U.S. DEPARTMENT OF THE INTERIOR NO. 5-08-EXP GEOLOGICAL SURVEY JUL 24, 2008 ROUTINE MINING SEISMICITY IN THE UNITED STATES MAY 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 14 19 20.0 43.756 N 105.242 W 0 G A 0.8 51 17 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 03 20 46 08.6 43.809 N 105.244 W 0 G A 1.1 50 59 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette. 04 18 03 40.4 43.710 N 105.177 W 0 G A 1.1 121 16 WYOMING. ML 2.8 (GS). 70 km (45 miles) SSE of Gillette. 05 18 07 03.2 43.801 N 105.257 W 0 G A 0.9 51 42 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette. 05 19 03 37.0 43.763 N 105.279 W 0 G A 1.0 62 21 WYOMING. ML 3.0 (GS). 60 km (40 miles) SSE of Gillette. 06 22 10 43.9 41.696 N 108.733 W 0 G A 1.0 59 24 WYOMING. ML 2.5 (GS). 40 km (25 miles) ENE of Rock Springs. 07 13 41 46.0 43.743 N 105.254 W 0 G A 0.8 54 28 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 09 18 08 00.2 43.755 N 105.271 W 0 G A 1.1 51 42 WYOMING. ML 3.2 (GS). 60 km (40 miles) SSE of Gillette. 09 20 08 06.2 43.733 N 105.245 W 0 G A 0.8 50 44 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 11 20 04 49.7* 43.791 N 105.213 W 0 G B 1.5 81 7 WYOMING. ML 3.1 (GS). 60 km (35 miles) SSE of Gillette. 11 20 22 58.4? 44.46 N 105.00 W 0 G C 0.7 136 5 WYOMING. ML 2.5 (GS). 45 km (25 miles) ENE of Gillette. 15 21 40 40.3 44.276 N 105.404 W 0 G A 0.9 111 18 WYOMING. ML 2.7 (GS). 10 km (5 miles) E of Gillette. 15 22 39 24.7 43.790 N 105.279 W 0 G A 0.5 82 18 WYOMING. ML 2.7 (GS). 60 km (35 miles) SSE of Gillette. 18 20 03 54.6* 43.865 N 105.175 W 0 G B 1.3 138 10 WYOMING. ML 2.8 (GS). 55 km (35 miles) SSE of Gillette. 19 18 34 50.0 43.751 N 105.241 W 0 G A 1.0 72 31 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 20 21 31 54.9 43.710 N 105.228 W 0 G A 0.8 74 24 WYOMING. ML 3.1 (GS). 70 km (40 miles) SSE of Gillette. 24 20 21 01.8 43.736 N 105.243 W 0 G A 0.8 54 31 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 25 18 02 06.2 43.762 N 105.231 W 0 G A 0.8 51 45 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette. 28 21 14 35.5 40.355 N 109.551 W 0 G A 1.6 91 28 UTAH. ML 2.6 (GS). 10 km (5 miles) S of Vernal. 28 22 18 14.3 43.581 N 105.204 W 0 G A 0.8 110 17 WYOMING. ML 2.7 (GS). 80 km (50 miles) SSE of Gillette. 29 17 45 58.3? 36.21 N 110.18 W 0 G C 1.1 158 5 ARIZONA. ML 2.7 (GS). 55 km (35 miles) NNE of Second Mesa. 29 18 07 39.1 41.784 N 108.624 W 0 G A 1.2 88 16 WYOMING. ML 2.7 (GS). 55 km (35 miles) ENE of Rock Springs. 29 20 12 58.3* 45.178 N 106.891 W 0 G B 0.6 103 9 EASTERN MONTANA. ML 2.9 (GS). 45 km (30 miles) N of Sheridan. 29 20 21 32.6 43.677 N 105.258 W 0 G A 1.2 75 13 WYOMING. ML 2.9 (GS). 70 km (45 miles) SSE of Gillette. 29 22 37 19.8 41.573 N 108.713 W 0 G A 1.3 78 25 WYOMING. ML 2.5 (GS). 40 km (25 miles) E of Rock Springs.