BULLETIN NO 6 TABLE 2 LIST OF LOCATED SOUTHEASTERN UNITED STATES EARTHQUAKES FOR THE TIME PERIOD 1 JANUARY 1980 THROUGH 30 JUNE 1980 24 JANUARY 1980 TELICO PLAINS, TENNESSEE M= 2.0 (GIT) *GIT LAT= 35.5584N LONG= 84.2653W H= 04-12-08.3 DPTH= 6.5 KM STA P TIME S TIME TVG 04-12-36.2 04-12-54.3 CDG 04-12-27.4 04-12-40.3 REG 04-13-18.9 CH5 04-13-24.3 TKL 04-12-17.2 04-12-23.0 ORT 04-12-15.7 04-12-21.0 23 MARCH 1980 KENTUCKY MBN= 3.3 (SLM) *USGS LAT= 37.630N LONG= 86.690W H= 21-38-15.0 DPTH= 6.0 KM (FELT INTENSITY IV - SEE PDE NO. 12-80, EDR NO. 3-80, PART 2) STA P TIME DIST (DEG) AZ (DEG) RES (SEC) CIRL 21-38-36.1 1.13 264 -0.5 NHIL 21-38-37.2 1.21 285 -0.7 BPIL 21-38-43.7 1.61 291 -0.3 WCK 21-38-47.3 1.88 249 -0.6 ELC 21-38-47.4 2.05 261 -3.0 CRU 21-38-51.2 2.13 242 -0.4 GRT 21-38-56.9 2.58 239 -1.1 LST 21-38-58.1 2.66 247 -1.0 ORT 21-38-58.5 2.57 131 0.6 NKT 21-39-02.1 2.91 233 -0.5 RMB 21-39-02.4 2.96 257 -1.0 FVM 21-39-03.1 2.98 278 -0.6 TKL 21-39-04.7 3.06 129 -0.1 OKG 21-39-05.6 3.22 233 -1.5 TYS 21-39-05.7 3.19 287 -0.9 PGA 21-39-10.8 3.52 245 -0.5 POW 21-39-15.2 3.89 249 -1.5 WLA 21-39-18.1 4.06 234 -0.9 LGAR 21-39-22.0 4.37 228 -1.5 HWV 21-39-25.8 4.64 89 -1.6 PRM 21-39-29.5 4.99 134 -2.7 BLA 21-39-33.0 5.01 93 0.5 LHS 21-39-37.7 5.71 122 -4.7 10 JUNE 1980 NORTH CAROLINA MBN= 3.0 (BLA) *USGS LAT= 35.447N LONG= 82.879W H= 23-47-32.7 DPTH= 5.0 KM, FXD STA P TIME DIST (DEG) AZ (DEG) RES (SEC) TKL 23-47-47.9 0.760 286 -0.0 ORT 23-47-55.8 1.250 292 -0.6 PRM 23-47-58.2 1.425 162 -1.1 CH6 23-48-02.3 1.592 169 0.7 CH5 23-48-02.8 1.770 165 -1.4 JSC 23-48-04.0 1.770 131 -0.2 CDG 23-48-06.2 1.691 241 3.1X GBG 23-48-08.0 1.963 188 1.0 REG 23-48-09.0 2.036 191 1.0 NAV 23-48-15.2 2.513 41 0.3 BLA 23-48-16.8 2.653 48 -0.1 HWV 23-48-18.0 2.696 37 0.4 BV2 23-48-34.0 3.584 41 3.9X GHV 23-48-43.0 4.496 57 -0.0 FRV 23-48-45.5 4.048 63 8.8X NA2 23-48-58.5 4.911 56 9.5X *VPI LAT= 35.273N LONG= 82.794W H= 23-47-31.6 DPTH= 10.0 KM, FXD (NO= 11, GAP= 181, RMS= 0.38, ERH= 17, ERZ= 20, Q= D) STA P TIME S TIME DIST (KM) AZ (DEG) RES (SEC) PRM 23-47-58.35 138.1 163 4.65X ORT 23-47-56.20 23-48-15.5 154.1 297 0.05 LHS 23-48-03.95 23-48-26.2 201.7 116 0.50 PUV 23-48-12.20 23-48-45.4 263.5 43 -0.15 NAV 23-48-15.30 23-48-50.0 289.2 38 -0.19 BLA 23-48-17.45 23-48-54.8 303.0 45 0.27 HWV 23-48-17.70 23-48-55.4 311.1 34 -0.47 BV2 23-48-34.0 23-49-19.4 408.6 39 3.92X BV1 23-48-34.8 23-49-25.1 426.9 41 2.47X FRV 23-48-36.7 23-49-27.0 452.7 62 1.23X CVL 23-48-41.0 23-49-31.2 490.5 52 0.90 GHV 23-48-43.0 23-49-32.8 504.5 56 1.19X PBV 23-48-41.0 23-49-34.7 510.4 68 -1.53X NA12 23-48-46.0 23-49-57.9 532.7 56 0.74 NA2 23-48-58.5 23-50-03.9 551.1 55 11.00X The Georgia Institute of Technology hypocenter for this event: *GIT LAT= 35.4650N LONG= 82.8197W H= 23-47-33.0 DPTH= 17.8 KM MAGN= 2.2 Additional Arrival Times: STA P TIME S TIME CH5 23-48-05.4 23-48-29.1 TKL 23-47-48.0 23-47-58.7 CH6 23-48-01.5 23-48-24.0 CDG 23-48-05.7 23-48-31.0 GBG 23-48-06.2 23-48-31.0 BEJ 23-48-21.0 23-48-58.6 REG 23-48-11.0 23-48-30.1 JSC 23-48-02.0 PRM 23-47-56.2 ORT 23-47-55.8 25 JUNE 1980 TENNESSEE MBN= 3.3 (BLA) *USGS LAT= 35.779N LONG= 84.046W H= 18-02-01.5 DPTH= 5.0 KM, FXD (NO= 23, STD DEV RES= 0.9 SEC, PDE NO. 26-80) (FELT in MARYVILLE, TENNESSEE, AREA) STA P TIME DIST (DEG) AZ (DEG) RES (SEC) ORT 18-02-07.6 0.248 302 1.0 PRM 18-02-39.0 2.184 140 -0.0 CH6 18-02-39.3 2.273 146 -1.0 REG 18-02-42.3 2.403 166 0.2 ETG 18-02-44.0 2.547 167 -0.2 CH5 18-02-44.9 2.484 145 1.6 JSC 18-02-46.3 2.733 122 -0.5 LHS 18-02-49.5 2.953 115 -0.4 PWV 18-02-49.6 2.869 56 0.7 PUV 18-02-49.8 2.888 64 0.7 NAV 18-02-51.5 3.036 59 0.4 HWV 18-02-54.0 3.147 54 1.3 BLA 18-02-54.7 3.252 63 0.5 PWLA 18-02-57.3 3.378 258 1.3 BV2 18-03-05.4 4.057 53 -0.2 BV1 18-03-08.0 4.249 54 -0.4 ELC 18-03-09.5 4.435 291 -1.5 FRV 18-03-15.0 4.797 71 -1.2 SFTN 18-03-17.6 4.887 267 0.2 CVL 18-03-18.5 4.987 62 -0.3 GHV 18-03-21.3 5.173 65 -0.1 NA12 18-03-24.2 5.410 64 -0.6 FVM 18-03-25.6 5.568 295 -1.5 NA2 18-03-38.5 5.562 63 11.5X *TEIC REPORT. Felt from Greenback, Tennessee, 40 km to Knoxville, Tennessee: One or two instances slight damage southeast of Maryville, Tennessee; Some people ran outside, some children frightened. Implies a maximum intensity of V. Portable seismograph installed within 2.5 hours after main shock on campus of Maryville College and operated until 2116 UTC on 26 June 1980. No aftershocks recorded. The Georgia Institute of Technology hypocenter for this event: *GIT LAT= 35.5975N LONG= 84.0171W H= 18-02-03.6 DPTH= 6.5 KM, FXD STA P TIME S TIME SMG 18-02-32.8 18-02-54.5 TVG 18-02-32.2 18-02-53.5 ETG 18-02-43.7 18-02-12.5 18-02-45.6 18-02-18.0 REG 18-02-41.7 18-03-09.9 18-02-43.3 18-03-14.3 CH5 18-02-43.4 18-03-17.5 18-02-45.0 CH6 18-02-39.9 18-03-10.2 18-02-41.1 PRM 18-02-39.2 SFT 18-03-18.1 18-04-12.3 RMG 18-02-32.6 18-02-54.6 PWL 18-02-57.3 18-03-39.0 18-03-03.1 18-03-44.0 LDV 18-02-36.2 18-03-01.8 BEJ 18-03-04.5 18-04-04.3 *VPI ARRIVAL TIMES ORT 18-02-07.6 HPK 18-02-07.1 18-02-10.5 PRM 18-02-42.8 NAV 18-02-51.4 18-03-30.0 HWV 18-02-53.1 LHS 18-02-54.5 BLA 18-02-55.2 18-03-45.4 BV2 18-03-05.4 18-04-02.5 BV1 18-03-08.0 18-04-10.5 FRV 18-03-15.0 18-04-28.9 NA2 18-03-38.5 18-04-51.5 Following is a listing of hypocenters for Virginia earthquakes. These hypocenters were determined at the Virginia Tech Seismological Observatory using HYPOELLIPSE and arrival time data from the Virginia network. The magnitudes (MLD) are provisional duration magnitudes--revised calculations will be reported in a future Bulletin. In the listing below, the hypocentral parameters and MLD are given first and then followed by a separate table for the various solution quality measures. DATE ORIGIN LAT N LONG W DPTH (YR-MO-DAY) (UTC) (DEG) (DEG) (KM) MLD 800106 13-50-55.7 36.631 81.567 3.6 1.2 800218 03-58-55.3 37.430 80.592 13.0 0.3 800410 22-33-15.7 37.487 81.086 5.0 0.5 800422 03-14-04.6 36.398 80.608 0.5 2.5 800426 03-59-54.8 37.772 77.582 0.6 2.4 800518 03-31-19.9 37.581 77.938 28.5 1.6 800518 22-33-55.4 37.970 78.068 5.6 0.7 DATE HOR SEMI-AXES VERT SEMI-AXIS (YR-MO-DAY) (KM, DEG) (KM, DEG) (KM) Q 800106 4.1, 43 6.6, - 47 3.2 C 800218 1.2, - 41 1.7, -131 3.6 B 800410 2.1, 38 14.8, - 52 13.9 D 800422 1.7, 13 2.8, - 77 6.4 C 800426 0.8, 35 1.4, - 55 2.2 A 800518 2.5, 13 4.4, - 77 12.2 D 800518 2.1, -124 4.7, - 34 18.3 D Following is a listing of preliminary hypocenters for South Carolina earthquakes. These hypocenters were calculated by the USGS (Branch of Earthquake Tectonics and Risk, Golden, Colorado) using HYPOELLIPSE and arrival time data from their South Carolina seismic network. Some of these events may be blasts. The duration magnitudes were calculated using MLD= -0.87+ 2 LOG D+ 0.0035R where D= duration in seconds and R= epicentral distance in kilometers. A full report of these earthquakes will be published by the USGS at a later date. In the listing below, the hypocentral parameters and MLD are given first. Then separate tables give the various solution quality measures. DATE ORIGIN LAT N LONG W DPTH (YR-MO-DAY) (UTC) (DEG) (DEG) (KM) MLD 800102 19-39-30.0 34.083 82.618 1.3 2.1 800107 21-44-56.8 34.029 82.573 1.4 2.0 800109 21-36-52.4 33.861 82.062 3.0 2.0 800117 21-08-35.7 34.560 82.257 0.8 2.0 800125 17-13-53.9 34.775 82.591 0.7 2.0 800204 22-08-57.1 33.977 82.056 5.0 800206 20-44-02.7 34.017 82.660 5.0 2.1 800213 17-03-14.6 33.854 82.519 12.1 800216 20-47-39.6 34.021 82.740 1.9 2.0 800229 21-18-33.4 33.450 82.811 10.8 2.2 800306 16-40-46.4 34.029 82.830 8.3 1.9 800306 22-16-07.9 33.672 82.036 18.6 2.4 800307 17-32-05.6 33.638 82.226 6.3 1.9 800310 22-11-30.6 34.340 81.326 4.1 2.3 800315 20-40-04.1 33.698 82.605 4.9 2.0 800318 23-07-20.6 34.038 82.061 3.5 1.8 800320 17-22-13.3 34.031 82.571 1.3 1.4 800322 18-38-54.8 34.021 82.646 2.1 800327 17-23-48.7 34.030 82.670 2.9 1.9 800407 22-14-33.6 34.322 82.144 4.8 1.9 800409 20-47-24.0 34.848 79.941 2.8 800418 22-16-00.0 34.014 82.058 4.4 1.8 800423 20-48-55.2 34.024 82.591 3.4 2.0 800424 06-16-56.6 34.346 81.345 3.8 3.0 800502 13-41-31.5 34.029 82.611 3.0 2.0 800506 16-24-32.0 34.020 82.640 5.0 2.0 800508 21-13-22.1 34.406 82.181 3.7 2.0 800509 15-41-40.7 35.015 81.906 24.7 800529 17-43-43.8 34.050 82.842 5.1 1.9 800529 19-51-02.3 34.028 82.646 7.2 1.9 800604 19-53-02.1 34.096 82.668 6.9 1.7 800605 15-50-43.1 34.758 82.580 1.0 1.5 800622 20-33-06.2 33.012 80.158 0.2 2.1 800622 23-35-26.5 33.015 80.158 0.3 1.6 DATE GAP RMS D MIN (YR-MO-DAY) NO (DEG) (SEC) (KM) Q 800102 5 284 1.34 98 D 800107 5 183 0.46 D 800109 5 231 0.67 87 D 800117 4 247 0.57 97 D 800125 7 282 0.35 D 800204 3 211 81 D 800206 3 352 0.25 D 800213 5 274 0.14 D 800216 6 328 0.22 D 800229 5 321 0.84 D 800306 6 344 0.20 D 800306 5 231 1.12 64 D 800307 5 268 1.66 D 800310 6 179 0.23 D 800315 7 276 1.90 90 D 800318 6 198 0.13 79 D 800320 6 189 0.26 D 800322 4 348 0.24 D 800327 4 344 0.21 D 800407 4 236 0.19 82 D 800409 5 353 D 800418 5 203 0.38 79 D 800423 5 350 0.44 D 800424 10 181 0.34 71 D 800505 4 334 0.07 D 800506 3 351 0.11 D 800508 5 238 0.36 86 D 800509 4 278 0.96 D 800529 5 343 0.20 D 800529 5 343 0.31 D 800604 5 305 0.72 D 800605 4 296 0.05 D 800622 15 115 0.17 C 800622 12 117 0.18 C DATE ERROR ELLIPSOID AXES (YR-MO-DAY) A(KM)-TR-PL B(KM)-TR-PL C(KM)-TR-PL 800102 3.2 36 14 17.8 301 20 9.9 159 65 800107 57.4 341 5 1.9 73 15 8.8 234 74 800109 1.9 85 3 11.5 353 20 34.2 183 69 800117 2.7 241 0 19.0 331 0 99.9 90 89 800125 21.2 319 18 8.9 214 39 4.2 69 45 800204 2.3 84 1 18.3 175 6 345 83 800206 270 12 99.9 176 17 10.3 34 68 800213 3.2 113 19 5.5 209 19 99.9 341 62 800216 14.4 16 18 7.1 271 36 16.8 128 48 800229 31.8 29 1 43.1 298 32 8.3 121 57 800306 40.8 182 9 9.3 89 21 5.0 293 67 800306 3.0 101 6 7.5 193 14 38.4 349 74 800307 6.6 207 9 3.3 115 11 12.3 335 75 800310 1.5 256 1 4.2 346 10 99.9 160 79 800315 21.9 123 1 65.6 214 10 99.9 27 79 800318 1.0 260 0 13.6 350 0 90 90 800320 41.1 159 1 1.0 69 4 6.5 263 85 800322 42.3 218 14 19.7 311 15 99.9 86 69 800327 11.9 273 13 99.9 178 24 5.8 30 62 800407 2.2 70 1 8.6 160 1 99.9 295 88 800409 99.9 135 7 99.9 43 22 4.5 241 66 800418 2.0 84 1 25.8 174 5 99.9 343 84 800423 72.2 171 4 11.6 263 32 2.4 74 57 800424 3.2 342 0 2.0 252 1 78.4 72 88 800502 11.0 83 1 99.9 173 18 2.8 350 71 800506 99.9 180 16 99.9 275 16 7.5 47 67 800508 2.0 254 0 9.2 344 0 99.9 90 90 800509 6.0 253 0 29.2 343 0 99.9 90 89 800529 6.6 279 6 13.7 11 14 99.9 166 74 800529 7.4 262 14 93.6 168 16 4.1 32 68 800604 7.8 281 13 3.6 18 27 99.9 167 59 800605 28.5 310 27 7.1 205 29 3.8 76 48 TR= Trend of semi-axis in degrees PL= Plunge of semi-axis in degrees DATE HOR SEMI-AXES VERT SEMI-AXIS (YR-MO-DAY) (KM, DEG) (KM, DEG) (KM) Q 800622 0.82, -42 1.03, -132 8.53 C 800622 0.93, -32 1.16, -122 9.86 C Following is a listing of earthquake hypocenters (MLD ge 2.0) in the vicinity of Lake Jocassee and Monticello Reservoir, South Carolina. These hypocenters were determined at the University of South Carolina using HYPO71 and data from their portable and semi-permanent seismograph stations located in the epicentral areas. The magnitudes were calculated using MLD= -1.83+ 2.04 Log D (sec). DATE ORIGIN LAT N LONG W DPTH (YR-MO-DAY) (UTC) (DEG) (DEG) (KM) MLD JOCASSEE EVENTS 800430 02-00-42.8 34.928 82.934 0.32 2.2 800430 03-24-48.2 34.967 82.940 1.00 2.1 800430 03-52-22.4 34.967 82.933 0.87 2.0 800430 13-58-08.9 34.967 82.933 1.13 2.2 800504 08-18-01.4 34.967 82.938 1.61 2.2 800523 20-22-01.6 34.946 82.954 1.00 2.4 MONTICELLO EVENTS 800310 22-11-31.4 34.328 81.322 1.79 2.2 800424 06-16-57.2 34.329 81.324 2.71 2.4 800519 11-24-19.9 34.312 81.330 0.74 2.0 DATE GAP RMS ERH ERZ (YR-MO-DAY) NO (DEG) (SEC) (KM) (KM) Q JOCASSEE EVENTS 800430 4 273 0.16 C 800430 3 201 0.02 C 800430 6 219 0.04 1.0 1.4 C 800430 4 219 0.06 C 800504 8 115 0.08 0.5 0.7 B 800523 4 157 0.16 C MONTICELLO EVENTS 800310 5 131 0.07 1.1 2.6 C 800424 7 122 0.02 0.2 0.4 B 800519 6 146 0.05 0.5 1.8 B Following is a listing of microearthquake (M ge -0.5) hypocenters determined at the Georgia Institute of Technology. LAKE OCONEE AREA DATE ORIGIN LAT N LONG W (YR-MO-DAY) (UTC) (DEG) (DEG) MLD 800318 07-23-03.3 33.4013 83.1949 -0.3 800424 20-13-21.5 33.3919 83.1886 0.0 800501 08-08-49.2 33.3930 83.1920 0.0 800502 09-56-43.3 33.4017 83.1889 -0.2 800502 10-24-59.2 33.4044 83.1911 0.0 800502 10-30-47.6 33.3984 83.1924 0.0 800502 16-14-40.5 33.4000 83.1906 0.1 800502 17-35-02.5 33.3978 83.1905 0.0 800503 10-30-32.5 33.3994 83.1888 0.0 800503 10-54-49.8 33.4006 83.1926 -0.1 800505 18-17-05.4 33.4000 83.1906 -0.3 LAKE SINCLAIR AREA 800109 06-51-38.4 33.1805 83.3171 -0.5 800113 08-03-34.3 33.2956 82.9179 0.2 800119 08-25-12.3 33.2615 83.4511 -0.3 800205 14-53-02.7 33.1968 83.3099 0.5 800330 18-16-01.8 33.2130 83.2806 -0.5 800427 01-20-56.4 33.1870 83.3230 0.1