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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