U.S. DEPARTMENT OF THE INTERIOR NO. 12-06-EXP GEOLOGICAL SURVEY FEB 22, 2007 ROUTINE MINING SEISMICITY IN THE UNITED STATES DECEMBER 2006 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 01 18 13 37.6 44.103 N 105.293 W 0 G A 0.8 94 15 WYOMING. ML 3.1 (GS). 25 km (15 miles) SE of Gillette. 01 19 10 44.6 43.669 N 105.278 W 0 G A 1.4 120 15 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 03 20 07 45.0 43.733 N 105.193 W 0 G A 0.9 44 47 WYOMING. ML 3.2 (GS). ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 05 18 59 53.8 43.555 N 105.113 W 0 G A 1.1 132 24 WYOMING. ML 3.1 (GS). 80 km (50 miles) WSW of Newcastle. 05 21 03 53.6 43.675 N 105.185 W 0 G A 1.1 123 20 WYOMING. ML 3.0 (GS). 75 km (45 miles) SSE of Gillette. 05 22 59 47.9 40.649 N 109.543 W 0 G A 1.1 62 20 UTAH. ML 2.9 (GS). 20 km (15 miles) N of Vernal. 06 19 04 44.8 43.758 N 105.242 W 0 G A 0.7 116 32 WYOMING. ML 3.4 (GS). 65 km (40 miles) SSE of Gillette. 09 19 08 17.8 43.738 N 105.183 W 0 G A 0.7 120 31 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette. 09 22 05 15.5* 43.741 N 105.241 W 0 G B 1.5 143 21 WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette. 11 19 03 33.6 43.666 N 105.265 W 0 G A 0.6 121 17 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 11 21 04 26.7 43.718 N 105.185 W 0 G A 0.7 121 14 WYOMING. ML 3.0 (GS). 70 km (45 miles) SSE of Gillette. 14 17 16 05.2 43.856 N 105.276 W 0 G A 1.0 110 12 WYOMING. ML 3.2 (GS). 50 km (30 miles) SSE of Gillette. 15 23 10 39.3 41.819 N 108.708 W 0 G A 1.5 129 11 WYOMING. ML 2.6 (GS). 50 km (30 miles) NE of Rock Springs. 16 18 58 24.2 43.707 N 105.240 W 0 G A 0.7 119 24 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 16 20 09 06.6? 38.01 N 81.43 W 0 G C 0.1 166 4 WEST VIRGINIA. mbLg 2.8 (GS). 35 km (20 miles) NW of Beckley. 16 22 11 23.7? 44.17 N 105.34 W 0 G C 0.9 251 4 WYOMING. ML 3.1 (GS). 20 km (10 miles) SE of Gillette. 16 23 02 11.8 40.188 N 107.742 W 0 G A 1.2 47 25 COLORADO. ML 2.8 (GS). 20 km (15 miles) NE of Meeker. 17 19 10 06.1 43.721 N 105.232 W 0 G A 1.0 119 19 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette. 20 19 04 59.9 43.764 N 105.230 W 0 G A 0.8 114 38 WYOMING. ML 3.4 (GS). 60 km (40 miles) SSE of Gillette. 20 21 06 44.3 43.716 N 105.206 W 0 G A 0.9 120 33 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette. 23 23 23 59.2 40.134 N 107.674 W 0 G A 1.5 88 13 COLORADO. ML 2.6 (GS). 25 km (15 miles) ENE of Meeker. 24 19 04 51.1 43.789 N 105.265 W 0 G A 0.6 114 25 WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette. 27 20 01 38.9 43.626 N 105.201 W 0 G A 1.1 141 20 WYOMING. ML 3.1 (GS). 80 km (50 miles) SSE of Gillette. 29 19 03 19.1 43.707 N 105.123 W 0 G A 0.9 145 28 WYOMING. ML 3.3 (GS). 75 km (45 miles) SSE of Gillette. 29 21 02 39.3 43.769 N 105.227 W 0 G A 0.9 116 30 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette. 30 20 18 49.8* 44.142 N 105.369 W 0 G B 0.5 103 8 WYOMING. ML 2.8 (GS). 20 km (10 miles) SSE of Gillette. 30 20 27 38.6* 36.360 N 110.352 W 0 G B 0.9 164 8 ARIZONA. ML 2.7 (GS). 40 km (25 miles) SSW of Kayenta. 30 21 03 19.3* 44.149 N 105.341 W 0 G B 0.6 118 7 WYOMING. ML 3.1 (GS). 20 km (15 miles) SE of Gillette. For origin times after September 30, 2002, USGS computations of hypocenters and magnitudes for routine mining events are listed in this publication only for exceptionally large events and for events that are also listed in the Reviewed Event Event Bulletins (REB) of the International Data Center of the United Nations' Comprehensive Nuclear-Test-Ban Treaty Organization.