Bulletin: August 1997


U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  8-97-EXP
GEOLOGICAL SURVEY                                                                                        OCT  8, 1997
 
                                     PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
 
                                                        AUGUST 1997
 
 
  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  13 59 41.6  41.743 N  110.648 W    0 G           1.0    8  WYOMING. ML 2.1 (GS). Near Kemmerer.
01  17 36 46.8  38.007 N   81.130 W    0 G           0.7    7  WEST VIRGINIA. mbLg 2.9 (GS). Near Beckley.
01  19 19 30.3* 36.504 N  108.734 W    0 G           0.6    6  NEW MEXICO. mbLg 2.9 (GS). Near Farmington.
01  21 49 55.8* 38.425 N   81.176 W    0 G           1.2    6  WEST VIRGINIA. mbLg 2.2 (GS). 25 miles ENE of Charleston.
02  17 25 51.6* 37.838 N   82.378 W    0 G           0.8    8  WEST VIRGINIA. mbLg 3.4 (GS). 15 miles NNW of Williamson.
02  17 37 43.2  41.834 N  108.782 W    0 G           0.5   13  WYOMING. ML 2.2 (GS). Near Rock Springs.
02  19 09 54.4* 38.438 N   81.242 W    0 G           0.4    7  WEST VIRGINIA. mbLg 2.5 (GS). 20 miles ENE of Charleston.
02  20 05 19.4* 37.720 N   81.813 W    0 G           0.9    8  WEST VIRGINIA. mbLg 2.5 (GS). 25 miles E of Williamson.
02  20 47 04.8  41.766 N  108.990 W    0 G           0.9   12  WYOMING. ML 2.6 (GS). Near Rock Springs.
02  22 07 14.3  40.249 N  107.822 W    0 G           0.5   12  COLORADO. ML 2.2 (GS). Near Craig.
03  06 28 38.4  40.469 N  106.924 W    0 G           0.4   13  COLORADO. ML 2.5 (GS). Near Steamboat Springs.
03  21 09 42.4* 34.862 N  110.704 W    0 G           0.2    6  EASTERN ARIZONA. ML 1.9 (GS). 10 miles S of Winslow.
03  22 08 42.2  40.253 N  107.876 W    0 G           0.9   12  COLORADO. ML 2.4 (GS). Near Craig.
04  18 55 37.5  42.058 N  110.482 W    0 G           0.7    9  WYOMING. ML 1.7 (GS). Near Kemmerer.
04  22 05 44.4  40.297 N  107.790 W    0 G           0.8    9  COLORADO. ML 1.8 (GS). Near Craig.
05  15 41 18.0* 40.719 N  112.728 W    0 G           0.4    6  UTAH. ML 1.9 (GS). Near Grantsville.
05  15 49 27.4* 37.815 N   81.350 W    0 G           1.0    9  WEST VIRGINIA. mbLg 2.9 (GS). Near Beckley.
05  17 44 43.6* 37.490 N  109.406 W    0 G           0.4    7  UTAH. ML 2.1 (GS). 10 miles SSE of Blanding.
05  21 37 55.6? 46.75  N  122.80  W    0 G                  4  WASHINGTON. Near Centralia.
05  22 01 57.5* 43.740 N  104.961 W    0 G           1.8    6  WYOMING. ML 1.5 (GS). South Powder River Basin.
05  22 12 35.5  44.179 N  105.347 W    0 G           0.4    7  WYOMING. ML 2.9 (GS). South Powder River Basin.
06  00 29 35.5* 43.337 N  105.138 W    0 G           0.5    5  WYOMING. ML 2.6 (GS). South Powder River Basin.
06  19 58 15.2  40.765 N  112.590 W    0 G           0.6    7  UTAH. ML 1.8 (GS). Near Grantsville.
07  03 50 09.1  40.490 N  106.893 W    0 G           0.5   12  COLORADO. ML 2.2 (GS). Near Steamboat Springs.
07  17 21 45.5* 40.533 N  112.182 W    0 G           0.8    5  UTAH. ML 1.3 (GS). Near Copperton.
07  18 52 44.2  41.719 N  110.580 W    0 G           0.5   11  WYOMING. ML 1.5 (GS). Near Kemmerer.
07  19 03 02.8  39.648 N  111.250 W    0 G           0.6    7  UTAH. Near Price.
07  19 14 04.7? 31.61  N  108.50  W    0 G           0.5    8  NEW MEXICO-CHIHUAHUA BORDER REG. ML 2.6 (GS). 55 miles SSE
                                                                of Lordsburg.
07  20 01 39.3  40.579 N  112.212 W    0 G           0.7    7  UTAH. ML 1.3 (GS). Near Copperton.
07  21 38 22.5? 35.34  N  109.63  W    0 G           0.8    6  EASTERN ARIZONA. ML 1.6 (GS). 15 miles NW of Chambers.
07  22 06 19.0  40.257 N  107.731 W    0 G           0.9   12  COLORADO. ML 2.2 (GS). Near Craig.
07  23 55 28.9  39.688 N  110.813 W    0 G           0.5   11  UTAH. ML 1.2 (GS). Near Price.
08  02 01 34.1* 37.072 N  110.094 W    0 G           0.8   10  UTAH. ML 2.1 (GS). Black Mesa, Arizona.
08  16 38 50.2  42.778 N  111.407 W    0 G           0.6    7  EASTERN IDAHO. ML 1.5 (GS). Near Soda Springs.
08  17 00 09.6  40.563 N  112.219 W    0 G           0.9   11  UTAH. ML 2.0 (GS). Near Copperton.
08  20 03 43.2  40.557 N  112.161 W    0 G           0.3    7  UTAH. ML 1.2 (GS). Near Copperton.
08  20 29 30.9* 46.766 N  122.804 W    0 G           0.2    5  WASHINGTON. Near Centralia.
08  21 21 25.7? 33.00  N  108.49  W    0 G           0.4    6  NEW MEXICO. ML 2.0 (GS). Near Silver City.
08  22 09 54.0  40.244 N  107.783 W    0 G           0.7   11  COLORADO. ML 2.0 (GS). Near Craig.
08  22 20 39.3  41.710 N  108.716 W    0 G           0.6   18  WYOMING. ML 2.6 (GS). Near Rock Springs.
09  15 00 05.2  40.444 N  107.549 W    0 G           0.8   16  COLORADO. ML 2.6 (GS). Near Craig.
09  15 47 25.0  40.574 N  112.185 W    0 G           0.3    6  UTAH. ML 1.1 (GS). Near Copperton.
09  18 46 12.4* 38.007 N   81.247 W    0 G           0.5    7  WEST VIRGINIA. mbLg 2.6 (GS). Near Beckley.
09  18 53 10.3  40.471 N  106.930 W    0 G           0.7   19  COLORADO. mbLg 2.6 (GS). Near Steamboat Springs.
09  19 44 35.6  37.762 N   81.979 W    0 G           0.4    7  WEST VIRGINIA. mbLg 2.9 (GS). 15 miles ENE of Williamson.
09  20 24 50.3  40.580 N  112.172 W    0 G           0.4    8  UTAH. ML 1.9 (GS). Near Copperton.
09  21 39 18.4? 38.37  N   81.54  W    0 G           0.6    6  WEST VIRGINIA. mbLg 2.6 (GS). near Charleston.
10  04 35 31.7  39.673 N  110.830 W    0 G           0.7   12  UTAH. ML 1.2 (GS). Near Price.
10  15 18 55.7  40.570 N  112.182 W    0 G           0.4    7  UTAH. ML 1.6 (GS). Near Copperton.
10  17 40 41.8  40.540 N  112.191 W    0 G           0.7   12  UTAH. ML 1.5 (GS). Near Copperton.
10  20 13 24.3  40.564 N  112.216 W    0 G           0.6    7  UTAH. ML 1.3 (GS). Near Copperton.
10  20 26 27.6  40.489 N  106.909 W    0 G           0.7   18  COLORADO. ML 2.5 (GS). Near Steamboat Springs.
10  22 05 24.7  40.312 N  107.765 W    0 G           0.6   19  COLORADO. ML 2.4 (GS). Near Craig.
11  18 22 12.2? 32.74  N  108.43  W    0 G           0.9    6  NEW MEXICO. ML 2.2 (GS). Near Silver City.
12  18 33 59.0  40.543 N  112.194 W    0 G           0.4   11  UTAH. ML 1.9 (GS). Near Copperton.
12  18 45 36.6  41.740 N  110.613 W    0 G           0.5   11  WYOMING. ML 1.6 (GS). Near Kemmerer.
12  19 22 55.3  37.337 N   83.068 W    0 G           0.7    7  KENTUCKY. ML 2.8 (GS). N of Hazard.
13  13 25 48.4  41.780 N  110.648 W    0 G           0.9    9  WYOMING. ML 1.2 (GS). Near Kemmerer.
13  15 09 41.5* 37.111 N   82.601 W    0 G           1.0    6  WEST VIRGINIA. mbLg 2.8 (GS). Near Big Stone Gap, Virginia.
13  15 10 49.2  40.611 N  112.095 W    0 G           0.6    6  UTAH. ML 1.2 (GS). Near Copperton.
13  17 09 15.9  40.650 N  112.135 W    0 G           0.6    7  UTAH. ML 1.6 (GS). Near Copperton.
13  17 13 27.1  36.836 N  110.147 W    0 G           0.5   10  EASTERN ARIZONA. ML 2.1 (GS). Black Mesa.
13  18 13 37.2  40.476 N  106.915 W    0 G           1.0    8  COLORADO. ML 1.6 (GS). Near Steamboat Springs.
13  19 28 23.4  40.524 N  107.540 W    0 G           0.7   13  COLORADO. ML 2.7 (GS). Near Craig.
13  21 08 48.9* 44.157 N  105.347 W    0 G           0.9    7  WYOMING. ML 3.1 (GS). South Powder River Basin.
13  21 14 21.0  46.744 N  122.817 W    0 G           0.6    9  WASHINGTON. Near Centralia.
14  00 08 08.2  40.307 N  107.832 W    0 G           0.8   16  COLORADO. ML 3.2 (GS). Near Craig.
14  11 56 12.0? 37.96  N   81.25  W    0 G           0.5    4  WEST VIRGINIA. mbLg 2.4 (GS). Near Beckley.
14  15 05 45.3* 40.763 N  112.669 W    0 G           1.2    6  UTAH. ML 1.6 (GS).  Near Grantsville.
14  15 53 43.6? 35.33  N  109.22  W    0 G           0.8    6  EASTERN ARIZONA. ML 1.5 (GS). Near Gallup, New Mexico.
14  17 25 39.5  40.561 N  112.170 W    0 G           0.4    7  UTAH. ML 1.6 (GS). Near Copperton.
14  17 51 00.0? 31.17  N  108.68  W    0 G           0.8    5  NEW MEXICO-CHIHUAHUA BORDER REG. ML 2.6 (GS). 50 miles NNE
                                                                of Bavispe, Sonora, Mexico.
14  18 50 18.7  41.716 N  110.591 W    0 G           0.5    7  WYOMING. ML 1.6 (GS). Near Kemmerer.
14  20 10 41.5* 43.594 N  105.146 W    0 G           0.9    9  WYOMING. ML 3.2 (GS). South Powder River Basin.
14  20 28 11.4  40.626 N  112.141 W    0 G           0.2    7  UTAH. ML 1.6 (GS). Near Copperton.
14  21 40 57.9  40.659 N  109.620 W    0 G           0.8   11  UTAH. ML 1.9 (GS). Near Vernal.
15  14 22 30.3? 41.01  N   75.94  W    0 G           0.1    4  PENNSYLVANIA. mbLg 3.0 (GS). Near Hazelton
15  14 40 06.8* 40.605 N  112.188 W    0 G           1.2    5  UTAH. ML 1.6 (GS). Near Copperton.
15  15 39 46.6* 41.853 N  110.687 W    0 G           1.5    6  WYOMING. ML 1.0 (GS). Near Kemmerer.
15  17 29 27.6  40.533 N  112.197 W    0 G           0.6    8  UTAH. ML 1.9 (GS). Near Copperton.
15  17 29 27.6  40.533 N  112.197 W    0 G           0.6    8  UTAH. ML 1.9 (GS). Near Copperton.
15  18 39 32.9  40.645 N  112.168 W    0 G           1.0    6  UTAH. ML 1.3 (GS). Near Copperton.
15  19 31 27.3* 40.442 N  107.109 W    0 G           1.0   10  COLORADO. ML 1.9 (GS). Near Steamboat Springs.
15  19 35 33.0* 37.858 N   80.964 W    0 G           1.4    5  WEST VIRGINIA. mbLg 2.5 (GS). Near Beckley.
15  20 07 16.4* 37.809 N   81.503 W    0 G           1.8    5  WEST VIRGINIA. mbLg 2.7 (GS).  Near Beckley.
15  20 21 03.2? 40.55  N  112.18  W    0 G           0.4    4  UTAH. ML 1.2 (GS). Near Copperton.
15  21 34 17.1  46.732 N  122.777 W    0 G           0.4    7  WASHINGTON. Near Centralia.
15  21 56 06.4* 40.237 N  107.773 W    0 G           0.9    6  COLORADO. ML 1.2 (GS). Near Craig.
15  22 52 32.3? 31.69  N  108.75  W    0 G           0.4    7  NEW MEXICO-CHIHUAHUA BORDER REG. ML 3.0 (GS). 45 miles S of
                                                                Lordsburg.
16  14 26 07.3* 37.840 N   81.319 W    0 G           0.5    7  WEST VIRGINIA. mbLg 2.4 (GS). Near Beckley.
16  16 07 07.2* 38.388 N   81.184 W    0 G           1.0    7  WEST VIRGINIA. mbLg 2.7 (GS). 25 miles E of Charleston.
16  18 12 29.3  40.572 N  112.191 W    0 G           0.6    6  UTAH. ML 1.2 (GS). Near Copperton.
16  20 04 25.2* 38.097 N   81.355 W    0 G           0.6    5  WEST VIRGINIA. mbLg 2.5 (GS). Near Beckley.
16  20 08 05.0  40.558 N  112.189 W    0 G           0.2    6  UTAH. ML 1.8 (GS). Near Copperton.
17  20 02 31.7* 40.669 N  112.441 W    0 G           1.2    7  UTAH. ML 1.9 (GS). Near Copperton.
17  21 59 25.3  40.307 N  107.828 W    0 G           0.8   12  COLORADO. ML 2.8 (GS). Near Craig.
18  18 11 54.4* 43.932 N  105.241 W    0 G           0.8    5  WYOMING. ML 2.7 (GS). South Powder River Basin.
18  18 57 00.7* 43.132 N  105.764 W    0 G           0.7    6  WYOMING. ML 2.5 (GS). NE of Casper.
18  19 57 11.9  40.521 N  112.168 W    0 G           0.5   11  UTAH. ML 1.9 (GS). Near Copperton.
18  20 24 19.0* 35.158 N  107.965 W    0 G           0.8    8  NEW MEXICO. ML 1.6 (GS). 5 miles W of Grants.
18  21 53 40.2? 31.73  N  108.46  W    0 G           0.8   10  NEW MEXICO-CHIHUAHUA BORDER REG. ML 2.7 (GS). S of Lordsburg.
18  22 14 13.2* 37.171 N   81.495 W    0 G           0.9    7  WEST VIRGINIA
18  22 19 58.7  39.503 N  111.160 W    0 G           0.7    9  UTAH. ML 1.2 (GS). Near Price.
18  23 43 17.6  38.064 N   81.443 W    0 G           1.0   10  WEST VIRGINIA. mbLg 2.7 (GS). Near Beckley.
19  01 16 36.2  40.613 N  112.189 W    0 G           0.7    8  UTAH. ML 1.5 (GS). Near Copperton.
19  11 48 14.3? 37.63  N   81.17  W    0 G           0.3    4  WEST VIRGINIA. mbLg 2.2 (GS). Near Beckley.
19  15 30 30.6  41.737 N  108.824 W    0 G           0.6   18  WYOMING. ML 2.6 (GS). Near Rock Springs.
19  16 56 30.9  41.794 N  108.816 W    0 G           0.5   14  WYOMING. ML 2.1 (GS). Near Rock Springs.
19  17 12 40.2  40.576 N  112.179 W    0 G           0.5    6  UTAH. ML 1.2 (GS). Near Copperton.
19  18 55 41.9  41.717 N  110.593 W    0 G           0.8    7  WYOMING. ML 1.5 (GS). Near Kemmerer.
19  20 15 39.4  40.551 N  112.161 W    0 G           0.6   11  UTAH. ML 2.0 (GS). Near Copperton.
19  20 54 24.6? 35.03  N  108.01  W    0 G           0.8    6  NEW MEXICO. ML 1.5 (GS). 15 miles SW of Grants.
19  21 10 50.7  44.078 N  105.307 W    0 G           0.7   12  WYOMING. ML 2.9 (GS). South Powder River Basin.
19  23 07 34.4* 38.484 N   81.055 W    0 G           0.3    7  WEST VIRGINIA. mbLg 2.6 (GS). 35 miles ENE of Charleston.
19  23 12 47.1  41.798 N  108.721 W    0 G           0.6   13  WYOMING. ML 2.5 (GS). Near Rock Springs.
20  18 25 10.2  40.539 N  112.184 W    0 G           0.8    6  UTAH. ML 1.5 (GS). Near Copperton.
20  18 26 46.0  41.807 N  108.773 W    0 G           0.8   11  WYOMING. ML 2.0 (GS). Near Rock Springs.
20  18 45 53.5* 40.643 N  112.201 W    0 G           0.6    5  UTAH. ML 1.1 (GS). Near Copperton.
20  18 52 35.1  41.722 N  110.585 W    0 G           0.5   13  WYOMING. ML 2.2 (GS). Near Kemmerer.
20  19 32 36.2? 36.43  N  108.59  W    0 G           0.7    7  NEW MEXICO
20  22 55 25.1  41.752 N  108.691 W    0 G           1.0   14  WYOMING. ML 2.4 (GS). Near Rock Springs.
21  15 02 44.9* 41.928 N  109.102 W    0 G           0.4    6  WYOMING. ML 1.3 (GS). Near Rock Springs.
21  16 51 30.1  40.495 N  107.541 W    0 G           0.6   14  COLORADO. ML 2.5 (GS). Near Craig.
21  19 52 48.0  37.678 N   81.380 W    0 G           0.3    7  WEST VIRGINIA. mbLg 2.3 (GS). Near Beckley.
21  20 04 07.9  42.672 N  111.578 W    0 G           0.4    7  EASTERN IDAHO. ML 1.5 (GS). Near Soda Springs.
21  20 11 50.0  40.590 N  112.203 W    0 G           0.7    8  UTAH. ML 1.7 (GS). Near Copperton.
21  21 02 46.1  40.624 N  112.174 W    0 G           0.5    6  UTAH. ML 1.3 (GS). Near Copperton.
21  21 30 06.2* 37.067 N  108.122 W    0 G           0.8    6  COLORADO. ML 1.4 (GS). Near Farmington, New Mexico.
21  22 07 43.2  40.309 N  107.785 W    0 G           0.9   20  COLORADO. ML 2.9 (GS). Near Craig.
22  17 17 05.2* 36.673 N  108.551 W    0 G           0.8    8  NEW MEXICO. ML 1.6 (GS). Near Farmington.
22  17 39 39.4? 35.91  N  110.29  W    0 G           1.0    6  EASTERN ARIZONA
22  18 12 34.7  40.630 N  112.169 W    0 G           0.6    6  UTAH. ML 1.3 (GS). Near Copperton.
22  18 29 47.9  40.566 N  112.205 W    0 G           0.6    8  UTAH. ML 1.6 (GS). Near Copperton.
22  18 47 53.0  41.818 N  110.648 W    0 G           0.9   18  WYOMING. ML 1.7 (GS). Near Kemmerer.
22  19 08 41.9  36.958 N  108.388 W    0 G           0.8   10  NEW MEXICO. ML 2.2 (GS). Near Farmington.
22  21 02 41.9* 40.449 N  106.840 W    0 G           0.8   10  COLORADO. ML 1.2 (GS). Near Steamboat Springs.
22  21 08 29.7  46.795 N  122.807 W    0 G           0.4    6  WASHINGTON. Near Centralia.
22  21 24 17.0* 40.580 N  112.192 W    0 G           0.4    5  UTAH. ML 1.5 (GS). Near Copperton.
22  22 21 47.6  41.800 N  108.911 W    0 G           0.6   17  WYOMING. ML 2.4 (GS). Near Rock Springs.
23  00 47 33.8  36.864 N  110.174 W    0 G           0.4    9  EASTERN ARIZONA. ML 2.3 (GS). Black Mesa.
23  09 59 01.9  37.193 N   81.924 W    0 G           0.6   11  WEST VIRGINIA. mbLg 3.4 (GS). (Possible rockburst).
23  16 39 58.0* 37.996 N   81.481 W    0 G           0.6    5  WEST VIRGINIA. mbLg 2.6 (GS). Near Beckley.
23  18 00 54.9  40.549 N  112.159 W    0 G           0.6    9  UTAH. ML 2.3 (GS). Near Copperton.
23  18 21 10.0* 37.828 N   81.315 W    0 G           0.2    6  WEST VIRGINIA. mbLg 3.1 (GS). Near Beckley.
23  21 12 10.7? 37.61  N   81.33  W    0 G           0.2    4  WEST VIRGINIA. mbLg 2.4 (GS). Near Beckley.
23  22 02 22.7  40.278 N  107.821 W    0 G           0.6   18  COLORADO. ML 2.9 (GS). Near Craig.
23  23 18 17.6* 43.583 N  105.194 W    0 G           0.6    6  WYOMING. ML 2.4 (GS).  South Powder River Basin.
24  17 03 30.8  40.546 N  112.202 W    0 G           0.4    7  UTAH. ML 1.6 (GS). Near Copperton.
24  17 26 31.0  41.770 N  108.651 W    0 G           0.9   18  WYOMING. ML 2.5 (GS). Near Rock Springs.
24  19 29 34.6  40.556 N  112.193 W    0 G           0.5   10  UTAH. ML 2.1 (GS). Near Copperton.
24  23 44 37.3  41.819 N  108.675 W    0 G           0.5   20  WYOMING. ML 2.5 (GS). Near Rock Springs.
25  03 31 47.8  40.447 N  106.932 W    0 G           0.6   16  COLORADO. ML 2.6 (GS). Near Steamboat Springs.
25  19 38 27.1  40.560 N  112.174 W    0 G           0.8    6  UTAH. ML 1.2 (GS). Near Copperton.
25  20 00 13.1  42.690 N  111.140 W    0 G           1.0    6  EASTERN IDAHO. ML 1.3 (GS). Near Soda Springs.
25  21 10 49.5* 43.340 N  104.833 W    0 G           0.7    7  WYOMING. ML 3.0 (GS). South Powder River Basin.
25  21 27 50.1  38.504 N   80.767 W    0 G           0.6    6  WEST VIRGINIA. mbLg 2.6 (GS). Near Richwood.
25  21 54 33.6  41.868 N  108.694 W    0 G           0.6    9  WYOMING. ML 1.9 (GS). Near Rock Springs.
25  22 29 02.8  46.790 N  122.816 W    0 G           0.5    8  WASHINGTON. Near Centralia.
26  12 18 03.3  38.065 N  112.119 W    0 G           0.3    6  UTAH. ML 1.2 (GS). near Escanlante.
26  15 31 13.6  40.584 N  112.172 W    0 G           0.5    7  UTAH. ML 1.4 (GS). Near Copperton.
26  17 56 47.4  40.642 N  112.138 W    0 G           0.6    6  UTAH. ML 1.4 (GS). Near Copperton.
26  18 19 13.6? 31.78  N  108.50  W    0 G           0.3    8  NEW MEXICO-CHIHUAHUA BORDER REG. ML 2.5 (GS). 40 miles SSE
                                                                of Lordsburg.
26  18 45 10.1  41.772 N  110.607 W    0 G           0.8   10  WYOMING. ML 1.8 (GS). Near Kemmerer.
26  19 12 56.6  40.546 N  112.164 W    0 G           0.4    7  UTAH. ML 1.5 (GS). Near Copperton.
26  21 13 46.9* 35.650 N  108.845 W    0 G           0.7    9  NEW MEXICO. ML 2.3 (GS). Near Gallup.
26  21 27 29.2  41.708 N  108.757 W    0 G           0.6   13  WYOMING. ML 2.8 (GS). Near Rock Springs.
27  17 10 06.3? 36.74  N  110.20  W    0 G           1.0    6  EASTERN ARIZONA. Black Mesa.
27  17 36 27.4? 40.63  N  112.14  W    0 G           0.1    4  UTAH. ML 1.2 (GS). Near Copperton.
27  17 40 39.7* 37.800 N   81.209 W    0 G           0.8    5  WEST VIRGINIA. mbLg 3.1 (GS). Near Beckley.
27  18 07 30.5? 41.88  N  108.85  W    0 G           0.8    4  WYOMING. ML 1.2 (GS). Near Rock Springs.
27  18 25 07.9  40.579 N  112.209 W    0 G           0.4    6  UTAH. ML 1.4 (GS). Near Copperton.
27  19 15 16.4  41.729 N  110.598 W    0 G           0.6    8  WYOMING. ML 1.6 (GS). Near Kemmerer.
27  20 02 16.4  40.824 N  107.038 W    0 G           0.8    8  COLORADO. ML 2.0 (GS).
27  20 32 52.5* 40.621 N  112.180 W    0 G           0.5    5  UTAH. ML 1.1 (GS). Near Copperton.
27  21 10 06.6  40.515 N  107.484 W    0 G           0.6   10  COLORADO. ML 2.2 (GS). Near Craig.
27  21 14 37.2  40.701 N  109.556 W    0 G           0.8   15  UTAH. ML 1.9 (GS). Near Vernal.
28  01 58 38.7  40.581 N  112.229 W    0 G           1.0    7  UTAH. ML 1.2 (GS). Near Copperton.
28  14 56 41.6? 36.90  N   82.64  W    0 G           0.5    4  TENNESSEE. mbLg 2.5 (GS). Near Big Stone Gap, Virginia.
28  17 18 28.5* 38.518 N  107.872 W    0 G           0.7    6  COLORADO. ML 2.8 (GS). near Montrose.
28  19 36 13.5  38.883 N  107.493 W    0 G           0.3    7  COLORADO. ML 1.5 (GS). 35 miles NE of Montrose.
28  20 34 16.4? 35.22  N  109.87  W    0 G           0.7    7  EASTERN ARIZONA. ML 2.3 (GS). 25 miles W of Chambers.
28  21 02 19.7? 35.89  N  108.73  W    0 G           0.5    6  NEW MEXICO. ML 1.5 (GS). Near Gallup.
28  21 41 50.2* 38.026 N   82.372 W    0 G           0.3    6  WEST VIRGINIA. mbLg 2.8 (GS). 25 miles NNW of Williamson.
28  22 11 30.9  39.929 N  107.263 W    0 G           0.5    6  COLORADO. ML 1.2 (GS). Near Burns.
29  18 05 11.0* 40.267 N  106.923 W    0 G           0.7    7  COLORADO. ML 1.1 (GS). Near Steamboat Springs.
29  18 42 39.4  40.558 N  112.205 W    0 G           0.6    8  UTAH. ML 1.3 (GS). Near Copperton.
29  19 11 21.3* 36.853 N  109.916 W    0 G           0.7    8  EASTERN ARIZONA. ML 2.2 (GS). Black Mesa.
29  20 18 30.1  46.746 N  122.790 W    0 G           0.4    7  WASHINGTON. Near Centralia.
29  21 11 19.6* 42.499 N  107.688 W    0 G           0.6    8  WYOMING. ML 2.4 (GS). Near Jeffrey City.
29  21 22 51.4? 35.52  N  109.26  W    0 G           0.6    6  EASTERN ARIZONA. ML 1.7 (GS). Near Gallup, New Mexico.
29  22 10 53.8  40.303 N  107.839 W    0 G           0.6   17  COLORADO. ML 2.6 (GS). Near Craig.
30  15 10 10.4  40.527 N  112.164 W    0 G           0.5   14  UTAH. ML 1.9 (GS). Near Copperton.
30  15 38 08.9  41.839 N  108.971 W    0 G           0.6   14  WYOMING. ML 2.2 (GS). Near Rock Springs.
30  22 02 25.2  41.844 N  108.753 W    0 G           0.8   11  WYOMING. ML 2.5 (GS). Near Rock Springs.
31  15 18 20.2  40.558 N  112.189 W    0 G           0.9    7  UTAH. ML 1.6 (GS). Near Copperton.
31  18 51 21.6  41.773 N  108.901 W    0 G           0.6    8  WYOMING. ML 2.5 (GS). Near Rock Springs.

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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