U.S. DEPARTMENT OF THE INTERIOR NO. 6-11-EXP GEOLOGICAL SURVEY AUG 15, 2011 ROUTINE MINING SEISMICITY IN THE UNITED STATES JUNE 2011 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 09 18 12 18.5 43.515 N 105.216 W 0 G A 1.3 99 20 WYOMING. ML 3.1 (GS). 85 km (53 miles) N of Douglas. 11 18 02 30.1 43.703 N 105.203 W 0 G A 1.1 51 28 WYOMING. ML 3.3 (GS). 72 km (45 miles) SSE of Gillette. 13 16 46 47.3 43.491 N 105.687 W 0 G A 1.4 162 13 WYOMING. ML 3.0 (GS). 49 km (30 miles) E of Midwest. 14 18 12 23.9 43.701 N 105.237 W 0 G A 1.3 53 59 WYOMING. ML 3.3 (GS). 69 km (43 miles) SSE of Gillette. 20 21 11 14.3 43.772 N 105.220 W 0 G A 1.2 71 32 WYOMING. mbLg 2.9 (GS). ML 3.6 (GS). 64 km (40 miles) SSE of Gillette. 24 18 16 11.7 43.754 N 105.277 W 9 A 0.8 51 60 WYOMING. ML 3.5 (GS). 63 km (39 miles) SSE of Gillette. 24 19 13 42.7 43.521 N 105.366 W 0 G A 1.0 77 46 WYOMING. ML 3.0 (GS). 74 km (46 miles) E of Midwest.