U.S. DEPARTMENT OF THE INTERIOR NO. 5-07-EXP GEOLOGICAL SURVEY JUL 23, 2007 ROUTINE MINING SEISMICITY IN THE UNITED STATES MAY 2007 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 06 20 08 52.6 43.754 N 105.207 W 0 G A 1.1 51 47 WYOMING. ML 3.4 (GS). 65 km (40 miles) SSE of Gillette. 12 20 08 43.1 43.768 N 105.207 W 0 G A 0.7 74 35 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 15 20 05 13.2 43.804 N 105.189 W 0 G A 1.1 51 48 WYOMING. ML 3.6 (GS). 60 km (35 miles) SSE of Gillette. 16 18 05 22.7 43.732 N 105.149 W 0 G A 1.3 118 36 WYOMING. ML 3.3 (GS). 70 km (45 miles) SSE of Gillette. 18 18 10 50.4 43.674 N 105.207 W 0 G A 1.3 98 26 WYOMING. ML 3.3 (GS). 75 km (45 miles) SSE of Gillette. 19 18 16 29.9 43.759 N 105.151 W 0 G A 1.1 76 24 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette. 22 20 07 46.9 43.734 N 105.208 W 0 G A 0.8 51 47 WYOMING. ML 3.6 (GS). 65 km (40 miles) SSE of Gillette. 25 20 00 47.3 43.816 N 105.189 W 0 G A 1.1 96 51 WYOMING. ML 3.5 (GS). 60 km (35 miles) SSE of Gillette. 25 21 35 13.1 41.743 N 108.656 W 0 G A 1.3 132 21 WYOMING. mbLg 2.8 (GS). 50 km (30 miles) ENE of Rock Springs. 27 18 05 08.6 43.785 N 105.232 W 0 G A 0.8 96 38 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.