U.S. DEPARTMENT OF THE INTERIOR NO. 11-99-EXP GEOLOGICAL SURVEY DEC 7, 1999 PROBABLE MINING EXPLOSIONS IN THE UNITED STATES NOVEMBER 1999 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 01 18 30 53.6? 33.24 N 107.85 W 0 G 0.3 4 NEW MEXICO. ML 2.5 (GS). 35 miles WNW of Truth or Consequences. 04 17 25 29.5 40.567 N 109.809 W 0 G 0.2 7 UTAH. ML 2.3 (GS). 15 miles WNW of Vernal. 04 23 09 43.6 40.299 N 107.775 W 0 G 0.5 9 COLORADO. ML 3.0 (GS). 20 miles SW of Craig. 05 17 44 01.2 40.518 N 112.115 W 0 G 0.4 6 UTAH. ML 2.1 (GS). 10 miles E of Tooele. 05 19 19 40.2* 32.815 N 109.396 W 0 G 0.9 6 EASTERN ARIZONA. ML 2.1 (GS). 20 miles E of Safford. 05 22 15 40.6* 36.663 N 108.524 W 0 G 1.6 10 NEW MEXICO. ML 2.5 (GS). 20 miles WSW of Farmington. 06 17 02 25.6 40.514 N 112.129 W 0 G 0.5 11 UTAH. ML 2.1 (GS). 10 miles E of Tooele. 06 18 03 33.9 43.697 N 105.296 W 0 G 0.9 19 WYOMING. ML 3.5 (GS). 40 miles SSE of Gillette. 06 20 08 03.7 43.643 N 105.220 W 0 G 1.0 13 WYOMING. ML 3.3 (GS). 45 miles SSE of Gillette. 06 20 20 27.5 41.813 N 108.818 W 0 G 1.5 11 WYOMING. ML 2.6 (GS). 25 miles NE of Rock Springs. 07 16 22 53.8* 41.421 N 109.048 W 0 G 1.4 5 WYOMING. ML 2.0 (GS). 15 miles SE of Rock Springs. 07 20 56 39.9 40.468 N 112.066 W 0 G 1.1 8 UTAH. ML 2.1 (GS). 15 miles ESE of Tooele. 07 21 18 53.0 42.509 N 110.973 W 0 G 0.9 19 WYOMING. ML 2.7 (GS). 15 miles S of Afton. 08 20 11 52.7* 40.514 N 112.096 W 0 G 1.1 6 UTAH. ML 2.2 (GS). 10 miles E of Tooele. 10 21 05 09.2 43.638 N 105.272 W 0 G 1.0 16 WYOMING. ML 3.6 (GS). 45 miles SSE of Gillette. 11 20 06 21.0 43.656 N 105.246 W 0 G 0.9 11 WYOMING. ML 3.4 (GS). 45 miles SSE of Gillette. 11 22 36 02.5 41.693 N 108.750 W 0 G 0.9 12 WYOMING. ML 2.5 (GS). 25 miles ENE of Rock Springs. 12 21 24 18.2* 44.070 N 105.357 W 0 G 1.1 9 WYOMING. ML 3.3 (GS). 20 miles SSE of Gillette. 13 23 56 57.2 41.694 N 109.021 W 0 G 1.2 11 WYOMING. ML 2.5 (GS). 10 miles NE of Rock Springs. 14 21 32 10.5 41.760 N 108.739 W 0 G 1.2 14 WYOMING. ML 2.4 (GS). 25 miles ENE of Rock Springs. 14 23 09 53.9* 40.639 N 107.876 W 0 G 1.2 7 COLORADO. ML 2.7 (GS). 20 miles NNW of Craig. 15 23 42 06.2* 33.037 N 109.353 W 0 G 1.1 8 EASTERN ARIZONA. ML 2.8 (GS). 25 miles NE of Safford. 17 17 03 18.0 40.525 N 112.187 W 0 G 0.7 22 UTAH. ML 2.3 (GS). 5 miles E of Tooele. 18 15 30 52.0 42.071 N 106.781 W 0 G 0.7 8 WYOMING. ML 2.3 (GS). 30 miles NE of Rawlins. 18 21 49 54.5* 32.880 N 108.064 W 0 G 1.1 9 NEW MEXICO. ML 2.6 (GS). 15 miles ENE of Silver City. 19 17 59 16.7 41.716 N 108.628 W 0 G 1.2 16 WYOMING. ML 2.7 (GS). 30 miles ENE of Rock Springs. 19 19 15 38.7 32.956 N 109.221 W 0 G 0.6 9 EASTERN ARIZONA. ML 2.7 (GS). 30 miles ENE of Safford. 20 01 39 37.1 39.743 N 110.874 W 0 G 0.7 9 UTAH. ML 2.1 (GS). 10 miles NNW of Price. 20 23 14 52.7 40.280 N 107.744 W 0 G 1.2 9 COLORADO. ML 2.5 (GS). 20 miles SSW of Craig. 22 18 28 48.9* 32.840 N 109.420 W 0 G 1.1 6 EASTERN ARIZONA. ML 2.5 (GS). 15 miles E of Safford. 22 22 39 30.0? 32.70 N 109.02 W 0 G 1.0 4 EASTERN ARIZONA. ML 3.0 (GS). 30 miles NW of Lordsburg. 22 23 08 23.8 40.225 N 107.777 W 0 G 0.8 10 COLORADO. ML 2.4 (GS). 20 miles SSW of Craig. 22 23 41 43.0 41.794 N 108.713 W 0 G 1.2 16 WYOMING. ML 2.6 (GS). 30 miles ENE of Rock Springs. 23 03 47 06.0 41.572 N 109.890 W 0 G 1.0 16 WYOMING. ML 2.3 (GS). 35 miles W of Rock Springs. 23 20 04 55.0* 43.845 N 105.296 W 0 G 1.4 8 WYOMING. ML 3.1 (GS). 35 miles SSE of Gillette. 23 21 05 38.9 33.028 N 109.347 W 0 G 0.6 9 EASTERN ARIZONA. ML 3.0 (GS). 25 miles ENE of Safford. 23 21 54 44.7* 40.461 N 107.201 W 0 G 1.5 8 COLORADO. ML 2.4 (GS). 20 miles ESE of Craig. 24 20 58 49.5 36.450 N 110.541 W 0 G 0.7 9 EASTERN ARIZONA. ML 2.4 (GS). 25 miles SW of Kayenta. 24 21 04 08.0 41.900 N 108.777 W 0 G 1.2 13 WYOMING. ML 2.5 (GS). 30 miles NE of Rock Springs. 24 21 52 54.7* 32.437 N 108.968 W 0 G 0.6 8 NEW MEXICO. ML 2.7 (GS). 15 miles WNW of Lordsburg. 25 17 29 44.2* 32.722 N 109.234 W 0 G 0.9 8 EASTERN ARIZONA. ML 2.5 (GS). 30 miles ESE of Safford. 25 19 27 06.7 40.527 N 112.161 W 0 G 0.6 18 UTAH. ML 2.3 (GS). 10 miles E of Tooele. 25 19 38 38.8 33.071 N 109.358 W 0 G 0.6 8 EASTERN ARIZONA. ML 2.6 (GS). 25 miles NE of Safford. 25 20 02 26.7 43.650 N 105.169 W 0 G 1.3 11 WYOMING. ML 3.2 (GS). 45 miles SSE of Gillette. 27 16 26 28.3 40.526 N 112.150 W 0 G 0.9 17 UTAH. ML 2.1 (GS). 10 miles E of Tooele. 27 18 04 03.4* 43.617 N 105.223 W 0 G 1.1 7 WYOMING. ML 3.1 (GS). 50 miles SSE of Gillette. 27 21 37 34.2* 43.550 N 105.084 W 0 G 1.4 8 WYOMING. ML 2.9 (GS). 50 miles WSW of Newcastle. 28 19 46 25.9* 43.503 N 105.044 W 0 G 1.2 8 WYOMING. ML 2.7 (GS). 50 miles WSW of Newcastle. 29 15 30 33.3 42.640 N 111.193 W 0 G 1.0 19 EASTERN IDAHO. ML 2.0 (GS). 15 miles WSW of Afton. 30 23 39 17.0* 32.625 N 109.144 W 0 G 1.3 8 EASTERN ARIZONA. ML 2.9 (GS). 30 miles NW of Lordsburg, New Mexico.