U.S. DEPARTMENT OF THE INTERIOR NO. 2-98-EXP GEOLOGICAL SURVEY JUL 27, 1998 PROBABLE MINING EXPLOSIONS IN THE UNITED STATES FEBRUARY 1998 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD NO. REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG MB Msz USED 06 22 41 35.1* 44.183 N 105.243 W 0 G 2.7 12 WYOMING. ML 3.1 (GS). 15 miles (20 km) ESE of Gillette, Wyoming. 18 20 21 58.8 42.009 N 106.829 W 0 G 1.2 16 WYOMING. ML 2.6 (GS). 25 miles (40 km) NE of Rawlins, Wyoming.