 339 ePc :45.33 (-0.90 ) S :50.22 (-0.23 ) TRK 36.7 69 iPd :46.71 ( 0.08 ) S :50.82 (-0.10 ) SGS 40.0 301 iPd :47.94 ( 0.29 ) JSC 174.6 323 ePc :38:08.92 ( 0.46 ) S :38:29.60 ( 0.26 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 10.0 85.0 -160.0 Nodal Plane: -81.8 70.1 -5.3 P Axis: 235.8 72.4 T Axis: 142.5 79.7 ***** 1 MAY 1988; 00:34 - CLEVELAND, TENNESSEE ***** *TVA Probable earthquake *TVA OT= 00:34:52.13 LAT= 35.145N LON= 84.702W DEP= 16.5 KM MDB= 0.8 NO= 18, GAP= 120 DEG, RMS= 0.16 SEC, SDOT= 0.11 SEC, Q= B, SQD= B/B ERHMAX= 0.4 KM, AZ= 78 DEG; ERHMIN= 0.3 KM; ERZ= 1.5 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RHT 18.0 246 P 00:34:59.80 ( 3.53X) RCT 22.5 10 P :57.12 ( 0.28 ) S 00:34:00.25 (-0.02 ) WMTN 27.2 295 eP :57.54 ( 0.03 ) eS :01.48 ( 0.05 ) DCT 27.7 111 P :57.88 ( 0.30 ) S :01.65 ( 0.09 ) ETT 30.2 48 iP :57.80 (-0.14 ) iS :02.03 (-0.15 ) GMG 31.4 175 iP :58.13 (-0.06 ) iS :02.47 (-0.14 ) TQTN 41.2 357 eP :59.52 (-0.05 ) eS :04.72 (-0.27 ) GBTN 73.0 38 eS :13.70 ( 0.32 ) BBG 86.7 110 eS :17.17 (-0.01 ) LKGA 91.1 231 S? :18.29 ( 0.05 ) ORT 92.2 23 eS :18.64 ( 0.17 ) CPO 94.1 303 S? :18.70 (-0.33 ) ABTN 151.8 303 eS :34.91 ( 0.65 ) ----- *CERI OT= 00:34:52.23 LAT= 35.145N LON= 84.696W DEP= 13.8 KM MDB= 0.6 NO= 11, GAP= 128 DEG, RMS= 0.10 SEC, SDOT= 0.06 SEC, Q= B, SQD= A/C ERHMAX= 0.3 KM, AZ= -87 DEG; ERHMIN= 0.2 KM; ERZ= 0.7 KM; Q= A 7 Stations Used: WMTN (Dmin= 27.7 km), ETT, GMG, TQTN, GBTN, BBG, and ORT See TVA listing for arrival time data ----- *GIT OT= 00:34:52.4 LAT= 35.148N LON= 84.703W DEP= 16.2 KM MDB= 0.9 ERHMAX= 0.2 KM, AZ= 10 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM 6 Stations Used (NO= 12): RCT (Dmin= 22.3 km), WMTN, DCT, ETT, GMG, and TQTN See TVA listing for arrival time data ***** 2 MAY 1988; 11:13 - KNOXVILLE, TENNESSEE ***** *CERI OT= 11:13:32.03 LAT= 36.104N LON= 83.743W DEP= 15.7 KM MDB= 0.4 NO= 16, GAP= 223 DEG, RMS= 0.14 SEC, SDOT= 0.09 SEC, Q= C, SQD= A/D ERHMAX= 0.4 KM, AZ= 5 DEG; ERHMIN= 0.4 KM; ERZ= 0.9 KM; Q= A 12 Stations Used: CRTN (Dmin= 13.8 km), HPKT, LMTN, TKL, ORT, GBTN, ONTN, BRTN, ETT, TQTN, ANTN, and WMTN See TVA listing for arrival time data ----- *TVA OT= 11:13:32.06 LAT= 36.104N LON= 83.744W DEP= 15.6 KM MDB= 0.4 NO= 14, GAP= 222 DEG, RMS= 0.13 SEC, SDOT= 0.10 SEC, Q= C, SQD= A/D ERHMAX= 0.4 KM, AZ= -70 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 13.8 321 iPc 11:13:35.78 ( 0.14 ) iS 11:13:38.09 (-0.17 ) HPKT 23.2 212 eP :36.75 (-0.05 ) eS :40.30 ( 0.03 ) LMTN 38.6 129 eS :44.14 (-0.08 ) TKL 49.5 183 iP :40.70 (-0.05 ) iS :47.20 ( 0.11 ) ORT 55.0 247 eP :41.53 (-0.05 ) eS :48.69 ( 0.16 ) GBTN 64.3 221 eS :50.68 (-0.31 ) ONTN 75.5 304 S? :53.64 (-0.38 ) BRTN 83.6 70 eP :43.30 (-2.69X) S? :56.23 ( 0.07 ) ETT 107.6 217 eS :14:02.35 (-0.16 ) TQTN 110.1 234 S? :03.75 ( 0.63 ) ANTN 134.1 274 S? :10.13 ( 0.61X) WMTN 146.3 230 eS :13.33 ( 0.62X) ***** 5 MAY 1988; 03:07 - NORTHERN TENNESSEE ***** *TVA OT= 03:07:03.83 LAT= 36.548N LON= 83.637W DEP= 23.4 KM MDB= 0.5 NO= 9, GAP= 262 DEG, RMS= 0.06 SEC, SDOT= 0.12 SEC, Q= C, SQD= B/D ERHMAX= 0.9 KM, AZ= -21 DEG; ERHMIN= 0.2 KM; ERZ= 1.6 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 42.8 205 eP 03:07:11.79 (-0.03 ) eS 03:07:17.69 ( 0.04 ) SMTN 44.8 114 iP :12.15 ( 0.02 ) iS :18.15 (-0.04 ) BRTN 72.1 107 eP :16.15 ( 0.01 ) eS :25.40 ( 0.26 ) HPKT 72.4 198 eS :25.20 ( 0.06 ) LMTN 76.2 164 eP :17.38 ( 0.63X) eS :26.09 (-0.09 ) ORT 92.9 220 eP :20.45 ( 1.20X) eS :30.23 (-0.28 ) TKL 99.5 187 eS :33.40 ( 1.15X) ----- *CERI OT= 03:07:03.85 LAT= 36.570N LON= 83.645W DEP= 14.3 KM MDB= 0.3 NO= 5, GAP= 273 DEG, RMS= 0.03 SEC, SDOT= 0.67 SEC, Q= D, SQD= D/D ERHMAX= 22.2 KM, AZ= -21 DEG; ERHMIN= 1.1 KM; ERZ= 38.3 KM; Q= D 3 Stations Used: CRTN (Dmin= 44.7 km), SMTN, and BRTN See TVA listing for arrival time data ***** 5 MAY 1988; 08:19 - RINGGOLD, GEORGIA ***** *CERI OT= 08:19:26.60 LAT= 34.933N LON= 85.104W DEP= 11.3 KM MDB= 2.2 NO= 39, GAP= 124 DEG, RMS= 0.20 SEC, SDOT= 0.04 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= -18 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A 20 Stations Used: RCG (Dmin= 22.8 km), RHT, WMTN, GMG, LKGA, RCT, TQTN, ETT, PDTN, CPO, GBTN, BBG, ANTN, ABTN, MSAL, TKL, CRTN, ONTN, LMTN, and SHTN See TVA listing for arrival time data ----- *TVA OT= 08:19:26.64 LAT= 34.933N LON= 85.104W DEP= 10.0 KM MDB= 2.3 NO= 45, GAP= 124 DEG, RMS= 0.21 SEC, SDOT= 0.04 SEC, Q= C, SQD= B/C ERHMAX= 0.3 KM, AZ= -17 DEG; ERHMIN= 0.2 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 22.8 282 iPc 08:19:31.20 ( 0.25 ) iS 08:19:33.98 (-0.11 ) RHT 25.9 51 P :31.50 ( 0.07 ) S :35.10 ( 0.18 ) WMTN 37.0 19 eP :33.33 ( 0.13 ) iS :37.91 (-0.07 ) GMG 40.4 101 iP :33.89 ( 0.07 ) eS :38.86 (-0.20 ) LKGA 48.1 225 iPd :34.98 (-0.07 ) eS :40.83 (-0.36 ) RCT 61.0 41 P :37.20 ( 0.05 ) S :45.50 ( 0.69X) DCT 64.0 78 P :36.90 (-0.74X) S :44.50 (-1.18X) TQTN 73.3 28 eP :39.06 (-0.11 ) eS :47.94 (-0.37 ) ETT 73.5 53 iPd :39.33 ( 0.11 ) eS :48.25 (-0.16 ) PDTN 77.8 299 iPd :39.85 (-0.06 ) eS :49.09 (-0.50 ) CPO 85.8 330 eP+ :41.19 (-0.02 ) eS :51.55 (-0.29 ) BHT 102.5 8 eS :56.41 ( 0.13 ) GBTN 115.0 45 eP :45.60 (-0.05 ) eS :59.10 (-0.42 ) BBG 118.4 93 eP :46.30 ( 0.04 ) iS :20:00.18 (-0.40 ) ORT 130.4 34 eP :48.55 ( 0.53 ) eS :04.69 ( 1.07X) ANTN 137.9 355 eP :49.38 ( 0.19 ) eS :05.63 (-0.02 ) ABTN 139.7 319 iPd :49.91 ( 0.48 ) eS :06.77 ( 0.70X) MSAL 143.8 267 eP :50.08 ( 0.03 ) eS :07.10 (-0.04 ) WSSR 144.3 74 eS :07.06 (-0.40 ) TKL 145.3 56 eP :50.46 ( 0.17 ) eS :07.70 ( 0.14 ) HPKT 156.6 45 eS :14.10 ( 3.56X) CRTN 181.3 39 eP- :56.35 ( 0.53 ) eS :18.25 ( 1.12X) ONTN 182.0 19 eP :56.39 ( 0.46 ) eS :18.25 ( 0.94 ) LMTN 186.8 55 eP :56.41 (-0.26 ) eS :18.65 ( 0.06 ) SHTN 193.5 288 eP :57.63 (-0.04 ) eS :20.66 ( 0.33 ) RBNC 198.7 76 eP :59.25 ( 0.65 ) eS :22.36 ( 0.43 ) FDKY 215.3 343 eP :20:01.63 ( 0.62 ) eS :27.27 ( 1.17X) RICH 234.6 62 eP :04.28 ( 0.52 ) TCT 252.1 299 eP :06.51 ( 0.70 ) eS :36.39 ( 1.99X) BRTN 256.9 51 eS :37.71 ( 2.22X) PWLA 270.4 272 P :09.83 ( 1.79X) eS :39.22 ( 0.96X) HAKY 275.6 331 eP :11.70 ( 3.03X) eS :42.60 ( 3.25X) SLTN 317.8 57 P? :19.60 ( 5.77X) eS :54.40 ( 6.13X) MOTN 320.8 306 P? :18.00 ( 3.81X) eS :54.80 ( 5.90X) ----- *GIT OT= 08:19:27.0 LAT= 34.930N LON= 85.109W DEP= 8.8 KM MDB= 2.3 ERHMAX= 0.2 KM, AZ= -56 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 22.4 283 P 08:19:31.20 ( 0.20 ) S 08:19:33.98 ( 0.05 ) RHT 26.4 52 P :31.50 (-0.12 ) S :35.10 ( 0.09 ) WMTN 37.4 19 P :33.33 (-0.03 ) S :37.91 (-0.11 ) GMG 40.8 101 P :33.89 (-0.02 ) S :38.86 (-0.12 ) LKGA 47.6 224 P :34.98 (-0.02 ) RCT 61.5 42 P :37.20 (-0.03 ) S :45.30 ( 0.56 ) DCT 64.4 78 P :36.90 (-0.81 ) TQTN 73.7 28 P :39.06 (-0.15 ) S :47.94 (-0.23 ) ETT 73.9 54 P :39.33 ( 0.08 ) S :48.25 ( 0.02 ) PDTN 77.4 299 P :39.85 ( 0.04 ) S :49.09 (-0.11 ) CPO 85.8 331 P :41.19 ( 0.03 ) S :51.55 ( 0.01 ) GBTN 115.2 45 P :46.08 ( 0.17 ) S :59.83 ( 0.06 ) BBG 118.8 93 P :46.68 ( 0.19 ) ORT 131.6 33 P :48.55 ( 0.01 ) S :20:04.69 ( 0.37 ) ABTN 137.6 319 P :49.91 ( 0.41 ) MSAL 143.4 266 P :50.08 (-0.34 ) S :07.10 (-0.49 ) TKL 145.4 56 P :50.46 (-0.28 ) S :07.85 (-0.29 ) ***** 6 MAY 1988; 15:42 - EASTERN TENNESSEE ***** *CERI OT= 15:42:39.07 LAT= 35.771N LON= 83.955W DEP= 9.2 KM MDB= 1.4 NO= 9, GAP= 244 DEG, RMS= 0.08 SEC, SDOT= 0.14 SEC, Q= C, SQD= B/D ERHMAX= 0.9 KM, AZ= 7 DEG; ERHMIN= 0.2 KM; ERZ= 1.1 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 20.6 127 eP 15:42:43.02 ( 0.04 ) eS 15:42:45.85 ( 0.01 ) GBTN 25.9 243 iP :43.75 (-0.06 ) eS :47.38 ( 0.10 ) WSSR 64.5 148 eS :58.20 (-0.13 ) ETT 67.0 223 eP :50.48 (-0.08 ) eS :58.93 (-0.03 ) BBG 100.3 172 eP :56.18 ( 0.21 ) eS :43:08.38 ( 0.07 ) GMG 119.9 213 eP :59.01 ( 0.07X) ***** 8 MAY 1988; 08:52 - SOUTHEASTERN TENNESSEE ***** *CERI OT= 08:52:51.08 LAT= 34.992N LON= 84.388W DEP= 19.8 KM MDB= 0.8 NO= 7, GAP= 229 DEG, RMS= 0.09 SEC, SDOT= 0.25 SEC, Q= D, SQD= C/D ERHMAX= 0.7 KM, AZ= 72 DEG; ERHMIN= 0.5 KM; ERZ= 3.3 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GMG 29.5 241 iP 08:52:57.20 ( 0.13 ) iS 08:53:01.33 (-0.10 ) ETT 37.6 351 iP :58.10 (-0.05 ) iS :03.40 ( 0.10 ) BBG 54.3 104 iS :07.68 ( 0.00 ) GBTN 76.6 12 eP :53:04.03 ( 0.09 ) iS :13.20 (-0.13 ) ***** 19 MAY 1988; 11:21 - FARRAGUT, TENNESSEE ***** *TVA Probable earthquake *CERI OT= 11:21:57.06 LAT= 35.811N LON= 84.138W DEP= 13.9 KM MDB= 0.9 NO= 7, GAP= 269 DEG, RMS= 0.10 SEC, SDOT= 0.26 SEC, Q= D, SQD= C/D ERHMAX= 1.8 KM, AZ= -20 DEG; ERHMIN= 0.6 KM; ERZ= 0.7 KM; Q= B 4 Stations Used: GBTN (Dmin= 17.4 km), TKL, ETT, and GMG See TVA listing for arrival time data ----- *TVA OT= 11:21:57.16 LAT= 35.840N LON= 84.129W DEP= 3.4 KM MDB= 1.0 NO= 9, GAP= 97 DEG, RMS= 0.07 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/C ERHMAX= 0.2 KM, AZ= 50 DEG; ERHMIN= 0.2 KM; ERZ= 1.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ORT 17.7 296 iPc 11:22:00.36 ( 0.00 ) iS 11:22:02.70 ( 0.00 ) GBTN 20.7 201 ePd :00.80 (-0.09 ) iS :03.70 ( 0.08 ) HPKT 24.5 67 eS :04.75 ( 0.00 ) TKL 37.9 122 eP :04.00 ( 0.08 ) eS :08.60 (-0.26 ) CRTN 47.6 33 eP :05.68 ( 0.10 ) ETT 64.3 207 eP :07.60 (-0.74X) eS :15.20 (-1.31X) WMTN 100.9 230 eP :14.20 (-0.19 ) eS :26.30 (-0.66X) GMG 119.1 205 eS :30.19 (-1.89X) ***** 20 MAY 1988; 07:18 - NORTHERN GEORGIA ***** *TVA Probable earthquake *CERI OT= 07:18:36.03 LAT= 34.976N LON= 85.070W DEP= 6.4 KM MDB= 0.9 NO= 10, GAP= 306 DEG, RMS= 0.08 SEC, SDOT= 0.05 SEC, Q= C, SQD= B/D ERHMAX= 0.4 KM, AZ= -11 DEG; ERHMIN= 0.2 KM; ERZ= 1.6 KM; Q= B 7 Stations Used: RHT (Dmin= 20.6 km), RCG, GMG, RCT, DCT, ETT, and BBG See TVA listing for arrival time data ----- *TVA OT= 07:18:36.41 LAT= 34.996N LON= 85.059W DEP= 7.6 KM MDB= 1.2 NO= 12, GAP= 263 DEG, RMS= 0.19 SEC, SDOT= 0.26 SEC, Q= D, SQD= C/D ERHMAX= 1.4 KM, AZ= 60 DEG; ERHMIN= 0.7 KM; ERZ= 3.2 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RHT 18.6 60 P 07:18:40.00 ( 0.09 ) eS 07:18:42.50 ( 0.03 ) RCG 26.5 265 eS :43.93 (-0.77X) WMTN 29.1 16 P? :41.78 ( 0.16 ) eS :45.14 (-0.29 ) GMG 38.5 112 eP :42.94 (-0.27 ) eS :47.80 (-0.38 ) RCT 53.1 43 eS :52.50 ( 0.23 ) DCT 58.8 83 P :46.80 ( 0.27 ) eS :53.80 (-0.12 ) ETT 66.1 56 iP :47.70 (-0.05 ) eS :56.30 ( 0.26 ) BBG 114.8 96 eS :19:09.60 (-0.07 ) ----- *GIT OT= 07:18:36.9 LAT= 34.994N LON= 85.058W DEP= 3.1 KM MDB= 1.2 ERHMAX= 0.6 KM, AZ= -68 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.3 SQ KM 4 Stations Used (NO= 6): RHT (Dmin= 18.5 km), RCT, DCT, and ETT See TVA listing for arrival time data ***** 21 MAY 1988; 03:51 - RINGGOLD, GEORGIA ***** *CERI OT= 03:51:21.72 LAT= 34.925N LON= 85.185W DEP= 13.0 KM MDB= 1.5 NO= 21, GAP= 120 DEG, RMS= 0.23 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.5 KM, AZ= -30 DEG; ERHMIN= 0.3 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 15.9 290 eP 03:51:25.42 ( 0.14 ) eS 03:51:28.00 ( 0.13 ) RHT 32.4 58 eP :28.00 ( 0.31 ) WMTN 40.7 28 eP :29.09 ( 0.09 ) eS :34.12 (-0.20 ) LKGA 42.6 218 eP :29.53 ( 0.20 ) eS :34.68 (-0.20 ) GMG 47.5 98 eP :30.04 (-0.12 ) eS :36.07 (-0.24 ) PDTN 71.9 303 iS :42.43 (-0.42 ) ETT 80.0 56 eP- :35.20 (-0.01 ) eS :45.03 (-0.02 ) CPO 83.2 335 eP :35.95 ( 0.26 ) eS :46.13 ( 0.24 ) BHT 104.6 12 eS :51.72 ( 0.13X) GBTN 120.9 47 eS :56.10 ( 0.27 ) BBG 125.7 92 eS :57.70 ( 0.43X) ABTN 135.6 322 eP :44.22 ( 0.51 ) eS :59.85 ( 0.10 ) MSAL 136.4 267 eS :52:00.30 ( 0.37 ) ANTN 138.4 358 eP :44.65 ( 0.51 ) eS :02.17 ( 1.66X) WSSR 151.6 75 eS :04.57 ( 0.42 ) CRTN 186.7 40 S :14.89 ( 1.60X) SHTN 186.8 289 eS :13.56 ( 0.26 ) FDKY 214.1 345 eP :56.45 ( 0.73X) eS :22.97 ( 2.44X) ----- *TVA OT= 03:51:21.80 LAT= 34.927N LON= 85.191W DEP= 13.0 KM MDB= 1.2 NO= 28, GAP= 119 DEG, RMS= 0.28 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.5 KM, AZ= -19 DEG; ERHMIN= 0.3 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 15.3 290 eP 03:51:25.42 ( 0.15 ) eS 03:51:28.00 ( 0.19 ) RHT 32.8 59 P :28.00 ( 0.18 ) S :32.50 ( 0.28 ) WMTN 40.8 29 eP :29.09 ( 0.00 ) eS :34.12 (-0.30 ) LKGA 42.4 217 eP :29.53 ( 0.16 ) eS :34.68 (-0.21 ) GMG 48.1 98 eP :30.04 (-0.28 ) eS :36.07 (-0.47 ) RCT 67.0 46 P :32.80 (-0.46 ) S :41.00 (-0.62X) PDTN 71.3 303 iS :42.43 (-0.35 ) DCT 71.8 78 S :43.40 ( 0.45 ) ETT 80.4 56 eP- :35.20 (-0.14 ) eS :45.03 (-0.20 ) CPO 82.8 335 eP :35.95 ( 0.24 ) eS :46.13 ( 0.27 ) BHT 104.5 12 eS :51.72 ( 0.06 ) GBTN 121.1 47 eS :56.10 ( 0.11 ) BBG 126.3 92 eS :57.70 ( 0.20 ) ABTN 135.2 322 eP :44.22 ( 0.51 ) eS :59.85 ( 0.14 ) ORT 135.5 36 eS :52:02.11 ( 2.31X) MSAL 135.8 267 eS :00.30 ( 0.43 ) ANTN 138.2 358 P? :44.65 ( 0.46 ) eS :02.17 ( 1.63X) WSSR 152.1 75 eS :04.57 ( 0.21 ) TKL 152.3 57 eS :05.00 ( 0.76 ) SHTN 186.2 289 eS :13.56 ( 0.34 ) CRTN 186.9 41 S? :14.89 ( 1.46X) FDKY 213.8 345 eP :56.45 ( 0.70 ) eS :22.97 ( 2.44X) ----- *GIT OT= 03:51:22.1 LAT= 34.927N LON= 85.190W DEP= 14.3 KM MDB= 1.3 ERHMAX= 0.3 KM, AZ= -56 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCG 15.4 290 P 03:51:25.42 (-0.10 ) S 03:51:28.00 (-0.04 ) RHT 32.7 59 P :28.00 ( 0.08 ) S :32.50 ( 0.30 ) WMTN 40.7 29 P :29.09 (-0.05 ) S :34.12 (-0.19 ) LKGA 42.5 218 P :29.53 ( 0.11 ) S :34.68 (-0.12 ) GMG 48.1 99 P :30.04 (-0.24 ) S :35.72 (-0.57 ) RCT 66.8 46 P :32.80 (-0.42 ) S :41.00 (-0.39 ) PDTN 71.2 303 S :42.43 (-0.18 ) DCT 71.7 79 S :43.40 ( 0.66 ) ETT 80.1 57 P :35.20 (-0.14 ) S :45.03 (-0.03 ) CPO 82.7 335 P :35.95 ( 0.21 ) S :46.13 ( 0.37 ) TKL 151.7 58 S :52:04.93 ( 0.20 ) ***** 21 MAY 1988; 12:49 - WESTERN SOUTH CAROLINA ***** *TVA Possible earthquake *CERI OT= 12:49:31.39 LAT= 34.294N LON= 82.357W DEP= 14.2 KM MDB= 2.2 NO= 15, GAP= 282 DEG, RMS= 0.19 SEC, SDOT= 0.24 SEC, Q= D, SQD= C/D ERHMAX= 3.7 KM, AZ= -28 DEG; ERHMIN= 0.7 KM; ERZ= 7.7 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TRYN 108.5 5 eP 12:49:49.12 (-0.07 ) eS 12:50:02.30 ( 0.12 ) RBNC 131.2 334 eP :52.60 (-0.16 ) BBG 148.1 296 eP :55.06 (-0.24 ) eS :12.70 (-0.05 ) WSSR 156.2 315 eP :56.76 ( 0.22 ) eS :14.80 (-0.11 ) BRBC 160.5 2 eS :15.92 (-0.21 ) RICH 185.2 347 eP :50:01.35 ( 0.41 ) eS :22.49 (-0.03X) GMG 221.4 287 eP :06.90 ( 0.40 ) eS :32.43 ( 0.29 ) ETT 223.5 301 eP :07.18 ( 0.40 ) eS :32.66 ( 0.05X) GBTN 227.7 313 eP :07.90 ( 0.51 ) eS :34.10 ( 0.43 ) SMTN 243.5 342 eP :10.20 ( 0.50 ) eS :38.20 ( 0.54X) RCG 284.5 286 eP :14.10 (-0.56X) PLVA 284.8 22 eP :16.22 ( 1.41X) ***** 22 MAY 1988; 15:00 - BARBOURVILLE, KENTUCKY ***** *TVA Probable earthquake; depth unreliable *CERI OT= 15:00:31.79 LAT= 36.967N LON= 83.776W DEP= 9.3 KM MDB= 2.2 NO= 30, GAP= 207 DEG, RMS= 0.25 SEC, SDOT= 0.15 SEC, Q= C, SQD= B/D ERHMAX= 1.0 KM, AZ= -8 DEG; ERHMIN= 0.4 KM; ERZ= 1.2 KM; Q= A 17 Stations Used: ONTN (Dmin= 80.4 km), SMTN, CRTN, BRTN, HPKT, LMTN, ORT, RICH, TKL, GBTN, ANTN, SLTN, FDKY, TQTN, WSSR, ETT, and GFM See TVA listing for arrival time data ----- *TVA OT= 15:00:32.08 LAT= 36.971N LON= 83.774W DEP= 20.8 KM MDB= 2.2 NO= 41, GAP= 118 DEG, RMS= 0.32 SEC, SDOT= 0.14 SEC, Q= D, SQD= C/D ERHMAX= 0.8 KM, AZ= 1 DEG; ERHMIN= 0.5 KM; ERZ= 2.2 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ONTN 80.8 228 eP 15:00:45.42 (-0.21 ) iS 15:00:55.62 ( 0.10 ) SMTN 84.1 141 iPc :46.10 (-0.05 ) eS :56.20 (-0.22 ) CRTN 85.8 184 eP :46.22 (-0.16 ) iS :57.20 ( 0.38 ) BRTN 105.9 130 eP+ :49.58 ( 0.11 ) eS :01:02.85 ( 0.69 ) HPKT 116.4 185 eP :52.40 ( 1.37X) eS :04.40 (-0.47 ) LMTN 124.7 165 eP+ :52.12 (-0.21 ) iS :06.92 (-0.19 ) ORT 127.0 202 eP :52.64 (-0.03 ) eS :08.18 ( 0.48 ) RICH 144.8 143 eP :55.01 (-0.43 ) TKL 145.7 180 eP+ :55.52 ( 0.00 ) eS :12.50 (-0.13 ) GBTN 150.0 195 iPd :55.90 (-0.28 ) iS :14.10 ( 0.33 ) ANTN 157.7 236 eP- :56.83 (-0.55 ) eS :15.86 ( 0.00 ) SLTN 159.0 111 eP- :57.89 ( 0.36 ) eS :17.88 ( 1.77X) PKKY 169.8 22 eP :01:00.60 ( 1.43 ) eS :20.50 ( 1.55 ) FDKY 181.2 264 eP :01.28 ( 0.33 ) iS :22.80 ( 0.78 ) TQTN 182.7 208 eP :00.86 (-0.31 ) eS :23.94 ( 1.53X) WSSR 188.7 175 eP :02.00 (-0.19 ) eS :24.20 ( 0.02 ) ETT 192.5 199 eP :02.20 (-0.51 ) eS :25.50 ( 0.43 ) RBNC 192.6 158 ePc :02.78 (-0.05 ) eS :24.71 (-0.57 ) GFM 200.3 118 eP :03.90 (-0.12 ) eS :27.20 (-0.14 ) WMTN 219.6 210 eP :06.25 ( 0.06 ) eS :34.34 ( 3.24X) CPO 221.7 227 eP :06.68 ( 0.20 ) eS :32.36 ( 0.77 ) PLVA 235.6 97 eP :08.90 ( 0.61 ) eS :36.90 ( 2.18X) ABTN 241.5 241 eP :09.15 ( 0.27 ) eS :36.94 ( 1.20 ) HAKY 250.5 274 eP :11.60 ( 1.65X) eS :40.15 ( 2.55X) PDTN 265.3 225 eP :13.04 ( 1.26 ) S? :43.17 ( 2.41X) LKGA 302.3 211 eP :19.48 ( 3.13X) S? :54.88 ( 6.22X) ***** 23 MAY 1988; 09:32 - TELLICO PLAINS, TENNESSEE ***** *CERI OT= 09:32:52.16 LAT= 35.351N LON= 84.261W DEP= 7.8 KM MDB= 0.9 NO= 6, GAP= 135 DEG, RMS= 0.11 SEC, SDOT= 0.38 SEC, Q= C, SQD= C/C ERHMAX= 1.8 KM, AZ= -89 DEG; ERHMIN= 0.9 KM; ERZ= 10.8 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 17.8 261 iP 09:32:55.70 ( 0.12 ) iS 09:32:58.00 (-0.08 ) GBTN 35.3 7 eP :58.20 (-0.19 ) iS :33:03.00 ( 0.07 ) WSSR 62.7 97 eS :10.90 ( 0.02 ) BBG 67.0 142 eP :33:03.60 (-0.09 ) ----- *GIT OT= 09:32:52.2 LAT= 35.334N LON= 84.268W DEP= 8.4 KM MDB= 1.0 ERHMAX= 0.7 KM, AZ= -55 DEG; ERHMIN= 0.6 KM; ELLIPSE AREA= 1.3 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 17.0 267 P 09:32:55.70 ( 0.31 ) S 09:32:58.00 ( 0.30 ) DCT 34.0 204 P :57.50 (-0.54 ) S :33:01.40 (-0.90 ) RCT 35.8 272 P :59.00 ( 0.68 ) S :02.40 (-0.38 ) GBTN 37.2 8 P :58.20 (-0.34 ) S :03.00 (-0.17 ) BBG 66.0 141 P :33:03.60 ( 0.40 ) ***** 26 MAY 1988; 09:53 - KNOXVILLE, TENNESSEE ***** *GIT OT= 09:53:39.7 LAT= 35.944N LON= 83.923W DEP= 16.2 KM MDB= 1.1 ERHMAX= 0.8 KM, AZ= -33 DEG; ERHMIN= 0.5 KM; ELLIPSE AREA= 1.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 34.5 157 P 09:53:46.20 ( 0.26 ) S 09:53:50.33 (-0.17 ) ORT 35.1 266 S :51.21 ( 0.55 ) GBTN 40.3 220 P :46.40 (-0.41 ) S :51.50 (-0.51 ) RCT 94.4 225 S 54:07.10 ( 0.46 ) DCT 108.6 205 P :57.70 ( 0.21 ) ----- *TVA OT= 09:53:40.48 LAT= 35.887N LON= 83.928W DEP= 11.5 KM MDB= 1.1 NO= 18, GAP= 146 DEG, RMS= 0.23 SEC, SDOT= 0.08 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= 0 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 29.0 151 iPc 09:53:46.00 ( 0.16 ) eS 09:53:49.85 ( 0.10 ) ORT 34.1 274 eP :47.56 ( 0.91X) iS :51.21 ( 0.06 ) GBTN 35.4 226 iP :46.40 (-0.46 ) iS :51.50 (-0.01 ) CRTN 35.6 13 eP :47.13 ( 0.24 ) eS :51.43 (-0.14 ) LMTN 46.8 90 eS :54.46 (-0.25 ) WSSR 74.7 155 eS :54:02.60 (-0.08 ) ETT 78.5 218 eS :03.20 (-0.36 ) RCT 89.6 228 S :07.10 ( 0.64 ) RICH 100.2 88 eS :09.10 (-0.27 ) DCT 102.6 206 P :57.70 ( 0.19 ) S :10.00 ( 0.05 ) BBG 112.9 175 eS :12.53 (-0.27 ) ANTN 121.6 285 eS :15.23 ( 0.23 ) GMG 132.2 211 eS :17.70 (-0.17 ) ABTN 196.9 271 eS :35.01 ( 0.10 ) ----- *CERI OT= 09:53:40.52 LAT= 35.894N LON= 83.936W DEP= 13.3 KM MDB= 0.9 NO= 13, GAP= 169 DEG, RMS= 0.19 SEC, SDOT= 0.10 SEC, Q= C, SQD= B/C ERHMAX= 0.4 KM, AZ= 86 DEG; ERHMIN= 0.4 KM; ERZ= 1.0 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 29.9 151 iPc 09:53:46.20 ( 0.08 ) iS 09:53:50.33 ( 0.13 ) ORT 33.4 273 iS :51.21 ( 0.06 ) CRTN 35.1 14 eP :47.13 ( 0.19 ) eS :51.43 (-0.19 ) GBTN 35.4 225 iS :51.50 (-0.19 ) LMTN 47.5 91 eS :54.46 (-0.59 ) WSSR 75.6 155 eS :54:02.60 (-0.17 ) ETT 78.6 217 eS :03.20 (-0.24 ) RCT 89.6 227 eS :07.10 ( 0.80X) RICH 100.9 88 eS :09.10 (-0.30X) DCT 102.9 205 eP :57.70 ( 0.21 ) eS :10.00 ( 0.12 ) BBG 113.7 174 eS :12.53 (-0.32X) ANTN 120.8 285 eS :15.23 ( 0.61 ) GMG 132.4 210 eS :17.70 (-0.08 ) ***** 27 MAY 1988; 11:08 - MOULTON, ALABAMA ***** *TVA Probable earthquake *TVA OT= 11:08:50.75 LAT= 34.384N LON= 87.276W DEP= 2.3 KM MDB= 1.4 NO= 14, GAP= 232 DEG, RMS= 0.24 SEC, SDOT= 0.31 SEC, Q= D, SQD= C/D ERHMAX= 1.6 KM, AZ= 6 DEG; ERHMIN= 0.6 KM; ERZ= 3.2 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) HVA 61.2 130 P 11:09:00.00 (-1.47X) S 11:09:05.20 (-4.11X) MSAL 75.5 47 eP :04.01 ( 0.18 ) eS :13.25 (-0.13 ) PWLA 97.9 313 eP :07.10 (-0.44 ) eS :20.00 ( 0.21 ) PDTN 163.6 53 P? :18.31 ( 0.53 ) eS :37.90 ( 0.39 ) LKGA 167.8 80 eP :18.40 (-0.04 ) eS :38.55 (-0.11 ) TCT 181.7 352 eP :20.44 (-0.09 ) eS :43.28 ( 1.01 ) ABTN 197.7 32 eP :24.37 ( 1.38X) eS :46.25 (-0.28 ) CPO 206.1 48 eP+ :23.91 (-0.40 ) eS :50.23 ( 1.43X) WMTN 231.5 65 eP- :28.30 ( 0.13 ) eS :56.40 ( 0.90 ) HAKY 308.4 11 eS :10:16.20 ( 4.22X) ----- *CERI OT= 11:08:51.73 LAT= 34.318N LON= 87.110W DEP= 0.3 KM MDB= 1.7 NO= 11, GAP= 259 DEG, RMS= 0.40 SEC, SDOT= 0.46 SEC, Q= D, SQD= D/D ERHMAX= 4.7 KM, AZ= 61 DEG; ERHMIN= 1.6 KM; ERZ= 8.6 KM; Q= D 7 Stations Used: HVA (Dmin= 45.0 km), MSAL, LKGA, PDTN, ABTN, CPO, and WMTN See TVA listing for arrival time data ***** 27 MAY 1988; 15:06 - MARYVILLE, TENNESSEE ***** *CERI OT= 15:06:25.85 LAT= 35.711N LON= 83.983W DEP= 17.4 KM MDB= 1.6 NO= 23, GAP= 121 DEG, RMS= 0.15 SEC, SDOT= 0.06 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -28 DEG; ERHMIN= 0.2 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 19.8 107 iS 15:06:33.63 ( 0.10 ) GBTN 21.3 256 iPd 15:06:30.57 ( 0.10 ) iS :33.78 (-0.06 ) HPKT 25.6 21 iP :31.10 ( 0.05 ) eS :34.70 (-0.14 ) ORT 36.5 307 eP :33.05 ( 0.44X) iS :37.52 (-0.03 ) TLT 53.0 211 eS :42.00 ( 0.12X) LMTN 55.3 69 eS :42.26 (-0.23 ) CRTN 55.7 13 iP :35.55 ( 0.03 ) eS :42.64 ( 0.06 ) WSSR 60.5 143 eP :36.52 ( 0.19 ) eS :43.60 (-0.38 ) ETT 60.5 225 iP :36.32 ( 0.06 ) iS :43.62 (-0.24 ) TQTN 70.7 252 eP :38.01 ( 0.22 ) eS :48.60 ( 2.10X) RCT 73.7 237 eP :38.20 (-0.04X) eS :47.10 (-0.19X) DCT 83.0 209 eP :39.90 ( 0.22X) eS :49.70 (-0.08X) BBG 94.2 170 eP :41.52 ( 0.05 ) ONTN 95.0 334 eP- :41.28 (-0.25 ) eS :53.62 ( 0.64 ) RBNC 98.6 113 eS :54.20 ( 0.10 ) WMTN 103.5 241 eP :41.82 (-0.99X) eS :56.75 ( 1.55X) GMG 113.0 214 eP :44.72 ( 0.39 ) eS :57.85 ( 0.03 ) BRTN 123.4 54 eS :07:00.84 ( 0.35 ) ANTN 123.7 295 eP :46.15 ( 0.23 ) eS :00.83 ( 0.26 ) BRBC 153.5 88 eS :09.50 ( 0.83X) ABTN 193.2 276 eS :19.64 ( 0.69X) FDKY 202.1 307 eS :23.00 ( 1.70X) ----- *TVA OT= 15:06:25.90 LAT= 35.708N LON= 83.976W DEP= 15.8 KM MDB= 1.4 NO= 32, GAP= 123 DEG, RMS= 0.19 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -35 DEG; ERHMIN= 0.2 KM; ERZ= 0.8 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 19.1 107 eP 15:06:30.65 ( 0.54X) iS 15:06:33.15 (-0.04 ) GBTN 21.8 258 iPd :30.57 ( 0.10 ) iS :33.78 (-0.03 ) HPKT 25.8 20 iP :31.10 ( 0.08 ) eS :34.70 (-0.05 ) ORT 37.2 307 eP :33.05 ( 0.33 ) iS :37.52 (-0.18 ) CBT 44.4 245 P :34.90 ( 1.09X) S :39.90 ( 0.31 ) TLT 53.0 212 S :42.00 ( 0.11 ) LMTN 54.9 69 eS :42.26 (-0.14 ) CRTN 56.0 13 iP :35.55 (-0.04 ) eS :42.64 (-0.02 ) WSSR 59.8 143 eP :36.52 ( 0.26 ) eS :43.60 (-0.22 ) ETT 60.7 226 iP :36.32 ( 0.00 ) iS :43.62 (-0.31 ) TQTN 71.2 253 eP :38.01 ( 0.11 ) eS :48.60 ( 1.93X) RCT 74.0 237 P :38.20 (-0.14 ) S :47.10 (-0.32 ) DCT 82.9 209 P :39.90 ( 0.18 ) S :49.70 (-0.11 ) BBG 93.7 171 eP :41.52 ( 0.08 ) eS :52.23 (-0.56 ) ONTN 95.6 334 eP- :41.28 (-0.40 ) S? :53.62 ( 0.43 ) RBNC 97.8 113 eS :54.20 ( 0.24 ) WMTN 103.9 241 eP :41.82 (-1.10X) eS :56.75 ( 1.41X) RICH 107.2 77 eS :57.60 ( 1.30X) GMG 113.0 214 eP :44.72 ( 0.34 ) eS :57.85 (-0.03 ) BRTN 123.1 54 eS :07:00.84 ( 0.37 ) ANTN 124.5 295 eP :46.15 ( 0.06 ) eS :00.83 ( 0.01 ) BRBC 152.9 88 eS :09.50 ( 0.92X) ABTN 193.8 276 eS :19.64 ( 0.47 ) FDKY 202.8 307 eS :23.00 ( 1.46X) ----- *GIT OT= 15:06:26.5 LAT= 35.687N LON= 83.987W DEP= 15.6 KM MDB= 1.6 ERHMAX= 0.3 KM, AZ= -48 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TKL 19.5 100 S 15:06:33.62 ( 0.02 ) GBTN 20.4 264 P 15:06:30.57 (-0.15 ) S :33.78 (-0.03 ) ORT 39.4 312 P :33.05 (-0.39 ) CBT 42.6 247 P :34.50 ( 0.57 ) S :39.70 ( 0.33 ) TLT 50.6 212 S :42.00 ( 0.51 ) ETT 58.5 227 P :36.32 (-0.06 ) S :43.62 ( 0.01 ) WSSR 58.7 141 P :36.52 ( 0.10 ) S :43.60 (-0.07 ) RCT 72.1 238 P :38.20 (-0.33 ) S :47.10 (-0.23 ) DCT 80.6 209 P :39.90 ( 0.04 ) S :49.70 ( 0.06 ) BBG 91.6 170 P :41.52 (-0.09 ) S :52.23 (-0.44 ) GMG 110.8 214 P :44.72 ( 0.07 ) S :57.85 (-0.09 ) ***** 30 MAY 1988; 23:11 - SUMMERVILLE, SOUTH CAROLINA ***** *USC OT= 23:11:33.1 LAT= 32.914N LON= 80.213W DEP= 7.8 KM MDL= 1.3 NO= 5, GAP= 134 DEG, RMS RES= 0.02 SEC, Q= C, SQD= A/D ERH= 0.6 KM, ERZ= 1.1 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RGR 2.0 117 iPu 23:11:37.04 ( 0.02 ) S 23:11:38.75 (-1.30X) MGS 7.0 105 iPu :37.44 (-0.01 ) S :38.62 (-2.19X) SVS 7.0 331 iPu :37.45 (-0.02 ) S :39.21 (-1.64X) WAS 9.2 217 eP+ :37.60 (-0.06 ) S :39.90 (-1.29X) BCS 15.2 60 eP :37.60 (-1.11X) S :41.34 (-1.71X) HBF 15.6 278 iPu :37.97 ( 0.02 ) S :39.69 (-2.01X) ----- *USGS OT= 23:11:35.12 LAT= 32.918N LON= 80.221W DEP= 9.7 KM ML= 1.3 NO= 14, RMS= 0.097 SEC, dx= 0.628 km, dy= 0.837 km, dz= 1.472 km STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RGR 2.9 118 iPc 23:11:37.08 ( 0.07 ) S 23:11:38.80 ( 0.23 ) SVS 6.2 335 iPc :37.45 ( 0.09 ) S :38.75 (-0.12 ) MGS 7.9 107 iPc :37.43 (-0.06 ) S :38.60 (-0.27 ) WAS 9.1 211 eP+ :37.67 ( 0.11 ) S :38.95 (-0.16 ) HBF 14.8 276 iPc :37.98 ( 0.00 ) S :39.63 (-0.10 ) BCS 16.4 64 iPc :38.53 (-0.07 ) S :41.32 ( 0.14 ) TWB 24.5 26 iPd :39.83 ( 0.00 ) S :42.90 (-0.10 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 85.0 45.0 90.0 Nodal Plane: 265.0 45.0 90.0 P Axis: -5.0 90.0 T Axis: 251.4 0.0 ***** 3 JUNE 1988; 15:47 - SODDY, TENNESSEE ***** *CERI OT= 15:47:53.12 LAT= 35.260N LON= 85.262W DEP= 16.7 KM MDB= 1.5 NO= 30, GAP= 76 DEG, RMS= 0.14 SEC, SDOT= 0.04 SEC, Q= B, SQD= A/B ERHMAX= 0.2 KM, AZ= -14 DEG; ERHMIN= 0.2 KM; ERZ= 1.1 KM; Q= A 17 Stations Used: WMTN (Dmin= 26.3 km), RCG, RHT, CPO, PDTN, RCT, TQTN, BHT, LKGA, DCT, ANTN, ABTN, GBTN, OCA, MSAL, ONTN, and SHTN See TVA listing for arrival time data ----- *TVA OT= 15:47:53.13 LAT= 35.260N LON= 85.261W DEP= 16.4 KM MDB= 1.8 NO= 39, GAP= 76 DEG, RMS= 0.18 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -2 DEG; ERHMIN= 0.2 KM; ERZ= 1.2 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) WMTN 26.3 93 ePc 15:47:58.45 ( 0.08 ) iS 15:48:02.21 ( 0.02 ) RCG 32.5 194 eP :59.18 (-0.10 ) eS :04.07 ( 0.30 ) RHT 40.0 120 P :48:00.20 (-0.18 ) S :05.20 (-0.47 ) CPO 47.6 324 iPc :01.57 ( 0.02 ) iS :07.58 (-0.12 ) PDTN 53.5 272 eP :02.41 (-0.03 ) iS :09.08 (-0.15 ) RCT 55.4 80 P :03.00 ( 0.28 ) S :09.60 (-0.12 ) TQTN 56.4 60 eP :02.77 (-0.09 ) eS :09.81 (-0.15 ) GMG 69.6 129 eP :04.90 (-0.06 ) eS :12.89 (-0.70X) BHT 71.2 24 eS :14.19 ( 0.22 ) LKGA 73.2 195 eP :05.51 ( 0.05 ) eS :14.37 (-0.09 ) ETT 73.7 84 eP :05.70 ( 0.16 ) iS :14.20 (-0.40 ) DCT 80.0 106 P :06.90 ( 0.39 ) S :16.40 ( 0.12 ) ANTN 101.2 2 eP :10.03 ( 0.26 ) iS :22.52 ( 0.61 ) ABTN 103.6 312 eP :10.16 ( 0.06 ) eS :22.54 ( 0.05 ) GBTN 105.5 64 eP :10.40 ( 0.01 ) iS :22.90 (-0.09 ) ORT 112.8 50 eP :12.86 ( 1.35X) eS :26.46 ( 1.53X) OCA 128.9 237 S :29.30 ( 0.11 ) MSAL 136.7 251 eS :31.13 (-0.13 ) BBG 139.0 108 eS :32.30 ( 0.26 ) TKL 142.1 71 eS :32.50 (-0.19 ) WSSR 153.2 89 eP :18.22 ( 0.43 ) eS :35.72 (-0.07 ) ONTN 154.4 28 P? :17.91 ( 0.00 ) eS :36.83 ( 0.83 ) CRTN 165.5 51 eP :20.74 ( 1.14X) eS :41.03 ( 2.11X) SHTN 171.3 278 eP :20.53 ( 0.07 ) eS :40.38 (-0.03 ) TCT 223.4 292 eP :28.15 ( 0.04 ) ----- *GIT OT= 15:47:53.4 LAT= 35.257N LON= 85.261W DEP= 13.7 KM MDB= 1.9 ERHMAX= 0.2 KM, AZ= 83 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.1 SQ KM 15 Stations Used (NO= 28): WMTN (Dmin= 26.2 km), RCG, RHT, CPO, PDTN, RCT, TQTN, GMG, LKGA, ETT, DCT, ANTN, ABTN, GBTN, and OCA See TVA listing for arrival time data ***** 9 JUNE 1988; 14:33 - NEWBERRY, SOUTH CAROLINA ***** *USC OT= 14:33:54.82 LAT= 34.354N LON= 81.510W DEP= 1.0 KM MDL= 2.2 NO= 4, GAP= 345 DEG, RMS RES= 0.22 SEC, Q= C, SQD= B/D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) JSC 24.4 110 Pu 14:33:58.50 (-0.27 ) S 14:34:02.00 (-0.01 ) MR02 31.3 125 Pu :34:00.20 ( 0.28 ) S :04.10 ( 0.01 ) ***** 10 JUNE 1988; 13:31 - EASTERN TENNESSEE ***** *CERI OT= 13:31:26.43 LAT= 35.621N LON= 84.534W DEP= 14.0 KM MDB= 0.2 NO= 5, GAP= 273 DEG, RMS= 0.04 SEC, SDOT= 0.99 SEC, Q= D, SQD= D/D ERHMAX= 6.0 KM, AZ= -50 DEG; ERHMIN= 1.6 KM; ERZ= 3.6 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 29.7 80 eP 13:31:32.10 ( 0.07 ) eS 13:31:36.10 (-0.02 ) ETT 33.5 168 eP :32.60 (-0.03 ) eS :37.20 ( 0.04 ) TKL 69.0 86 eS :46.69 ( 0.00 ) ***** 11 JUNE 1988; 12:45 - EPPERSON, TENNESSEE ***** *CERI OT= 12:45:28.32 LAT= 35.298N LON= 84.390W DEP= 13.5 KM MDB= 0.3 NO= 6, GAP= 344 DEG, RMS= 0.16 SEC, SDOT= 0.29 SEC, Q= D, SQD= D/D ERHMAX= 3.1 KM, AZ= -51 DEG; ERHMIN= 1.0 KM; ERZ= 2.1 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 6.7 298 iP 12:45:31.20 ( 0.23 ) eS 12:45:32.70 (-0.22 ) RCT 25.2 282 eP :33.20 ( 0.00 ) eS :36.80 ( 0.04 ) GBTN 44.0 22 iS :41.80 (-0.04 ) GMG 54.7 208 eS :44.80 (-0.15 ) WSSR 73.9 92 eS :50.45 ( 0.35X) ----- *GIT OT= 12:45:28.7 LAT= 35.301N LON= 84.395W DEP= 13.1 KM MDB= 0.3 ERHMAX= 0.3 KM, AZ= -89 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 4 Stations Used (NO= 6): ETT (Dmin= 6.1 km), RCT, GBTN, and GMG See CERI listing for arrival time data ***** 14 JUNE 1988; 01:54 - ENGLEWOOD, TENNESSEE ***** *TVA OT= 01:54:59.19 LAT= 35.420N LON= 84.463W DEP= 12.2 KM MDB= 1.3 NO= 26, GAP= 61 DEG, RMS= 0.24 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/A ERHMAX= 0.5 KM, AZ= -55 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 10.4 176 iP 01:55:02.40 ( 0.38 ) iS 01:55:04.20 ( 0.12 ) CBT 13.8 16 P :02.20 (-0.18 ) S :04.50 (-0.22 ) RCT 19.8 245 P :03.20 ( 0.01 ) S :06.00 (-0.11 ) GBTN 35.6 40 iP :05.80 ( 0.17 ) eS :09.96 (-0.36 ) DCT 40.7 174 P :06.20 (-0.25 ) S :11.50 (-0.26 ) WMTN 50.1 248 eP :08.05 ( 0.09 ) eS :14.20 (-0.16 ) RHT 53.8 225 P :08.20 (-0.34 ) S :14.50 (-0.87X) ORT 56.2 15 eP :09.55 ( 0.61X) eS :16.41 ( 0.35 ) GMG 64.6 197 eP :11.30 ( 0.92X) TKL 67.8 67 eS :19.30 (-0.04 ) WSSR 82.0 101 eP :13.20 ( 0.11 ) iS :22.90 (-0.34 ) BBG 84.8 135 eP :13.90 ( 0.38 ) eS :24.20 ( 0.21 ) CPO 102.8 282 eS :28.69 ( 0.06 ) CRTN 103.2 33 P? :16.77 ( 0.50 ) eS :35.45 ( 6.72X) ANTN 108.6 320 P? :17.27 ( 0.18 ) S? :28.45 (-1.72X) ONTN 117.8 1 eS :32.52 (-0.11 ) LKGA 127.6 226 S? :35.59 ( 0.37 ) ABTN 157.8 290 eP :25.23 ( 0.62 ) eS :43.67 ( 0.51 ) ----- *CERI OT= 01:54:59.20 LAT= 35.421N LON= 84.462W DEP= 12.9 KM MDB= 1.7 NO= 15, GAP= 96 DEG, RMS= 0.21 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.7 KM, AZ= -23 DEG; ERHMIN= 0.4 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ETT 10.6 177 iP 01:55:02.40 ( 0.27 ) iS 01:55:04.20 (-0.07 ) RCT 20.0 245 eP :03.20 (-0.08X) eS :06.00 (-0.26X) GBTN 35.5 40 iP :05.80 ( 0.16 ) eS :10.10 (-0.24 ) DCT 40.9 175 eP :06.20 (-0.32X) eS :11.50 (-0.36X) WMTN 50.3 248 eP :08.05 ( 0.03 ) eS :14.20 (-0.26 ) TKL 67.7 67 eS :19.30 ( 0.05 ) WSSR 81.9 101 eP :13.20 ( 0.14X) iS :22.90 (-0.27 ) BBG 84.9 135 eP :13.90 ( 0.39 ) eS :24.20 ( 0.25X) CPO 102.9 282 eS :28.69 ( 0.09 ) ANTN 108.5 320 eP :17.27 ( 0.21 ) eS :28.45 (-1.65X) ONTN 117.7 1 eS :32.52 (-0.01 ) LKGA 127.8 226 eS :35.59 ( 0.37 ) ABTN 157.8 290 eP :25.23 ( 0.64 ) eS :43.67 ( 0.55 ) ----- *GIT OT= 01:54:59.3 LAT= 35.412N LON= 84.452W DEP= 11.7 KM MDB= 1.0 ERHMAX= 0.3 KM, AZ= -35 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM 7 Stations Used (NO= 14): CBTN (Dmin= 14.4 km), RCT, DCT, WMTN, RHT, ORT, and ABTN See TVA listing for arrival time data ***** 14 JUNE 1988; 12:10 - ATHENS, TENNESSEE ***** *CERI OT= 12:10:40.38 LAT= 35.356N LON= 84.691W DEP= 15.8 KM MDB= 2.2 NO= 38, GAP= 55 DEG, RMS= 0.13 SEC, SDOT= 0.03 SEC, Q= B, SQD= A/B ERHMAX= 0.2 KM, AZ= -16 DEG; ERHMIN= 0.1 KM; ERZ= 0.7 KM; Q= A 21 Stations Used: ETT (Dmin= 21.7 km), WMTN, GMG, GBTN, BHT, ORT, RCG, CPO, TKL, BBG, WSSR, ANTN, PDTN, LKGA, CRTN, ONTN, ABTN, SMTN, FDKY, MSAL, and BRTN See TVA listing for arrival time data ----- *TVA OT= 12:10:40.38 LAT= 35.358N LON= 84.691W DEP= 14.3 KM MDB= 2.1 NO= 51, GAP= 34 DEG, RMS= 0.20 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/A ERHMAX= 0.2 KM, AZ= -20 DEG; ERHMIN= 0.2 KM; ERZ= 0.4 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RCT 3.1 117 P 12:10:42.50 (-0.42 ) ETT 21.7 99 iP :44.90 ( 0.03 ) iS 12:10:48.50 ( 0.36 ) WMTN 28.4 245 iPd :45.89 ( 0.07 ) iS :49.81 ( 0.02 ) CBT 31.8 51 P :46.20 (-0.12 ) S :50.40 (-0.25 ) RHT 35.6 209 P :46.50 (-0.40 ) S :51.00 (-0.66X) DCT 41.8 144 P :48.10 ( 0.20 ) S :53.80 ( 0.40 ) GMG 54.9 178 iP :50.00 ( 0.01 ) iS :56.85 (-0.15 ) GBTN 55.4 52 iP :49.90 (-0.09 ) iS :56.85 (-0.15 ) BHT 59.0 337 iP :50.59 ( 0.01 ) eS :57.85 (-0.18 ) ORT 70.5 30 eP :52.39 ( 0.08 ) eS :11:01.42 ( 0.41 ) RCG 73.4 235 P :52.89 ( 0.13 ) CDG 82.9 179 P :54.00 (-0.19 ) S :04.00 (-0.28 ) CPO 84.6 289 iP- :54.49 ( 0.00 ) eS :04.70 (-0.09 ) TKL 89.6 68 iP+ :55.39 ( 0.16 ) eS :06.14 ( 0.07 ) BBG 96.5 124 iP :56.10 (-0.28 ) eS :07.80 (-0.25 ) HPKT 96.9 49 eS :05.80 (-2.18X) WSSR 101.6 95 iP :57.44 ( 0.28 ) eS :09.30 (-0.10 ) ANTN 102.7 332 eP+ :57.17 (-0.09 ) eS :09.26 (-0.32 ) PDTN 105.8 265 eP :57.86 ( 0.15 ) iS :10.31 (-0.04 ) LKGA 108.3 221 eP :58.22 ( 0.10 ) eS :11.74 ( 0.68 ) CRTN 121.0 39 eP :11:00.29 ( 0.24 ) eS :16.21 ( 1.80X) ONTN 126.7 10 eP :00.96 ( 0.03 ) eS :15.82 (-0.12 ) ABTN 141.2 295 eP :03.36 ( 0.23 ) iS :20.07 ( 0.33 ) SMTN 177.4 50 eP :09.00 ( 0.28 ) eS :29.50 ( 0.10 ) RICH 180.6 69 eP :09.79 ( 0.56 ) FDKY 187.4 328 eP :10.41 ( 0.20 ) eS :32.94 ( 0.96 ) MSAL 189.4 253 eP :10.13 (-0.38 ) eS :32.88 ( 0.37 ) BRTN 198.5 56 eP :12.30 ( 0.37 ) eS :37.70 ( 2.74X) SHTN 221.8 274 eP :17.66 ( 2.30X) eS :41.14 ( 0.24 ) BRBC 222.1 78 eP :15.60 (-0.02 ) TRYN 222.6 92 eS :41.60 ( 0.40 ) TCT 268.8 286 eS :52.90 ( 2.07X) ----- *GIT OT= 12:10:40.4 LAT= 35.358N LON= 84.692W DEP= 16.1 KM MDB= 2.2 ERHMAX= 0.2 KM, AZ= -66 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.1 SQ KM 18 Stations Used (NO= 34): RCT (Dmin= 3.1 km), ETT, WMTN, CBTN, RHT, DCT, GMG, GBTN, BHT, ORT, CDG, CPO, TKL, BBG, PDTN, LKGA, ONTN, and ABTN See TVA listing for arrival time data ***** 14 JUNE 1988; 13:37 - JEFFERSON CITY, TENNESSEE ***** *TVA OT= 13:37:51.69 LAT= 36.146N LON= 83.687W DEP= 17.2 KM MDB= 1.7 NO= 36, GAP= 121 DEG, RMS= 0.12 SEC, SDOT= 0.03 SEC, Q= B, SQD= A/B ERHMAX= 0.2 KM, AZ= -32 DEG; ERHMIN= 0.1 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 15.1 294 iPd 13:37:55.72 ( 0.12 ) iS 13:37:58.40 (-0.05 ) HPKT 29.9 215 eP+ :57.40 (-0.08 ) eS :38:01.65 (-0.05 ) SMTN 52.4 60 iP :38:00.84 (-0.05 ) iS :07.50 (-0.10 ) TKL 54.7 188 iP :01.16 (-0.03 ) iS :08.17 ( 0.05 ) ORT 61.5 245 iPc :02.32 ( 0.08 ) eS :10.11 ( 0.17 ) GBTN 71.2 222 eP :03.62 (-0.08 ) iS :12.26 (-0.21 ) BRTN 77.3 72 eP :04.40 (-0.26 ) iS :14.30 ( 0.17 ) ONTN 77.5 299 eP :04.69 (-0.01 ) eS :14.26 ( 0.07 ) RICH 82.2 108 iP :05.52 ( 0.08 ) eS :15.50 ( 0.02 ) WSSR 96.8 174 iP :07.75 ( 0.04 ) eS :19.48 ( 0.07 ) ETT 114.4 218 iP :10.40 ( 0.06 ) iS :23.72 (-0.23 ) BHT 118.2 254 eP :10.70 (-0.23 ) eS :24.70 (-0.28 ) BRBC 134.2 109 eP :13.50 ( 0.01 ) iS :29.62 ( 0.22 ) ANTN 139.0 272 eP :13.90 (-0.20 ) BBG 141.5 185 iP :14.68 ( 0.13 ) iS :31.40 ( 0.16 ) SLTN 144.5 76 eS :35.80 ( 3.95X) WMTN 153.2 230 eP :16.80 ( 0.55 ) iS :34.58 ( 0.41 ) TRYN 162.8 126 eS :36.90 ( 0.07 ) GMG 168.0 212 eP :18.60 ( 0.01 ) eS :38.30 ( 0.07 ) GFM 169.3 91 eS :38.75 ( 0.08 ) RCG 198.8 230 eS :46.30 (-0.01 ) PDTN 218.3 244 eS :52.60 ( 1.60X) ABTN 220.2 263 eP :26.76 ( 0.54X) eS :53.70 ( 2.28X) LKGA 234.1 224 eS :57.52 ( 3.10X) ----- *CERI OT= 13:37:51.70 LAT= 36.146N LON= 83.686W DEP= 17.1 KM MDB= 1.4 NO= 32, GAP= 121 DEG, RMS= 0.12 SEC, SDOT= 0.03 SEC, Q= B, SQD= A/B ERHMAX= 0.3 KM, AZ= -34 DEG; ERHMIN= 0.2 KM; ERZ= 0.6 KM; Q= A 17 Stations Used: CRTN (Dmin= 15.1 km), HPKT, SMTN, TKL, ORT, GBTN, BRTN, ONTN, RICH, WSSR, ETT, BHT, BRBC, ANTN, BBG, WMTN, and GMG See TVA listing for arrival time data ***** 15 JUNE 1988; 14:46 - WESTERN SOUTH CAROLINA ***** *CERI OT= 14:46:16.55 LAT= 34.630N LON= 82.529W DEP= 1.4FXD KM MDB= 1.4 NO= 14, GAP= 262 DEG, RMS= 0.12 SEC, SDOT= 0.14 SEC, Q= D, SQD= C/D ERHMAX= 2.3 KM, AZ= -32 DEG; ERHMIN= 0.4 KM; ERZ= 3.1 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) TRYN 75.2 20 iP 14:46:29.60 (-0.09 ) WSSR 119.8 307 eP :37.11 ( 0.08 ) eS 14:46:51.87 (-0.12 ) BBG 120.5 283 eP :37.20 ( 0.06 ) eS :52.00 (-0.17 ) BRBC 125.0 10 eS :53.55 ( 0.09 ) RICH 145.4 350 eP :41.18 ( 0.26 ) eS :58.75 ( 0.03 ) TKL 160.9 315 eS :47:02.40 (-0.31 ) GFM 176.9 22 eP :46.10 ( 0.29 ) eS :07.30 ( 0.12 ) GBTN 191.6 307 eP :47.50 (-0.43 ) ETT 192.1 294 eP :48.30 ( 0.26 ) eS :11.30 ( 0.28 ) ***** 16 JUNE 1988; 09:00 - SUMMERVILLE, GEORGIA ***** *CERI OT= 09:00:44.26 LAT= 34.493N LON= 85.498W DEP= 12.1 KM MDB= 0.0 NO= 12, GAP= 261 DEG, RMS= 0.08 SEC, SDOT= 0.10 SEC, Q= C, SQD= B/D ERHMAX= 0.5 KM, AZ= -4 DEG; ERHMIN= 0.4 KM; ERZ= 0.3 KM; Q= A 8 Stations Used: LKGA (Dmin= 14.7 km), PDTN, WMTN, MSAL, ETT, GBTN, SHTN, and TKL See TVA listing for arrival time data ----- *TVA OT= 09:00:44.36 LAT= 34.497N LON= 85.500W DEP= 11.9 KM MDB= 1.2 NO= 16, GAP= 248 DEG, RMS= 0.10 SEC, SDOT= 0.11 SEC, Q= C, SQD= B/D ERHMAX= 0.6 KM, AZ= 6 DEG; ERHMIN= 0.4 KM; ERZ= 0.3 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LKGA 14.3 10 iPd 09:00:47.58 (-0.03 ) iS 09:00:50.00 ( 0.02 ) PDTN 91.9 340 iS :01:10.97 ( 0.06 ) WMTN 96.3 30 eP :01:00.52 ( 0.14 ) eS :11.91 (-0.17 ) MSAL 114.3 290 eS :16.70 (-0.15 ) DCT 116.7 58 P :03.80 ( 0.28 ) S :16.80 (-0.71 ) CPO 123.0 357 S? :20.21 ( 1.02X) ETT 132.6 46 eP :05.70 (-0.27 ) eS :21.80 ( 0.06 ) BHT 158.1 18 eP :12.27 ( 2.38X) eS :30.15 ( 1.62X) ABTN 163.7 340 eS :30.61 ( 0.66 ) GBTN 175.1 42 eP :12.60 ( 0.15 ) eS :33.10 ( 0.14 ) SHTN 183.2 306 P? :13.67 (-0.02 ) eS :35.72 ( 0.62 ) ORT 190.8 34 S? :38.28 ( 1.15X) WSSR 195.9 63 eS :39.82 ( 1.18X) TKL 203.4 50 eS :40.26 (-0.21 ) ***** 18 JUNE 1988; 10:36 - VONORE, TENNESSEE ***** *CERI OT= 10:36:28.14 LAT= 35.569N LON= 84.143W DEP= 11.5 KM MDB= 1.5 NO= 32, GAP= 52 DEG, RMS= 0.17 SEC, SDOT= 0.03 SEC, Q= B, SQD= B/B ERHMAX= 0.2 KM, AZ= -41 DEG; ERHMIN= 0.2 KM; ERZ= 0.4 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 12.4 330 iP 10:36:31.12 ( 0.04 ) iS 10:36:33.00 (-0.22 ) CBT 25.4 263 eP :33.26 ( 0.34 ) eS :36.51 ( 0.10 ) TLT 32.4 203 eP :34.55 ( 0.52X) eS :38.48 ( 0.14 ) TKL 34.8 73 iP :34.48 ( 0.07 ) iS :38.88 (-0.11 ) ETT 39.1 227 iP :35.28 ( 0.16 ) iS :40.08 (-0.14 ) ORT 40.5 339 eP :35.44 ( 0.11 ) eS :41.16 ( 0.58 ) HPKT 46.2 31 eS :41.65 (-0.51X) RCT 53.2 242 eP :37.56 ( 0.17 ) eS :46.39 ( 2.24X) WSSR 60.6 122 iP :38.66 (-0.02 ) iS :46.26 (-0.11 ) DCT 62.4 204 eP :39.30 ( 0.38 ) eS :46.58 (-0.20 ) CRTN 75.1 21 eP+ :40.92 (-0.04 ) eS :50.32 ( 0.00 ) BHT 78.9 293 eS :51.12 (-0.25 ) BBG 82.8 159 iP :42.38 ( 0.17 ) iS :52.55 ( 0.06 ) WMTN 83.4 245 eP :42.14 (-0.08 ) eS :52.07 (-0.43 ) RHT 86.5 231 eS :53.07 (-0.24 ) GMG 91.9 212 eP :43.70 ( 0.11 ) iS :54.78 (-0.09 ) ONTN 104.8 345 eP :45.22 (-0.30 ) eS :58.41 ( 0.20 ) ANTN 118.9 305 eP :47.81 ( 0.13 ) eS :59.48 (-2.46X) CPO 129.7 272 eS :37:04.86 ( 0.05 ) BRTN 144.4 52 eS :13.18 ( 4.47X) LKGA 160.3 230 eP :54.36 ( 0.34 ) eS :13.67 ( 0.75X) ABTN 181.3 282 eP :37:00.12 ( 2.90X) eS :18.30 (-0.14 ) ----- *TVA OT= 10:36:28.14 LAT= 35.574N LON= 84.140W DEP= 11.5 KM MDB= 1.3 NO= 34, GAP= 53 DEG, RMS= 0.19 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -47 DEG; ERHMIN= 0.2 KM; ERZ= 0.5 KM; Q= A 21 Stations Used: GBTN (Dmin= 12.1 km), CBT, TLT, TKL, ETT, ORT, HPKT, RCT, WSSR, DCT, CRTN, BHT, BBG, WMTN, RHT, GMG, ONTN, ANTN, CPO, LKGA, and ABTN See CERI listing for arrival time data ----- *GIT OT= 10:36:28.6 LAT= 35.574N LON= 84.146W DEP= 10.0 KM MDB= 1.3 ERHMAX= 0.1 KM, AZ= -41 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.0 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 11.8 330 P 10:36:31.12 (-0.03 ) S 10:36:33.00 (-0.02 ) CBT 25.2 261 P :33.26 ( 0.19 ) S :36.51 ( 0.15 ) TLT 32.7 202 P :34.55 ( 0.31 ) S :38.48 ( 0.09 ) TKL 34.9 75 P :34.48 (-0.11 ) S :38.88 (-0.11 ) ETT 39.3 226 P :35.28 ( 0.00 ) S :40.08 (-0.11 ) ORT 41.6 339 P :35.44 (-0.20 ) S :41.14 ( 0.33 ) RCT 53.3 242 P :37.56 ( 0.05 ) WSSR 61.2 122 P :38.66 (-0.13 ) S :46.26 (-0.01 ) DCT 62.8 203 P :39.30 ( 0.25 ) S :46.58 (-0.13 ) CRTN 74.7 22 P :40.92 (-0.03 ) S :50.32 ( 0.30 ) BBG 83.5 159 P :42.38 ( 0.01 ) S :52.55 ( 0.08 ) WMTN 83.5 244 P :42.14 (-0.24 ) S :52.07 (-0.42 ) RHT 86.8 231 S :53.07 (-0.34 ) GMG 92.3 211 P :43.70 (-0.10 ) S :54.78 (-0.17 ) ***** 20 JUNE 1988; 07:50 - LENOIR CITY, TENNESSEE ***** *CERI OT= 07:50:18.39 LAT= 35.836N LON= 84.196W DEP= 10.1 KM MDB= 1.7 NO= 30, GAP= 65 DEG, RMS= 0.20 SEC, SDOT= 0.04 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -81 DEG; ERHMIN= 0.3 KM; ERZ= 0.6 KM; Q= A 18 Stations Used: ORT (Dmin= 12.8 km), GBTN, HPKT, TKL, CRTN, ETT, ONTN, WSSR, WMTN, ANTN, RHT, SMTN, BBG, CPO, BRTN, ABTN, LKGA, and FDKY See TVA listing for arrival time data ----- *TVA OT= 07:50:18.44 LAT= 35.839N LON= 84.193W DEP= 9.9 KM MDB= 1.6 NO= 32, GAP= 64 DEG, RMS= 0.22 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/B ERHMAX= 0.3 KM, AZ= -70 DEG; ERHMIN= 0.3 KM; ERZ= 0.7 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) ORT 12.8 308 iPc 07:50:21.30 ( 0.04 ) eS 07:50:23.16 (-0.15 ) GBTN 19.2 185 iP :22.40 ( 0.22 ) iS :24.80 (-0.11 ) HPKT 29.9 71 eP :23.70 (-0.16 ) eS :27.60 (-0.22 ) CBT 39.1 212 P :25.80 ( 0.44 ) S :30.80 ( 0.39 ) TKL 42.9 118 eP :26.07 ( 0.10 ) iS :31.30 (-0.17 ) CRTN 51.1 38 eP :27.58 ( 0.25 ) eS :34.20 ( 0.39 ) ETT 61.7 203 eP :29.15 ( 0.08 ) iS :36.57 (-0.27 ) RCT 69.3 218 P :30.50 ( 0.19 ) S :38.20 (-0.77X) ONTN 74.8 343 eP :31.00 (-0.23 ) eS :40.30 (-0.27 ) WSSR 83.6 138 eP :32.65 (-0.09 ) WMTN 96.5 227 eP :34.40 (-0.22 ) eS :46.24 (-0.20 ) ANTN 100.7 292 eP :35.22 (-0.06 ) eS :47.67 ( 0.09 ) RHT 105.1 217 P :36.00 ( 0.07 ) S :48.00 (-0.70X) SMTN 109.1 56 eP :37.30 ( 0.70 ) eS :51.20 ( 1.35X) BBG 112.5 162 eP :37.18 ( 0.01 ) iS :50.30 (-0.54 ) CPO 127.6 259 eS :54.67 (-0.05 ) BRTN 132.4 64 eP :41.64 ( 1.49X) eS :56.10 ( 0.10 ) PDTN 162.8 248 eP :47.16 ( 2.38X) eS :51:06.50 ( 2.50X) ABTN 173.2 272 eP :47.89 ( 1.53X) eS :05.71 (-1.04X) LKGA 178.2 221 eP- :47.79 ( 0.63 ) eS :09.70 ( 1.57X) FDKY 178.4 307 eP+ :47.94 ( 0.78 ) eS :08.99 ( 0.87 ) SLTN 198.2 70 eP :51.28 ( 1.10X) eS :14.74 ( 1.40X) GFM 217.3 81 eP :54.80 ( 1.56X) eS :19.30 ( 0.65 ) SHTN 269.3 262 eS :33.32 ( 3.46X) TCT 303.8 274 eS :40.33 ( 3.18X) ----- *GIT OT= 07:50:19.6 LAT= 35.796N LON= 84.167W DEP= 12.8 KM MDB= 1.6 ERHMAX= 0.3 KM, AZ= -23 DEG; ERHMIN= 0.3 KM; ELLIPSE AREA= 0.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CBTE 36.6 219 S 07:50:30.80 ( 0.18 ) TKL 38.7 113 P 07:50:26.07 (-0.21 ) S :31.30 ( 0.11 ) ETT 58.3 207 P :29.15 (-0.21 ) RCT 67.2 222 P :31.00 ( 0.22 ) S :38.80 (-0.18 ) WSSR 78.6 137 P :32.65 ( 0.06 ) RHT 102.9 219 P :36.00 (-0.48 ) S :48.50 (-0.36 ) BBG 107.3 162 P :37.18 ( 0.00 ) S :50.30 ( 0.23 ) ***** 22 JUNE 1988; 16:48 - GREENBACK, TENNESSEE ***** *CERI OT= 16:48:02.98 LAT= 35.659N LON= 84.150W DEP= 13.6 KM MDB= 1.3 NO= 25, GAP= 68 DEG, RMS= 0.20 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/A ERHMAX= 0.4 KM, AZ= -46 DEG; ERHMIN= 0.3 KM; ERZ= 0.5 KM; Q= A STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 5.6 278 iP 16:48:05.70 ( 0.17 ) iS 16:48:07.20 (-0.20 ) CBT 27.9 242 eP+ :08.55 ( 0.27 ) eS :12.27 ( 0.12 ) ORT 31.1 333 iP+ :08.95 ( 0.18 ) iS :13.02 ( 0.03 ) TKL 34.0 90 eP :09.35 ( 0.12 ) iS :13.80 ( 0.01 ) HPKT 38.4 40 eP :08.80 (-1.11X) eS :14.50 (-0.48 ) TLT 41.5 197 eP :10.71 ( 0.28 ) eS :15.84 (-0.03 ) ETT 46.2 217 iP :11.10 (-0.08 ) eS :17.00 (-0.17 ) TQTN 54.6 253 eS :19.02 (-0.44 ) RCT 58.0 233 eP+ :13.19 ( 0.16 ) eS :20.11 (-0.26 ) CRTN 66.1 25 eP :14.56 ( 0.27 ) eS :22.46 (-0.10 ) WSSR 67.0 129 iP :14.61 ( 0.11 ) eS :22.51 (-0.40 ) DCT 71.5 200 eP :15.34 ( 0.23 ) eS :24.24 ( 0.27 ) WMTN 87.6 239 eP :17.62 ( 0.05 ) eS :28.10 (-0.12 ) BBG 92.4 160 eP :18.30 (-0.09X) RHT 92.7 226 eP :19.35 ( 1.01X) GMG 100.3 208 eP :20.00 ( 0.43X) LKGA 166.5 227 eP :31.20 ( 1.52X) eS :51.60 ( 2.43X) GFM 217.4 76 eS :49:03.70 ( 0.88 ) ----- *TVA OT= 16:48:03.03 LAT= 35.660N LON= 84.149W DEP= 13.5 KM MDB= 1.2 NO= 25, GAP= 65 DEG, RMS= 0.18 SEC, SDOT= 0.05 SEC, Q= B, SQD= B/A ERHMAX= 0.4 KM, AZ= -47 DEG; ERHMIN= 0.3 KM; ERZ= 0.5 KM; Q= A 14 Stations Used: GBTN (Dmin= 5.7 km), CBT, ORT, TKL, HPKT, TLT, ETT, RCT, CRTN, WSSR, DCT, WMTN, BBG, and GMG See CERI listing for arrival time data ----- *GIT OT= 16:48:03.5 LAT= 35.664N LON= 84.158W DEP= 12.2 KM MDB= 1.1 ERHMAX= 0.2 KM, AZ= -41 DEG; ERHMIN= 0.1 KM; ELLIPSE AREA= 0.1 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) GBTN 4.8 273 P 16:48:05.70 ( 0.07 ) S 16:48:07.20 (-0.01 ) CBT 27.6 240 P :08.55 ( 0.12 ) S :12.27 ( 0.20 ) ORT 31.9 334 P :08.95 (-0.14 ) S :13.02 (-0.20 ) TKL 34.7 91 P :09.49 (-0.03 ) S :14.10 ( 0.14 ) TLT 41.9 196 P :10.71 ( 0.08 ) S :15.84 (-0.04 ) ETT 46.2 216 P :11.10 (-0.22 ) S :17.00 (-0.07 ) RCT 57.9 232 P :13.19 ( 0.03 ) S :20.11 (-0.15 ) CRTN 65.9 26 P :14.56 ( 0.12 ) S :22.46 (-0.03 ) WSSR 68.0 129 P :14.61 (-0.16 ) S :22.51 (-0.55 ) DCT 71.8 199 P :15.34 (-0.03 ) S :24.24 ( 0.13 ) WMTN 87.4 238 P :17.62 (-0.25 ) S :28.10 (-0.34 ) RHT 92.7 226 P :19.35 ( 0.62 ) ***** 23 JUNE 1988; 12:05 - SUMMERVILLE, SOUTH CAROLINA ***** *USC OT= 12:05:05.70 LAT= 32.973N LON= 80.221W DEP= 10.0 KM MDL= 2.0 NO= 8, GAP= 113 DEG, RMS RES= 0.06 SEC, Q= B, SQD= A/B ERH= 0.5 KM, ERZ= 0.4 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SVS 2.6 260 iPu 12:05:10.09 ( 0.05 ) RGR 7.9 161 iPu :10.40 ( 0.05 ) S 12:05:12.70 (-1.28X) MGS 11.3 138 iPu :10.82 ( 0.03 ) S :12.55 (-2.21X) BCS 14.0 86 ePd :11.32 ( 0.03 ) S :14.23 (-1.42X) WAS 14.7 199 iPu :11.09 (-0.10X) S :13.82 (-1.65X) HBF 15.3 253 iPd :10.64 ( 0.00 ) S :12.70 (-1.79X) HWD 26.3 194 eP- :11.70 (-1.26X) S :16.80 (-1.83X) SGS 36.5 312 iPd :14.43 (-0.11 ) S :18.90 (-2.54X) TRK 44.6 68 iPd :15.71 (-0.09 ) S :20.92 (-2.76X) COW 63.6 315 eP :18.82 ( 0.10 ) S :26.00 (-2.88X) ----- *USGS OT= 12:05:08.73 LAT= 32.973N LON= 80.300W DEP= 6.2 KM ML= 2.0 NO= 20, RMS= 0.346 SEC, dx= 1.618 km, dy= 2.176 km, dz= 5.786 km *USGS A small precursor on several stations degraded the quality of this solution. STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) SVS 4.8 95 iPc 12:05:10.10 (-0.26 ) HBF 8.5 238 iPc :10.57 ( 0.18 ) RGR 12.4 126 iPc :10.41 (-0.94 ) S 12:05:12.15 (-0.52 ) WAS 14.2 169 eP+ :13.10 ( 1.28 ) S :14.50 ( 0.30 ) MGS 17.1 119 iPc :10.83 (-1.32 ) S :12.47 (-1.03 ) BCS 22.3 87 iPd :13.39 ( 0.42 ) S :14.30 (-0.80 ) TWB 24.2 49 iPd :11.94 (-1.31 ) S :14.50 (-0.95 ) HWD 26.0 176 eP- :15.72 ( 1.81 ) S :16.82 (-0.05 ) SGS 31.4 320 iPd :14.33 (-0.26 ) S :18.90 ( 0.05 ) CFS 36.0 19 eP+ :14.65 (-0.51 ) TRK 51.5 71 iPd :15.80 (-1.70 ) S :20.95 (-1.23 ) COW 58.9 320 eP+ :18.80 (-0.24 ) NOTE: Fault Plane Solution (strike, dip, rake) Nodal Plane: 100.0 70.0 70.0 Nodal Plane: -33.2 28.0 133.2 P Axis: 205.2 67.5 T Axis: 341.1 30.0 ***** 30 JUNE 1988; 12:57 - STRAWBERRY PLAINS, TENNESSEE ***** *GIT OT= 12:57:31.2 LAT= 36.152N LON= 83.467W DEP= 27.6 KM MDB= 2.1 ERHMAX= 0.4 KM, AZ= -52 DEG; ERHMIN= 0.2 KM; ELLIPSE AREA= 0.2 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 34.0 279 P 12:57:38.39 ( 0.20 ) HPK 44.8 236 P :39.45 (-0.15 ) S 12:57:45.20 (-0.58 ) TKL 61.5 207 P :41.70 (-0.25 ) S :49.80 (-0.04 ) ORT 80.3 252 P :44.83 ( 0.09 ) S :54.81 ( 0.13 ) GBTN 86.3 231 P :45.40 (-0.23 ) S :56.20 (-0.02 ) WSSR 97.5 186 P :47.50 ( 0.17 ) S :59.20 ( 0.03 ) CBTE 110.0 232 P :49.30 ( 0.07 ) TLT 120.1 218 P :51.50 ( 0.72 ) S :58:04.80 (-0.34 ) ETT 128.3 224 P :52.10 ( 0.07 ) S :07.50 ( 0.17 ) TQTN 134.2 238 P :52.90 (-0.04 ) S :09.49 ( 0.60 ) BBG 145.2 193 P :54.60 (-0.02 ) GFM 149.5 92 P :55.40 ( 0.12 ) S :13.10 ( 0.15 ) ----- *CERI OT= 12:57:31.50 LAT= 36.138N LON= 83.461W DEP= 19.5 KM MDB= 1.9 NO= 35, GAP= 132 DEG, RMS= 0.21 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.5 KM, AZ= -28 DEG; ERHMIN= 0.3 KM; ERZ= 1.8 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 34.8 282 iPc 12:57:38.39 ( 0.25 ) iS 12:57:42.75 (-0.24 ) HPKT 44.4 238 iPd :39.45 (-0.06 ) eS :45.20 (-0.16 ) BRTN 58.6 65 ePd :41.50 (-0.17 ) iS :49.27 ( 0.19 ) TKL 60.2 208 iP+ :41.70 (-0.19 ) eS :49.80 ( 0.34 ) ORT 80.1 252 eP- :44.83 (-0.09 ) eS :54.81 ( 0.10 ) GBTN 85.5 233 iP :45.40 (-0.34 ) eS :56.20 ( 0.07 ) WSSR 96.0 186 iP :47.50 ( 0.07 ) eS :59.20 ( 0.15 ) ONTN 96.1 294 iPc :47.23 (-0.15 ) eS :59.43 ( 0.46 ) TLT 118.9 219 eP :51.50 ( 0.65X) eS :58:04.80 (-0.18 ) SLTN 125.1 74 eP+ :51.62 (-0.15 ) eS :07.38 ( 0.82 ) ETT 127.2 225 iP :52.10 (-0.03 ) eS :07.50 ( 0.31 ) TQTN 133.5 239 eP- :52.90 (-0.16 ) eS :09.49 ( 0.70 ) BBG 143.7 193 iP :54.60 (-0.12 ) iS :11.90 ( 0.23 ) GFM 148.9 91 iP :55.40 (-0.15 ) eS :13.10 (-0.01 ) ANTN 159.3 272 eP :56.88 (-0.16 ) iS :16.09 ( 0.40 ) WMTN 168.7 235 eP :58.28 (-0.18 ) iS :19.07 ( 0.93 ) GMG 179.0 218 eP :58:00.00 (-0.10 ) eS :21.00 ( 0.03 ) CPO 199.7 253 eP :02.91 (-0.31 ) eS :27.02 ( 0.64 ) FDKY 221.3 290 iP+ :06.87 ( 0.37X) eS :33.23 ( 1.18X) PDTN 236.4 247 eP+ :08.42 ( 0.03X) eS :36.91 ( 1.59X) ABTN 240.3 264 eP :07.63 (-1.24X) eS :37.77 ( 1.63X) LKGA 248.2 228 eP :10.80 ( 0.93X) eS :39.25 ( 1.38X) ----- *TVA OT= 12:57:31.52 LAT= 36.137N LON= 83.458W DEP= 18.4 KM MDB= 2.2 NO= 38, GAP= 131 DEG, RMS= 0.22 SEC, SDOT= 0.07 SEC, Q= B, SQD= B/B ERHMAX= 0.5 KM, AZ= -28 DEG; ERHMIN= 0.3 KM; ERZ= 1.9 KM; Q= B STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) CRTN 35.1 282 iPc 12:57:38.39 ( 0.25 ) iS 12:57:42.75 (-0.22 ) HPKT 44.5 238 iPd :39.45 (-0.06 ) eS :45.20 (-0.15 ) BRTN 58.4 65 ePd :41.50 (-0.14 ) iS :49.27 ( 0.25 ) TKL 60.3 208 eP+ :41.65 (-0.24 ) iS :49.70 ( 0.24 ) ORT 80.4 252 eP- :44.83 (-0.13 ) eS :54.81 ( 0.05 ) GBTN 85.7 233 iP :45.40 (-0.36 ) eS :56.20 ( 0.04 ) WSSR 95.9 187 iP :47.50 ( 0.08 ) eS :59.20 ( 0.17 ) ONTN 96.4 294 iPc :47.23 (-0.20 ) eS :59.43 ( 0.39 ) TLT 119.0 219 P :51.50 ( 0.62 ) S :58:04.80 (-0.21 ) SLTN 124.9 74 eP+ :51.62 (-0.12 ) eS :07.38 ( 0.88X) ETT 127.4 225 iP :52.10 (-0.06 ) eS :07.50 ( 0.27 ) TQTN 133.6 239 eP- :52.90 (-0.19 ) eS :09.49 ( 0.65 ) BBG 143.7 193 iP :54.60 (-0.13 ) iS :11.90 ( 0.23 ) GFM 148.7 91 iP :55.40 (-0.13 ) eS :13.10 ( 0.05 ) ANTN 159.6 272 eP :56.88 (-0.22 ) iS :16.09 ( 0.32 ) WMTN 168.9 235 eP :58.28 (-0.22 ) iS :19.07 ( 0.89 ) GMG 179.1 218 eP :58:00.00 (-0.12 ) eS :21.00 ( 0.00 ) CPO 200.0 253 eP :02.91 (-0.36 ) eS :27.02 ( 0.58 ) FDKY 221.6 290 iP+ :06.87 ( 0.78 ) eS :33.23 ( 1.90X) PDTN 236.6 247 eP+ :08.42 ( 0.48 ) eS :36.91 ( 2.39X) ABTN 240.6 264 eP :07.63 (-0.80 ) eS :37.77 ( 2.41X) LKGA 248.3 228 eP :10.80 ( 1.39X) eS :39.25 ( 2.18X) HYPOCENTRAL PARAMETERS, MAGNITUDES, AND ARRIVAL TIMES FOR RESERVOIR ACTIVITY: JANUARY THROUGH JUNE 19887 ***** 26 JANUARY 1988; 01:46 - RICHARD B. RUSSELL RESERVOIR, SC ***** *CERI OT= 01:46:25.28 LAT= 34.195N LON= 82.738W DEP= 1.9 KM MDB= 2.6 NO= 29, GAP= 100 DEG, RMS= 0.38 SEC, SDOT= 0.16 SEC, Q= C, SQD= C/B ERHMAX= 1.4 KM, AZ= -35 DEG; ERHMIN= 0.8 KM; ERZ= 3.0 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LDV 7.1 134 P 01:46:26.56 (-0.02 ) S 01:46:27.06 (-0.48 ) BEV 11.7 178 P :27.38 (-0.01 ) S :28.55 (-0.38X) ETG 115.2 210 P :45.00 ( 0.10 ) S :56.90 (-2.33X) BBG 124.1 308 eP :46.80 ( 0.43 ) eS :47:01.10 (-0.67 ) TRYN 127.2 21 eP :47.14 ( 0.32 ) eS :02.55 ( 0.01 ) RBNC 130.9 350 eP- :47.66 ( 0.19 ) eS :03.09 (-0.58 ) BRBC 176.2 13 eP :54.75 ( 0.33 ) eS :15.11 (-0.58 ) BENN 181.1 33 eP+ :55.49 ( 0.42 ) eS :16.40 (-0.42 ) TKL 187.9 330 ePd :56.52 ( 0.46 ) eS :17.90 (-0.64 ) RICH 191.5 358 eP+ :57.18 ( 0.52 ) eS :19.10 (-0.47 ) GMG 192.3 293 eP :57.49 ( 0.69 ) eS :19.30 (-0.51 ) ETT 201.2 309 eP :59.04 ( 0.93 ) eS :22.32 ( 0.24 ) GBTN 211.6 321 iPd :47:00.55 ( 0.87 ) eS :25.08 ( 0.28 ) SMTN 246.0 351 eP :05.00 ( 0.00 ) eS :33.80 (-0.20 ) PKNC 250.9 35 eP :06.02 ( 0.28 ) eS :33.72 (-1.56X) RCG 254.6 291 eP :06.51 ( 0.22 ) eS :35.22 (-1.01 ) BHT 272.4 313 eS :39.59 (-0.55X) CCVA 280.2 343 eS :41.80 ( 0.08X) PLVA 309.4 27 eP :12.86 (-0.28X) ----- *GIT OT= 01:46:25.9 LAT= 34.162N LON= 82.722W DEP= 1.0FXD KM MDB= 2.0 ERHMAX= 0.8 KM, AZ= 36 DEG; ERHMIN= 0.6 KM; ELLIPSE AREA= 1.6 SQ KM STA DIST(KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) LDV 3.9 114 P 01:46:26.56 (-0.02 ) S 01:46:27.06 (-0.03 ) BEV 8.1 188 P :27.38 ( 0.03 ) S :28.55 ( 0.16 ) ETG 113.0 211 P :45.50 (-0.90 ) ***** 18 FEBRUARY 1988; 18:38 - RICHARD B. RUSSELL RESERVOIR, GA ***** *GIT OT= 18:38:59.1 LAT= 33.991N LON= 82.738W DEP= 1.0FXD KM MDB= 1.0 ERHMAX= 2.5 KM, AZ= -10 DEG; ERHMIN= 0.4 KM; ELLIPSE AREA= 3.3 SQ KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) BEV 10.9 2 P 18:39:01.10 ( 0.06 ) S 18:39:02.70 ( 0.28 ) LDV 18.1 16 P :02.20 (-0.14 ) S :04.10 (-0.54 ) ETG 96.4 216 P :16.00 (-0.58 ) ***** 23 FEBRUARY 1988; 13:50 - MONTICELLO RESERVOIR, SOUTH CAROLINA ***** *USC OT= 13:50:30.05 LAT= 34.342N LON= 81.322W DEP= 1.0 KM MDL= 1.4 NO= 6, GAP= 121 DEG, RMS RES= 0.08 SEC, Q= B, SQD= B/B ERH= 0.9 KM, ERZ= 3.0 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MR10 1.6 245 Pu 13:50:30.30 (-0.10 ) MR01 2.7 116 Pd :30.55 (-0.01 ) MR07 3.1 355 Pu :30.70 ( 0.07 ) S 13:50:33.90 ( 2.79X) JSC 9.0 141 Pd :31.45 (-0.10 ) MR02 18.6 153 Pd :33.18 ( 0.05 ) S :35.75 ( 0.10 ) ***** 23 MARCH 1988; 08:27 - KEOWEE RESERVOIR, SOUTH CAROLINA ***** *CERI OT= 08:27:02.16 LAT= 34.800N LON= 82.961W DEP= 16.8 KM MDB= 1.7 NO= 8, GAP= 225 DEG, RMS= 0.42 SEC, SDOT= 0.23 SEC, Q= D, SQD= C/D ERHMAX= 2.2 KM, AZ= -20 DEG; ERHMIN= 0.5 KM; ERZ= 37.6 KM; Q= D STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RBNC 61.8 358 ePd 08:27:13.20 ( 0.32 ) eS 08:27:20.39 (-0.31 ) WSSR 77.3 313 eP :15.94 ( 0.73 ) eS :25.11 ( 0.38 ) BBG 78.2 276 iPd :15.50 ( 0.17 ) iS :24.40 (-0.55 ) TRYN 83.3 51 eP :16.00 (-0.07 ) eS :25.60 (-0.62 ) BENN 145.7 54 eP :29.24 ( 3.62X) eS :44.90 ( 2.15X) ----- *USC OT= 08:27:03.01 LAT= 34.795N LON= 82.930W DEP= 1.2 KM MDL= 1.1 NO= 6, GAP= 198 DEG, RMS RES= 0.06 SEC, Q= D, SQD= C/D ERH= 1.4 KM, ERZ= 5.9 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MMC 2.1 142 S-P 0.25 sec (-0.07 ) SMT 15.5 346 S :07.50 (-0.00 ) BG3 22.0 359 P 08:27:06.72 ( 0.06 ) S :09.25 (-0.04 ) BC 26.4 339 P :07.29 (-0.08 ) S :10.60 ( 0.08 ) ***** 23 MAY 1988; 13:10 - KEOWEE RESERVOIR, SOUTH CAROLINA ***** *USC OT= 13:10:31.05 LAT= 34.804N LON= 82.917W DEP= 2.0 KM MDL= 1.8 NO= 7, GAP= 181 DEG, RMS RES= 0.09 SEC, Q= C, SQD= B/D ERH= 2.4 KM, ERZ= 3.6 KM STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) MMC 2.7 177 iPd 13:10:31.55 (-0.08 ) S 13:10:32.25 ( 0.20 ) SMT 14.9 341 iPu :33.45 (-0.11 ) S :35.25 (-0.12 ) BG3 21.0 356 iPd :34.61 ( 0.07 ) S :37.07 ( 0.01 ) B 25.9 336 iPd :35.43 ( 0.10 ) S :40.18 ( 1.76X) ----- *CERI OT= 13:10:31.25 LAT= 34.837N LON= 82.991W DEP= 5.5 KM MDB= 2.0 NO= 10, GAP= 221 DEG, RMS= 0.07 SEC, SDOT= 0.13 SEC, Q= D, SQD= C/D ERHMAX= 1.0 KM, AZ= -44 DEG; ERHMIN= 0.3 KM; ERZ= 2.8 KM; Q= C STA DIST (KM) AZM PHASE ARRIVAL TIME (RES) PHASE ARRIVAL TIME (RES) RBNC 57.7 0 eP 13:10:41.26 (-0.03 ) eS 13:10:48.62 ( 0.01 ) WSSR 72.5 313 eP :43.90 ( 0.19 ) eS :52.77 (-0.04 ) BBG 75.1 273 iP :44.10 (-0.04 ) eS :53.55 ( 0.00 ) ETT 144.1 293 eP :55.00 (-0.03 ) GMG 153.6 272 eP :56.80 ( 0.27 ) PKNC 213.8 51 eP :11:05.40 (-0.31 ) eS :11:30.45 (-0.41 ) Appendix A. Definitions and Operator Listing 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. NEIS 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), MD, MDB, MDL: 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 BCC - Baptist College at Charleston, SC 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 DGS - Delaware Geological Survey, DE DPC - Duke Power Company, SC DUP - E. I. DuPont de Nemours and Company, Inc., 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 SRL - Savannah River Labs, SC 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 WVU - West Virginia University, WV Appendix B. Seismic Stations Operating During Report Period Stations operating in the SEUSSN during the report period are listed below. A listing of operator codes with their definition may be found at the end of Appendix A. Changes to the network (new stations, stations that have been closed, etc.) may be found at the end of the station listing. 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 6300- GIT Atlanta, GA BAV 37-13.32 80-25.50 622 7200- VTSO Blacksburg, VA BBD 39-20.50 75-40.60 18 - DGS Blackbird, DE 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 32-58.84 80-03.69 12 7603- BCC -USGS Baptist College, SC BENN 35-33.90 81-39.66 878 8201- CERI Benn Knob, NC BEV 34-05.36 82-44.00 158 8006- GIT Clark Hill Res., GA BG3 34-59.58 82-55.90 366 - DPC Lake Jocassee, SC BHT 35-50.82 84-56.70 826 8110- CERI Blowhole, TN BKA 33-38.03 87-58.14 122 8104- GIT -GSA Kennedy, AL BLA 37-12.68 80-25.21 634 6200- 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 7100- USGS Corbin, VA CBT 35-32.36 84-25.24 357 8204- GIT Christianburg, TN 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 33-16.72 80-10.16 26 8805- USC -USGS Pigeon Bay, SC CHF 34-01.48 82-35.20 152 7702- GIT Calhoun Falls, SC CH6 33-53.63 82-31.75 130 7604- GIT Clark Hill Res., GA CNV 38-12.30 77-22.40 70 7807- VTSO Corbin, VA COW 33-23.05 80-42.05 60 7710- USC -USGS Cow Castle Creek, SC CPO5 35-36.23 85-34.41 570 8404- TVA Cumberland Plateau (V5), TN 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 34-46.53 85-00.82 457 8411- GIT Dalton, GA DCT 35-03.25 84-25.16 508 8204- GIT Ducktown, TN DRC 33-06.47 80-23.31 20 8303- USC -USGS Dorchester, SC EP1 33-57.08 82-30.82 134 7700- GIT Clark Hill Res., GA ETG 33-17.47 83-21.04 137 7802- GIT Eatonton, GA ETT 35-19.56 84-27.30 588 8111- CERI Etowah, TN FDKY 36-47.40 85-47.65 306 8703- TVA Freedom, KY 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 GTD 38-44.48 75-24.86 15 - DGS Georgetown, DE HAKY 37-06.34 86-35.10 169 8706- TVA Hadley, KY HBF 32-55.98 80-22.68 10 7303- USC -USGS Harts Bluff, SC HGA 34-15.61 85-50.78 384 8104- GIT -GSA Collinsville, AL HPKT 35-55.56 83-52.74 305 8003- GIT -TVA Knoxville, TN HVA 34-01.58 86-46.15 195 8104- GIT -GSA Hanceville, AL HWD 32-44.35 80-17.00 9 8303- BCC -USGS Hollywood, SC HWV 37-35.43 80-50.45 521 7804- VTSO Hinton, WV IVA 34-16.33 82-44.76 168 8006- GIT Clark Hill Res., GA JSC 34-16.74 81-15.48 120 7405- USC -USGS Jenkinsville, SC LDV 34-08.87 82-41.00 162 8006- GIT Clark Hill Res., GA LEX 37-47.36 79-26.50 311 7105- WAL Lexington, VA LHS 34-28.74 80-48.48 120 7405- USC -USGS Liberty Hill, SC LKGA 34-37.40 85-28.33 655 8512- TVA Lookout Mtn., GA LMTN 35-53.21 83-24.59 610 8403- TVA Little Mtn., TN MGS 32-53.82 80-08.45 9 7603- BCC -USGS Middleton Gardens, SC MLA 32-42.33 87-41.62 55 8104- GIT -GSA Sawyerville, AL 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 - USC -SCEG Monticello Res., SC MR07 34-22.23 81-19.50 134 7807- USC -SCEG Monticello Res., SC MR08 34-24.53 81-24.55 112 7807- USC -SCEG Monticello Res., SC MR10 34-20.18 81-20.25 137 7807- USC -SCEG Monticello Res., SC MR6A 34-17.32 81-18.15 145 - USC -SCEG Monticello Res., SC MR9A 34-17.24 81-19.75 145 - USC -SCEG Monticello Res., SC MSAL 34-50.80 86-40.41 260 8307- TVA Monte Sano, AL MTT 33-45.08 81-38.17 182 7608- USC -USGS Monetta, SC NAV 37-18.94 80-47.61 610 7710- VTSO Narrows, VA NA2 38-07.62 77-44.82 82 7810- VTSO-VP North Anna, VA NA5 38-00.65 77-44.19 76 7808- VTSO-VP North Anna, VA NA12 37-58.98 77-52.77 125 7808- VTSO-VP North Anna, VA NED 39-42.25 75-42.49 47 - DGS Newark, DE OCA 34-36.83 86-26.11 250 8104- GIT -GSA Owens Crossroads, AL ONTN 36-28.89 84-26.60 635 8402- TVA Oneida, TN ORT 35-54.57 84-18.29 370 7500- TVA Oak Ridge, TN PBS 33-16.74 80-15.84 25 7405-8805 USC -USGS Pigeon Bay, SC 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 34-05.00 82-21.80 254 7507- USC -USGS Parsons Mtn., SC PUV 37-01.41 80-48.95 652 7802- VTSO Pulaski, VA 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 RCT 35-20.72 84-39.68 265 8204- GIT Riceville, TN RGR 32-54.33 80-11.63 -52 8606- BCC -USGS (Roger Stewart) SC RHT 35-04.69 84-52.95 299 8204- GIT Red Hill, TN RICH 35-55.20 82-49.20 967 8306- CERI Rich Mtn., NC SGS 33-11.58 80-30.72 25 7303- USC -USGS St. George, SC SHTN 35-27.58 87-07.78 323 8509- TVA Sandy Hook, TN 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 SMTN 36-22.92 83-10.92 768 8210- CERI Short Mtn., TN SRPD 33-09.30 81-42.75 31 7608- DUP Savannah River Lab, SC SRPN 33-19.74 81-35.33 95 7608- DUP Savannah River Lab, SC SRPW 33-12.14 81-34.69 77 7608- DUP Savannah River Lab, SC SVS 32-58.13 80-14.92 3 7603- USC -USGS Slandsville, SC TDA 33-32.50 86-01.48 181 8104- GIT -GSA Talladega, AL TKL 35-39.48 83-46.44 350 7800- CERI-TVA Tuckaleechee Caverns, TN TLT 35-18.07 84-17.00 512 8204- GIT Tellico Plains, TN TQTN 35-30.96 84-43.55 260 8607- TVA Tranquillity, TN TRK 33-07.33 79-46.66 10 8303- USC -USGS Turkey Creek, SC TRYN 35-14.76 82-16.02 915 8303- CERI Tryon Peak, NC TSA 33-15.37 87-04.05 180 8104- GIT -GSA Tannehill State Park, AL TVG 34-22.63 85-18.14 323 7905- GIT Rocky Mtn. Net, GA TWB 33-06.90 80-06.15 9 8803- BCC -USGS Mt. Zion Church, SC VBV 36-47.12 76-06.48 5 7705- TCC Virginia Beach, VA VEW 32-43.06 79-56.49 -58 8107- USC -USGS Oceanview, SC VRN 33-02.25 80-56.50 30 7912- USC -USGS Varneville, SC VWV 37-27.96 80-23.50 963 8207- VTSO VA-WV Border WAS 32-50.86 80-16.32 9 8303- BCC -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 Sta. Code Operator Locality Change CFS USC -USGS Pigeon Bay, SC Opened, May 1988 PBS USC -USGS Pigeon Bay, SC Closed, May 1988 TWB BCC -USGS Mt. Zion Church, SC Opened, March 1988 FIGURE 8. Seismic Stations (Open Triangles) Operating in the SEUSSN from January through June 1988. The SEUSSN monitoring area is outlined. FIGURE 9. Georgia Tech - Geological Survey Of Alabama Seismic Network. FIGURE 10. South Carolina Seismic Network. FIGURE 11. Center for Earthquake Research and Information - Southern Appalachian Regional Seismic Network. FIGURE 12. Tennessee Valley Authority Seismic Network. FIGURE 13. Virginia Tech Seismic Network. Appendix C. Errata and Addenda *VTSO For the southeastern Tennessee earthquake of 11 July 1987 at 00:04 an mb(Lg) of 3.7 (five stations) was determined. *VTSO A magnitude of mb(Lg) = 3.2 (five stations) was computed for the southeastern Tennessee earthquake on 11 July 1987 at 2:48. *VTSO The following two Tennessee earthquakes (see SEUSSN Bulletin 21, pp. 53-54) are outside the SEUSSN monitoring area: Date: 1987 11 29 Origin Time: 04:08 Date: 1987 11 29 Origin Time: 17:38 MAILING LIST