Bulletin: August 2002
U.S. DEPARTMENT OF THE INTERIOR NO. 12-02-EXP GEOLOGICAL SURVEY JAN 31, 2003 ROUTINE MINING SEISMICITY IN THE UNITED STATES DECEMBER 2002 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG mb MS USED 04 19 01 55.6 43.731 N 105.291 W 0 G 0.8 159 11 WYOMING. ML 3.2 (GS). 40 miles (65 km) SSE of Gillette. 06 19 07 48.0 43.795 N 105.312 W 0 G 1.3 111 13 WYOMING. ML 3.5 (GS). 35 miles (55 km) SSE of Gillette. 08 19 53 53.2* 45.204 N 106.863 W 0 G 1.4 181 8 EASTERN MONTANA. ML 2.6 (GS). 09 21 19 43.3* 44.157 N 105.195 W 0 G 1.3 241 17 WYOMING. ML 3.4 (GS). 20 miles (30 km) ESE of Gillette. 10 19 25 24.6* 43.649 N 105.173 W 0 G 1.1 134 8 WYOMING. ML 3.2 (GS). 45 miles (75 km) SSE of Gillette. 13 22 09 43.8 43.717 N 105.301 W 0 G 0.8 120 23 WYOMING. ML 3.2 (GS). 17 19 02 49.3 43.713 N 105.265 W 0 G 0.9 140 9 WYOMING. mbLg 3.0 (GS). 40 miles (65 km) SSE of Gillette. 20 19 17 17.5 43.750 N 105.291 W 0 G 0.8 132 13 WYOMING. ML 3.3 (GS). 21 19 00 29.0* 43.685 N 105.233 W 0 G 1.8 127 9 WYOMING. ML 2.9 (GS). 45 miles (70 km) SSE of Gillette. 24 21 04 18.8 43.708 N 105.187 W 0 G 1.3 128 11 WYOMING. ML 3.1 (GS). 45 miles (70 km) SSE of Gillette. 27 21 02 41.3 43.403 N 105.111 W 0 G 0.7 136 12 WYOMING. ML 3.2 (GS). 31 19 02 29.6* 36.972 N 104.774 W 0 G 1.2 101 5 NEW MEXICO. ML 3.9 (GS). 20 miles (30 km) west of Raton. 31 21 27 42.5* 43.549 N 105.240 W 0 G 1.4 128 8 WYOMING. ML 3.2 (GS). 55 miles (85 km) SSE 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. Routine U.S. Mining Seismicity Home Page | Goal and Scope of the Bulletin | Evidence used in Identifying Routine Mining Seismicity | Explanation of Catalog Listings | Mining Seismicity Source Regions
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