U.S. DEPARTMENT OF THE INTERIOR NO. 6-10-EXP GEOLOGICAL SURVEY AUG 30, 2010 ROUTINE MINING SEISMICITY IN THE UNITED STATES JUNE 2010 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 21 09 44.1 41.873 N 108.627 W 0 G A 1.4 100 24 WYOMING. ML 2.6 (GS). 55 km (35 miles) NE of Rock Springs. 11 18 04 09.6 43.552 N 105.301 W 0 G A 1.6 78 24 WYOMING. ML 3.1 (GS). 80 km (50 miles) E of Midwest. 16 20 04 51.6 43.787 N 105.560 W 0 G A 1.2 109 14 WYOMING. ML 3.3 (GS). 55 km (35 miles) S of Gillette. 19 18 02 22.4 43.640 N 105.219 W 0 G A 1.0 51 57 WYOMING. ML 3.4 (GS). 75 km (45 miles) SSE of Gillette. 21 21 46 55.9 43.503 N 105.166 W 0 G A 1.1 127 32 WYOMING. ML 3.0 (GS). 85 km (50 miles) NNE of Douglas. 22 18 00 56.2 43.699 N 105.248 W 0 G A 1.0 51 38 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette. 22 18 50 16.2 41.046 N 112.861 W 0 G A 1.2 56 17 UTAH. ML 1.8 (GS). 75 km (45 miles) NW of Tooele. 22 22 15 54.0 44.370 N 105.566 W 0 G A 0.7 89 15 WYOMING. ML 2.8 (GS). 10 km (5 miles) NNW of Gillette. 24 20 45 29.5* 45.200 N 106.913 W 0 G B 2.0 64 21 EASTERN MONTANA. ML 2.5 (GS). 45 km (30 miles) N of Sheridan. 26 20 11 53.0 44.067 N 105.278 W 0 G A 1.3 51 29 WYOMING. ML 3.0 (GS). 30 km (20 miles) SE of Gillette. 27 23 00 08.8 43.592 N 105.401 W 0 G A 1.4 49 37 WYOMING. ML 3.2 (GS). 75 km (45 miles) ENE of Midwest. 29 18 15 39.8 43.741 N 105.252 W 0 G A 1.2 75 35 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette.