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.