Bulletin: December 2005

U.S. DEPARTMENT OF THE INTERIOR                                                                         NO. 12-05-EXP
GEOLOGICAL SURVEY                                                                                        FEB 16, 2006
 
ROUTINE MINING SEISMICITY IN THE UNITED STATES DECEMBER 2005
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 05 20 06 06.4 43.711 N 105.211 W 0 G A 0.8 120 25 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 07 19 57 22.8 43.660 N 105.238 W 0 G A 0.6 122 27 WYOMING. ML 3.0 (GS). 75 km (45 miles) SSE of Gillette. 09 18 31 55.7 43.753 N 105.239 W 0 G A 0.7 117 26 WYOMING. ML 3.1 (GS). 65 km (40 miles) SSE of Gillette. 10 19 00 05.8 43.705 N 105.170 W 0 G A 0.8 62 28 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette. 10 22 49 29.5 43.704 N 105.206 W 0 G A 0.9 121 19 WYOMING. ML 3.1 (GS). 70 km (40 miles) SSE of Gillette. 20 21 04 51.2 43.792 N 105.259 W 0 G A 0.5 69 37 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette. 23 19 03 02.6 43.584 N 105.226 W 0 G A 1.0 160 15 WYOMING. ML 3.1 (GS). 80 km (50 miles) SSE of Gillette. 25 14 15 08.6 42.271 N 107.553 W 5 G A 0.7 54 48 WYOMING. ML 3.1 (GS). 35 km (20 miles) SE of Jeffrey City. 30 21 03 15.3 43.992 N 105.504 W 0 G A 0.4 96 14 WYOMING. ML 3.2 (GS). 35 km (20 miles) S of Gillette. 31 22 33 22.0* 44.209 N 105.359 W 0 G B 0.9 86 8 WYOMING. ML 2.8 (GS). 15 km (10 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.

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