U.S. DEPARTMENT OF THE INTERIOR NO. 8-01-EXP GEOLOGICAL SURVEY SEP 22, 2001 ROUTINE MINING SEISMICITY IN THE UNITED STATES AUGUST 2001 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG MB Msz USED 01 20 21 34.3 33.137 N 109.418 W 0 G 0.5 169 8 EASTERN ARIZONA. ML 2.7 (GS). 25 miles NE of Safford. 02 00 11 02.4? 33.06 N 109.28 W 0 G 1.3 176 6 EASTERN ARIZONA. ML 2.5 (GS). 30 miles ENE of Safford. 02 18 01 53.0 43.938 N 105.491 W 0 G 0.5 146 10 WYOMING. ML 2.9 (GS). 25 miles S of Gillette. 02 20 03 13.4 43.856 N 105.490 W 0 G 0.4 141 9 WYOMING. ML 3.2 (GS). 30 miles S of Gillette. 03 17 59 58.7 43.660 N 105.383 W 0 G 0.9 121 10 WYOMING. ML 3.0 (GS). 45 miles S of Gillette. 03 19 58 29.7 43.821 N 105.385 W 0 G 0.6 138 7 WYOMING. ML 3.0 (GS). 35 miles S of Gillette. 03 23 36 47.1 33.082 N 109.378 W 0 G 0.5 173 10 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 04 18 05 27.2 43.839 N 105.450 W 0 G 0.8 139 9 WYOMING. ML 2.8 (GS). 30 miles S of Gillette. 04 19 00 08.1* 43.722 N 105.298 W 0 G 0.8 174 7 WYOMING. ML 2.9 (GS). 40 miles SSE of Gillette. 06 22 21 01.7* 33.165 N 109.440 W 0 G 0.9 170 8 EASTERN ARIZONA. ML 2.7 (GS). 30 miles NE of Safford. 07 18 12 42.9 40.312 N 107.798 W 0 G 0.7 71 15 COLORADO. ML 2.6 (GS). 20 miles SW of Craig. 08 16 26 31.8 41.587 N 108.964 W 0 G 0.9 73 15 WYOMING. ML 2.3 (GS). 15 miles E of Rock Springs. 08 18 44 10.1 32.938 N 109.246 W 0 G 0.2 184 8 EASTERN ARIZONA. ML 2.5 (GS). 30 miles ENE of Safford. 08 21 09 27.5 33.052 N 109.346 W 0 G 0.4 175 9 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 09 20 06 21.2 43.711 N 105.426 W 0 G 0.5 131 7 WYOMING. ML 2.9 (GS). 40 miles S of Gillette. 10 05 12 06.4 38.945 N 107.478 W 1 G 0.8 142 6 COLORADO. ML 2.5 (GS). Possible collapse in a mine near Somerset? 10 18 20 59.9 43.663 N 105.235 W 0 G 0.7 124 10 WYOMING. ML 3.0 (GS). 45 miles SSE of Gillette. 11 22 08 19.3 40.322 N 107.764 W 0 G 0.6 133 14 COLORADO. ML 2.6 (GS). 15 miles SW of Craig. 12 18 00 31.7 43.730 N 105.245 W 0 G 0.8 123 9 WYOMING. ML 3.3 (GS). 40 miles SSE of Gillette. 13 18 01 56.0 43.736 N 105.298 W 0 G 1.2 138 14 WYOMING. ML 3.1 (GS). 40 miles SSE of Gillette. 13 20 03 20.1 43.798 N 105.315 W 0 G 0.7 128 15 WYOMING. ML 3.0 (GS). 35 miles SSE of Gillette. 13 20 38 43.2 33.303 N 109.536 W 0 G 0.8 157 8 EASTERN ARIZONA. ML 2.9 (GS). 35 miles NNE of Safford. 13 21 54 38.3 33.196 N 109.460 W 0 G 0.8 164 9 EASTERN ARIZONA. ML 2.8 (GS). 30 miles NNE of Safford. 14 20 21 28.8* 44.060 N 105.424 W 0 G 1.2 145 9 WYOMING. ML 3.1 (GS). 15 miles S of Gillette. 15 18 30 40.9 33.162 N 109.437 W 0 G 0.4 167 7 EASTERN ARIZONA. ML 2.5 (GS). 30 miles NE of Safford. 15 20 44 14.5 44.147 N 105.445 W 0 G 0.5 158 10 WYOMING. ML 3.1 (GS). 10 miles SSE of Gillette. 15 22 06 53.4 40.302 N 107.790 W 0 G 0.6 134 15 COLORADO. ML 2.9 (GS). 20 miles SW of Craig. 16 18 43 45.6 33.017 N 109.319 W 0 G 0.5 178 8 EASTERN ARIZONA. ML 2.7 (GS). 25 miles ENE of Safford. 17 18 17 07.2 43.692 N 105.254 W 0 G 0.6 126 11 WYOMING. ML 2.8 (GS). 40 miles SSE of Gillette. 17 20 28 25.0* 36.644 N 108.485 W 0 G 1.0 113 7 NEW MEXICO. ML 3.0 (GS). 15 miles WSW of Farmington. 17 22 40 59.0* 33.003 N 109.311 W 0 G 0.3 179 7 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 18 13 57 50.7 40.273 N 107.855 W 0 G 0.8 71 19 COLORADO. ML 3.3 (GS). 20 miles SW of Craig. 18 20 05 46.4 43.728 N 105.288 W 0 G 0.8 130 11 WYOMING. ML 3.1 (GS). 40 miles SSE of Gillette. 18 22 05 38.1 40.289 N 107.790 W 0 G 0.9 98 11 COLORADO. ML 2.4 (GS). 20 miles SW of Craig. 19 21 42 54.1 46.744 N 122.784 W 0 G 0.4 203 9 WASHINGTON. MD 2.9 (GS). 10 miles ENE of Centralia. 20 21 22 12.6* 33.071 N 109.337 W 0 G 0.2 187 6 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 21 17 12 10.7 36.655 N 108.462 W 0 G 0.6 114 8 NEW MEXICO. ML 2.4 (GS). 15 miles WSW of Farmington. 21 18 04 25.3 44.000 N 105.574 W 0 G 0.7 148 10 WYOMING. ML 3.1 (GS). 20 miles S of Gillette. 21 18 41 46.2* 33.214 N 109.436 W 0 G 0.5 164 7 EASTERN ARIZONA. ML 2.5 (GS). 30 miles NNE of Safford. 22 16 00 11.4 35.507 N 107.638 W 0 G 0.6 120 14 NEW MEXICO. ML 2.8 (GS). 30 miles NNE of Grants. 22 18 00 24.6 43.733 N 105.271 W 0 G 0.6 131 11 WYOMING. ML 3.0 (GS). 40 miles SSE of Gillette. 22 19 04 56.2 33.031 N 109.346 W 0 G 0.4 176 9 EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford. 22 20 13 42.5 36.404 N 110.250 W 0 G 0.7 139 9 EASTERN ARIZONA. ML 2.7 (GS). 20 miles S of Kayenta. 22 21 07 43.4 43.508 N 105.221 W 0 G 0.4 170 10 WYOMING. ML 2.8 (GS). 50 miles N of Douglas. 22 21 14 39.6 33.038 N 109.324 W 0 G 0.4 176 10 EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford. 22 21 18 33.3 41.783 N 108.613 W 0 G 0.8 114 17 WYOMING. ML 2.7 (GS). 35 miles ENE of Rock Springs. 22 22 20 23.8 32.996 N 109.323 W 0 G 0.5 179 7 EASTERN ARIZONA. ML 2.5 (GS). 25 miles ENE of Safford. 23 17 18 01.6* 45.262 N 106.922 W 0 G 1.0 196 6 MONTANA. ML 2.5 (GS). 35 miles N of Sheridan, Wyoming. 23 17 51 52.5* 43.259 N 104.915 W 0 G 1.0 191 7 WYOMING. ML 2.8 (GS). 40 miles NE of Douglas. 23 18 35 54.0 41.806 N 108.739 W 0 G 1.2 112 25 WYOMING. ML 3.3 (GS). 30 miles ENE of Rock Springs. 23 18 48 16.2 41.620 N 108.655 W 0 G 0.7 79 20 WYOMING. ML 3.3 (GS). 30 miles E of Rock Springs. 23 20 06 32.0* 43.224 N 106.218 W 0 G 0.7 249 10 WYOMING. ML 2.6 (GS). 15 miles SSE of Midwest. 23 20 37 02.2 33.053 N 109.328 W 0 G 0.3 175 8 EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford. 24 14 38 37.7* 38.832 N 107.456 W 0 G 0.7 244 6 COLORADO. ML 2.5 (GS). 35 miles NE of Montrose. 24 21 56 05.6 32.997 N 109.280 W 0 G 0.7 180 8 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 24 22 52 31.6* 33.047 N 109.357 W 0 G 0.4 175 7 EASTERN ARIZONA. ML 2.2 (GS). 25 miles NE of Safford. 25 00 52 53.1 36.432 N 110.297 W 0 G 0.7 66 17 EASTERN ARIZONA. ML 2.5 (GS). 20 miles S of Kayenta. 25 20 01 21.6 43.836 N 105.338 W 0 G 0.6 137 16 WYOMING. ML 2.9 (GS). 30 miles SSE of Gillette. 25 20 32 29.6 41.856 N 108.510 W 0 G 0.7 90 12 WYOMING. ML 2.3 (GS). 40 miles ENE of Rock Springs. 26 16 37 38.8 40.290 N 107.797 W 0 G 0.8 134 13 COLORADO. ML 2.5 (GS). 20 miles SW of Craig. 27 22 04 12.9 40.257 N 107.813 W 0 G 0.6 147 10 COLORADO. ML 2.2 (GS). 20 miles SW of Craig. 28 18 52 19.0 33.054 N 109.315 W 0 G 0.5 113 9 EASTERN ARIZONA. ML 2.7 (GS). 25 miles ENE of Safford. 28 19 05 44.4 36.662 N 108.606 W 0 G 0.9 120 11 NEW MEXICO. ML 2.4 (GS). 25 miles W of Farmington. 28 19 30 41.9 33.010 N 109.325 W 0 G 0.3 178 8 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 29 18 17 58.5 33.053 N 109.356 W 0 G 0.5 175 8 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 29 21 45 53.6* 46.749 N 122.761 W 0 G 0.1 191 5 WASHINGTON. MD 3.3 (GS). 10 miles ENE of Centralia. 30 18 55 00.2 32.963 N 109.276 W 0 G 0.5 182 7 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 30 18 58 50.5 36.523 N 108.527 W 0 G 0.6 111 9 NEW MEXICO. ML 2.1 (GS). 20 miles SW of Farmington. 30 19 53 30.0 43.593 N 105.265 W 0 G 0.7 125 14 WYOMING. ML 3.2 (GS). 50 miles SSE of Gillette. 31 00 34 19.4 33.094 N 109.391 W 0 G 0.6 172 8 EASTERN ARIZONA. ML 2.6 (GS). 25 miles NE of Safford. 31 21 12 43.2 33.033 N 109.332 W 0 G 0.4 176 8 EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford. 31 21 21 52.0 36.859 N 108.408 W 0 G 0.4 117 11 NEW MEXICO. ML 2.5 (GS). 15 miles NW of Farmington.