U.S. DEPARTMENT OF THE INTERIOR NO. 1-98-EXP GEOLOGICAL SURVEY JUL 27, 1998 PROBABLE MINING EXPLOSIONS IN THE UNITED STATES JANUARY 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 15 40 52.3* 41.724 N 110.589 W 0 G 1.1 6 WYOMING. ML 1.6 (GS). 35 mi (60 km) NNE of Evanston, Wyoming. 12 21 56 12.4* 38.022 N 81.329 W 0 G 1.2 7 WEST VIRGINIA. mbLg 3.2 (GS). 20 miles (30 km) NNW of Beckley, West Virginia. 15 18 07 40.5* 46.070 N 106.841 W 0 G 1.5 7 MONTANA. ML 2.9 (GS). 15 miles (30 km) SSW of Forsyth, Montana.