U.S. DEPARTMENT OF THE INTERIOR NO. 3-08-EXP GEOLOGICAL SURVEY MAY 19, 2008 ROUTINE MINING SEISMICITY IN THE UNITED STATES MARCH 2008 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE Q SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG mb MS USED 03 19 04 59.8 43.765 N 105.221 W 0 G A 1.1 51 37 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette. 06 21 05 02.9 43.578 N 105.068 W 0 G A 0.8 52 46 WYOMING. ML 3.4 (GS). 75 km (45 miles) WSW of Newcastle. 09 18 02 12.1 43.770 N 105.169 W 0 G A 0.9 55 33 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 09 19 58 28.7 43.680 N 105.180 W 0 G A 0.9 76 45 WYOMING. ML 3.2 (GS). 75 km (45 miles) SSE of Gillette. 10 20 35 23.3 43.751 N 105.204 W 0 G A 1.1 63 30 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 11 20 01 39.7 43.698 N 105.257 W 0 G A 1.3 51 33 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 11 21 12 22.6 40.764 N 116.356 W 0 G A 1.4 71 20 NEVADA. ML 2.5 (GS). 50 km (30 miles) ENE of Battle Mountain. 14 20 03 10.6 43.641 N 105.194 W 0 G A 1.1 51 37 WYOMING. ML 3.2 (GS). 75 km (45 miles) SSE of Gillette. 15 18 02 01.8 43.752 N 105.211 W 0 G A 0.9 51 39 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 16 20 10 16.3* 43.645 N 105.228 W 0 G B 1.1 123 7 WYOMING. ML 2.9 (GS). 75 km (45 miles) SSE of Gillette. 22 14 30 10.5 45.922 N 106.991 W 0 G A 1.3 98 13 EASTERN MONTANA. ML 2.5 (GS). 30 km (20 miles) W of Colstrip. 23 20 08 11.2 43.729 N 105.278 W 0 G A 1.3 57 30 WYOMING. ML 3.1 (GS). 65 km (40 miles) SSE of Gillette. 23 23 14 59.9* 43.882 N 105.430 W 0 G B 1.8 95 18 WYOMING. ML 2.9 (GS). 45 km (25 miles) SSE of Gillette. 24 18 35 30.8 43.820 N 105.187 W 0 G A 0.9 70 25 WYOMING. ML 3.2 (GS). 60 km (35 miles) SSE of Gillette. 24 21 15 09.9 45.160 N 106.836 W 0 G A 1.0 103 24 EASTERN MONTANA. ML 2.8 (GS). 40 km (25 miles) NNE of Sheridan. 25 18 52 54.2 43.611 N 105.086 W 0 G A 1.4 97 39 WYOMING. ML 3.3 (GS). 75 km (45 miles) WSW of Newcastle. 25 20 06 36.7 43.778 N 105.290 W 0 G A 0.6 95 28 WYOMING. ML 3.2 (GS). 60 km (35 miles) SSE of Gillette. 25 21 54 15.4* 37.840 N 81.562 W 0 G B 0.9 118 7 WEST VIRGINIA. mbLg 3.1 (GS). 35 km (20 miles) WNW of Beckley. 25 23 49 19.6 44.088 N 105.386 W 0 G A 0.5 183 11 WYOMING. ML 2.8 (GS). 25 km (15 miles) SSE of Gillette. 26 22 38 22.8 43.492 N 105.217 W 0 G A 1.7 82 20 WYOMING. ML 2.7 (GS). 80 km (50 miles) N of Douglas. 27 21 30 06.2 45.139 N 106.787 W 0 G A 1.4 65 14 EASTERN MONTANA. ML 2.7 (GS). 40 km (25 miles) NNE of Sheridan. 29 20 03 55.8 43.752 N 105.282 W 0 G A 1.4 51 35 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette. 30 18 05 52.7 43.775 N 105.276 W 0 G A 0.7 70 34 WYOMING. ML 3.2 (GS). 60 km (35 miles) SSE of Gillette. 30 20 20 24.3? 44.20 N 105.37 W 0 G C 0.9 114 5 WYOMING. ML 2.5 (GS). 15 km (10 miles) SE of Gillette. 31 21 06 46.2 40.797 N 116.412 W 0 G A 1.2 153 10 NEVADA. ML 2.7 (GS). 45 km (30 miles) ENE of Battle Mountain. 31 21 17 01.3 44.430 N 105.480 W 0 G A 1.2 81 22 WYOMING. ML 2.8 (GS). 15 km (10 miles) N of Gillette. 31 22 54 28.3 45.106 N 106.749 W 0 G A 0.9 150 13 EASTERN MONTANA. ML 2.5 (GS). 40 km (25 miles) NNE of Sheridan.