Bulletin: March 1999

 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  3-99-EXP
GEOLOGICAL SURVEY                                                                                        NOV 10, 1999
 
                                     PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
 
                                                         MARCH 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
 
04  17 09 13.2  43.554 N  105.170 W    0 G           0.9   13  WYOMING. ML 3.2 (GS). 55 miles (80 km) WSW of Newcastle,
                                                                Wyoming.
06  00 21 35.9* 43.949 N  105.312 W    0 G           1.0    7  WYOMING. ML 2.7 (GS). 25 miles (40 km) SSE of Gillette,
                                                                Wyoming.
07  00 46 12.8  41.774 N  108.699 W    0 G           1.0   17  WYOMING. ML 2.7 (GS). 30 miles (50 km) ENE of Rock Springs,
                                                                Wyoming.
10  16 26 33.5  37.911 N   81.771 W    0 G           1.0    8  WEST VIRGINIA. mbLg 3.2 (GS). 30 miles (50 km) SSW of
                                                                Charleston, West Virginia.
10  20 41 13.2  36.391 N  110.326 W    0 G           0.8   10  EASTERN ARIZONA. ML 3.1 (GS). 25 miles (40 km) S of Kayenta,
                                                                Arizona.
10  23 04 08.1  40.098 N  107.863 W    0 G           1.2   16  COLORADO. ML 2.7 (GS). 35 miles (50 km) SSW of Craig,
                                                                Colorado.
11  23 05 23.6  40.325 N  107.792 W    0 G           0.8   16  COLORADO. ML 2.8 (GS). 20 miles (30 km) SW of Craig,
                                                                Colorado.
13  21 03 49.6  40.541 N  112.140 W    0 G           1.0   20  UTAH. ML 2.4 (GS). 10 miles (10 km) E of Tooele, Utah.
13  23 05 33.0  40.220 N  107.852 W    0 G           1.3   16  COLORADO. ML 2.6 (GS). 30 miles (40 km) SW of Craig,
                                                                Colorado.
16  17 19 16.2  41.667 N  109.144 W    0 G           1.5   13  WYOMING. ML 2.8 (GS). 5 miles (10 km) NE of Rock Springs,
                                                                Wyoming.
19  17 32 17.7? 47.66  N   92.25  W    0 G           1.8    4  MINNESOTA. 15 miles (30 km) NE of Virginia, Minnesota.
20  18 21 18.1  41.731 N  108.572 W    0 G           1.4   18  WYOMING. ML 2.4 (GS). 35 miles (50 km) ENE of Rock Springs,
                                                                Wyoming.
20  21 40 19.5  40.590 N  109.590 W    0 G           1.0   12  UTAH. ML 2.4 (GS). 10 miles (20 km) NNW of Vernal, Utah.
22  18 45 49.8* 32.948 N  109.346 W    0 G           0.8    5  EASTERN ARIZONA. ML 2.5 (GS). 20 miles (40 km) ENE of
                                                                Safford, Arizona.
22  21 41 38.0* 37.040 N  110.141 W    0 G           1.4    6  UTAH. ML 2.4 (GS). 20 miles (40 km) NNE of Kayenta, Arizona.
24  20 06 41.5  43.646 N  105.254 W    0 G           1.1   20  WYOMING. ML 3.3 (GS). 45 miles (80 km) SSE of Gillette,
                                                                Wyoming.
24  21 07 33.4  36.399 N  110.481 W    0 G           1.2   11  EASTERN ARIZONA. ML 2.7 (GS). 25 miles (40 km) SSW of
                                                                Kayenta, Arizona.
24  22 58 28.0* 40.225 N  107.939 W    0 G           1.5    9  COLORADO. ML 2.6 (GS). 30 miles (50 km) SW of Craig,
                                                                Colorado.
25  19 21 44.3  38.012 N   81.387 W    0 G           1.2    8  WEST VIRGINIA. mbLg 3.2 (GS). 20 miles (30 km) NW of
                                                                Beckley, West Virginia.
25  21 10 40.7  36.430 N  110.488 W    0 G           1.4    8  EASTERN ARIZONA. ML 2.6 (GS). 25 miles (40 km) SW of
                                                                Kayenta, Arizona.
26  19 41 26.5* 45.328 N  106.794 W    0 G           0.9    8  MONTANA. ML 3.0 (GS). 40 miles (60 km) NNE of Sheridan,
                                                                Wyoming.
27  00 33 46.7  40.199 N  107.819 W    0 G           1.2   12  COLORADO. ML 2.6 (GS). 25 miles (40 km) SSW of Craig,
                                                                Colorado.
28  16 12 29.9  40.535 N  112.156 W    0 G           0.9   20  UTAH. ML 2.5 (GS). 5 miiles (10 km) E of Tooele, Utah.
30  16 55 29.4  41.770 N  108.913 W    0 G           1.3   13  WYOMING. ML 2.8 (GS). 20 miles (30 km) NE or Rock Springs,
                                                                Wyoming.
30  17 25 54.3  36.422 N  110.208 W    0 G           0.7    7  EASTERN ARIZONA. ML 2.7 (GS). 20 miles (30 km) S of Kayenta,
                                                                Arizona.
31  17 24 51.3  41.785 N  108.788 W    0 G           0.8   13  WYOMING. ML 2.3 (GS). 25 miles (40 km) NE of Rock Springs,
                                                                Wyoming.
31  18 04 26.9* 43.941 N  105.241 W    0 G           1.2    7  WYOMING. ML 3.1 (GS). 25 miles (40 km) SSE of Gillette,
                                                                Wyoming.
31  20 25 36.8* 43.942 N  105.259 W    0 G           1.4    9  WYOMING. ML 3.0 (GS). 25 miles (40 km) SSE of Gillette,
                                                                Wyoming.

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.

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