U.S. DEPARTMENT OF THE INTERIOR NO. 3-01-EXP GEOLOGICAL SURVEY APR 26, 2001 ROUTINE MINING SEISMICITY IN THE UNITED STATES MARCH 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 21 00 29.9* 45.218 N 106.496 W 0 G 0.7 239 16 MONTANA. ML 3.3 (GS). 35 miles NE of Sheridan, Wyoming. 01 21 08 44.4? 33.28 N 109.26 W 0 G 0.2 219 6 EASTERN ARIZONA. ML 3.0 (GS). 40 miles NE of Safford. 01 22 20 41.8 46.789 N 122.762 W 0 G 0.6 139 8 WASHINGTON. MD 2.7 (GS). 10 miles ENE of Centralia. 02 23 07 15.9 40.340 N 107.793 W 0 G 0.6 135 14 COLORADO. ML 2.4 (GS). 15 miles SW of Craig. 03 20 03 15.3 43.543 N 105.124 W 0 G 1.0 127 18 WYOMING. ML 3.4 (GS). 50 miles WSW of Newcastle. 04 23 02 27.0 41.596 N 108.758 W 0 G 0.7 147 22 WYOMING. ML 3.0 (GS). 25 miles E of Rock Springs. 05 23 09 54.3 41.906 N 108.737 W 0 G 0.8 88 12 WYOMING. ML 2.2 (GS). 35 miles NE of Rock Springs. 06 19 00 59.2 40.293 N 107.810 W 0 G 0.7 71 21 COLORADO. ML 3.2 (GS). 20 miles SW of Craig. 06 19 43 41.1 41.708 N 108.734 W 0 G 0.6 157 10 WYOMING. ML 2.2 (GS). 25 miles ENE of Rock Springs. 06 21 08 06.8 36.452 N 110.439 W 0 G 0.7 91 11 EASTERN ARIZONA. ML 2.3 (GS). 20 miles SSW of Kayenta. 06 21 27 10.8* 33.104 N 109.227 W 0 G 0.2 175 6 EASTERN ARIZONA. ML 2.7 (GS). 35 miles NE of Safford. 06 21 46 40.0* 43.824 N 105.305 W 0 G 0.9 149 11 WYOMING. ML 2.7 (GS). 35 miles SSE of Gillette. 06 22 39 53.5 46.810 N 122.746 W 0 G 0.2 99 6 WASHINGTON. MD 3.1 (GS). 10 miles ENE of Centralia. 06 23 03 36.7 40.462 N 107.828 W 0 G 0.9 74 13 COLORADO. ML 2.6 (GS). 15 miles WSW of Craig. 06 23 42 18.9 33.018 N 109.246 W 0 G 0.7 179 8 EASTERN ARIZONA. ML 2.4 (GS). 30 miles ENE of Safford. 08 20 58 34.6 43.612 N 105.211 W 0 G 0.5 126 8 WYOMING. ML 2.9 (GS). 50 miles SSE of Gillette. 08 22 13 14.7* 46.800 N 122.743 W 0 G 0.4 187 5 WASHINGTON. MD 3.1 (GS). 10 miles ENE of Centralia. 09 20 27 06.9 36.652 N 108.425 W 0 G 0.4 116 9 NEW MEXICO. ML 2.4 (GS). 15 miles WSW of Farmington. 10 16 38 25.0 41.882 N 108.987 W 0 G 0.6 81 12 WYOMING. ML 2.2 (GS). 25 miles NNE of Rock Springs. 11 17 22 30.5* 43.821 N 105.466 W 0 G 0.9 137 5 WYOMING. ML 2.5 (GS). 35 miles S of Gillette. 12 23 05 13.4 41.821 N 108.775 W 0 G 0.9 85 13 WYOMING. ML 2.3 (GS). 25 miles NE of Rock Springs. 13 00 46 16.1 40.334 N 107.795 W 0 G 0.4 70 19 COLORADO. ML 2.9 (GS). 20 miles SW of Craig. 14 19 31 24.5 43.709 N 105.306 W 0 G 0.8 130 9 WYOMING. ML 2.9 (GS). 40 miles SSE of Gillette. 14 21 36 01.3* 32.994 N 109.316 W 0 G 0.4 179 6 EASTERN ARIZONA. ML 3.0 (GS). 25 miles ENE of Safford. 14 23 07 57.6 40.301 N 107.778 W 0 G 0.6 71 15 COLORADO. ML 2.9 (GS). 20 miles SW of Craig. 15 21 28 00.4 41.777 N 108.713 W 0 G 0.7 85 10 WYOMING. ML 2.4 (GS). 30 miles ENE of Rock Springs. 15 22 11 10.9* 33.064 N 109.462 W 0 G 0.6 171 5 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 16 15 45 50.3 41.546 N 109.176 W 0 G 1.1 81 11 WYOMING. ML 2.3 (GS). near Rock Springs. 16 21 19 27.3 41.593 N 108.717 W 0 G 0.7 78 20 WYOMING. ML 2.8 (GS). 25 miles E of Rock Springs. 16 21 41 29.0 36.415 N 110.268 W 0 G 0.5 177 7 EASTERN ARIZONA. ML 2.3 (GS). 20 miles S of Kayenta. 16 23 08 40.2* 43.653 N 105.193 W 0 G 1.0 124 7 WYOMING. ML 2.9 (GS). 45 miles SSE of Gillette. 17 19 04 23.9 43.781 N 105.322 W 0 G 0.4 124 13 WYOMING. ML 3.1 (GS). 35 miles SSE of Gillette. 17 21 09 34.4* 44.184 N 105.423 W 0 G 0.5 183 6 WYOMING. ML 2.3 (GS). 10 miles SSE of Gillette. 19 21 06 36.9 43.832 N 105.355 W 0 G 0.4 137 11 WYOMING. ML 2.8 (GS). 35 miles SSE of Gillette. 19 21 29 02.5* 32.782 N 109.158 W 0 G 0.4 195 5 EASTERN ARIZONA. ML 3.2 (GS). 30 miles E of Safford. 20 20 16 32.9 36.545 N 108.358 W 0 G 1.1 141 8 NEW MEXICO. ML 2.6 (GS). 15 miles SSW of Farmington. 20 21 25 10.2 33.051 N 109.352 W 0 G 0.4 175 6 EASTERN ARIZONA. ML 3.0 (GS). 25 miles NE of Safford. 20 22 24 06.5* 33.082 N 109.333 W 0 G 0.1 174 5 EASTERN ARIZONA. ML 2.6 (GS). 30 miles NE of Safford. 21 21 58 24.0 41.682 N 108.711 W 0 G 0.7 80 22 WYOMING. ML 2.9 (GS). 25 miles ENE of Rock Springs. 22 19 19 01.2* 33.098 N 109.364 W 0 G 0.7 172 6 EASTERN ARIZONA. ML 3.2 (GS). 25 miles NE of Safford. 22 23 06 13.6 40.383 N 107.929 W 0 G 0.6 102 13 COLORADO. ML 3.0 (GS). 20 miles WSW of Craig. 23 16 56 34.1* 33.072 N 109.344 W 0 G 0.2 174 5 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 23 17 08 33.1 41.736 N 108.712 W 0 G 0.7 76 19 WYOMING. ML 2.6 (GS). 25 miles ENE of Rock Springs. 24 20 17 28.1* 45.212 N 106.743 W 0 G 0.8 183 10 MONTANA. ML 2.7 (GS). 30 miles NNE of Sheridan, Wyoming. 24 22 52 09.6 46.704 N 122.761 W 0 G 0.6 127 11 WASHINGTON. MD 3.5 (GS). 10 miles E of Centralia. 26 19 07 58.7* 43.953 N 105.281 W 0 G 0.7 171 9 WYOMING. ML 2.5 (GS). 25 miles SSE of Gillette. 26 21 17 51.4* 45.383 N 106.824 W 0 G 0.9 202 8 MONTANA. ML 2.5 (GS). 35 miles SSW of Colstrip. 26 21 39 54.8* 33.128 N 109.414 W 0 G 1.4 134 6 EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford. 27 21 17 03.9 44.205 N 105.398 W 0 G 0.8 155 11 WYOMING. ML 3.1 (GS). 10 miles SE of Gillette. 27 21 45 08.8 38.869 N 107.396 W 0 G 0.8 144 8 COLORADO. ML 3.0 (GS). 35 miles NW of Gunnison. 27 23 03 25.8 46.773 N 122.714 W 0 G 0.3 98 6 WASHINGTON. MD 3.4 (GS). 10 miles ENE of Centralia. 28 00 21 02.3 41.928 N 108.725 W 0 G 0.9 111 17 WYOMING. ML 2.5 (GS). 35 miles NE of Rock Springs. 28 19 53 44.3* 45.807 N 106.794 W 0 G 0.4 220 6 MONTANA. ML 2.6 (GS). 10 miles WSW of Colstrip. 28 20 06 04.7* 32.897 N 109.169 W 0 G 1.0 148 7 EASTERN ARIZONA. ML 3.0 (GS). 30 miles E of Safford. 28 21 47 08.8* 32.803 N 109.132 W 0 G 1.0 194 5 EASTERN ARIZONA. ML 2.6 (GS). 35 miles E of Safford. 28 23 03 54.4 41.765 N 108.695 W 0 G 0.4 85 15 WYOMING. ML 3.0 (GS). 30 miles ENE of Rock Springs. 29 19 59 22.7* 33.094 N 109.347 W 0 G 0.2 173 5 EASTERN ARIZONA. ML 2.4 (GS). 25 miles NE of Safford. 29 21 37 12.0 42.047 N 106.832 W 0 G 0.8 113 11 WYOMING. ML 2.5 (GS). 30 miles NE of Rawlins. 29 22 53 12.3* 46.721 N 122.761 W 0 G 0.7 104 5 WASHINGTON. MD 3.4 (GS). 10 miles E of Centralia. 29 23 14 04.2 40.313 N 107.852 W 0 G 0.6 71 15 COLORADO. ML 2.9 (GS). 20 miles SW of Craig. 30 18 10 10.1 33.144 N 109.375 W 0 G 0.8 134 9 EASTERN ARIZONA. ML 2.7 (GS). 30 miles NE of Safford. 30 18 26 12.3 36.349 N 110.252 W 0 G 0.7 102 9 EASTERN ARIZONA. ML 2.6 (GS). 25 miles S of Kayenta. 30 18 32 51.7* 45.144 N 106.689 W 0 G 0.6 194 7 MONTANA. ML 2.6 (GS). 25 miles NNE of Sheridan, Wyoming. 30 20 04 55.9 43.740 N 105.318 W 0 G 0.6 122 15 WYOMING. ML 3.0 (GS). 40 miles SSE of Gillette. 30 20 59 51.8 43.611 N 105.182 W 0 G 0.9 127 9 WYOMING. ML 3.0 (GS). 50 miles SSE of Gillette. 30 23 30 27.2 35.628 N 107.459 W 0 G 0.8 148 7 NEW MEXICO. ML 2.6 (GS). 40 miles SW of Cuba.