Bulletin: August 2001

 
 
 
 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  8-01-EXP
GEOLOGICAL SURVEY                                                                                        SEP 22, 2001
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                        AUGUST 2001
 
 
  ORIGIN TIME       GEOGRAPHIC       DEPTH MAGNITUDE  SD  GAP  NO.   F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS
      UTC          COORDINATES                GS               STA
DAY HR MN SEC     LAT       LONG            MB  Msz            USED
 
01  20 21 34.3  33.137 N  109.418 W    0 G           0.5  169    8  EASTERN ARIZONA. ML 2.7 (GS). 25 miles NE of Safford.
02  00 11 02.4? 33.06  N  109.28  W    0 G           1.3  176    6  EASTERN ARIZONA. ML 2.5 (GS). 30 miles ENE of Safford.
02  18 01 53.0  43.938 N  105.491 W    0 G           0.5  146   10  WYOMING. ML 2.9 (GS). 25 miles S of Gillette.
02  20 03 13.4  43.856 N  105.490 W    0 G           0.4  141    9  WYOMING. ML 3.2 (GS). 30 miles S of Gillette.
03  17 59 58.7  43.660 N  105.383 W    0 G           0.9  121   10  WYOMING. ML 3.0 (GS). 45 miles S of Gillette.
03  19 58 29.7  43.821 N  105.385 W    0 G           0.6  138    7  WYOMING. ML 3.0 (GS). 35 miles S of Gillette.
03  23 36 47.1  33.082 N  109.378 W    0 G           0.5  173   10  EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford.
04  18 05 27.2  43.839 N  105.450 W    0 G           0.8  139    9  WYOMING. ML 2.8 (GS). 30 miles S of Gillette.
04  19 00 08.1* 43.722 N  105.298 W    0 G           0.8  174    7  WYOMING. ML 2.9 (GS). 40 miles SSE of Gillette.
06  22 21 01.7* 33.165 N  109.440 W    0 G           0.9  170    8  EASTERN ARIZONA. ML 2.7 (GS). 30 miles NE of Safford.
07  18 12 42.9  40.312 N  107.798 W    0 G           0.7   71   15  COLORADO. ML 2.6 (GS). 20 miles SW of Craig.
08  16 26 31.8  41.587 N  108.964 W    0 G           0.9   73   15  WYOMING. ML 2.3 (GS). 15 miles E of Rock Springs.
08  18 44 10.1  32.938 N  109.246 W    0 G           0.2  184    8  EASTERN ARIZONA. ML 2.5 (GS). 30 miles ENE of Safford.
08  21 09 27.5  33.052 N  109.346 W    0 G           0.4  175    9  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
09  20 06 21.2  43.711 N  105.426 W    0 G           0.5  131    7  WYOMING. ML 2.9 (GS). 40 miles S of Gillette.
10  05 12 06.4  38.945 N  107.478 W    1 G           0.8  142    6  COLORADO. ML 2.5 (GS). Possible collapse in a mine near
                                                                     Somerset?
10  18 20 59.9  43.663 N  105.235 W    0 G           0.7  124   10  WYOMING. ML 3.0 (GS). 45 miles SSE of Gillette.
11  22 08 19.3  40.322 N  107.764 W    0 G           0.6  133   14  COLORADO. ML 2.6 (GS). 15 miles SW of Craig.
12  18 00 31.7  43.730 N  105.245 W    0 G           0.8  123    9  WYOMING. ML 3.3 (GS). 40 miles SSE of Gillette.
13  18 01 56.0  43.736 N  105.298 W    0 G           1.2  138   14  WYOMING. ML 3.1 (GS). 40 miles SSE of Gillette.
13  20 03 20.1  43.798 N  105.315 W    0 G           0.7  128   15  WYOMING. ML 3.0 (GS). 35 miles SSE of Gillette.
13  20 38 43.2  33.303 N  109.536 W    0 G           0.8  157    8  EASTERN ARIZONA. ML 2.9 (GS). 35 miles NNE of Safford.
13  21 54 38.3  33.196 N  109.460 W    0 G           0.8  164    9  EASTERN ARIZONA. ML 2.8 (GS). 30 miles NNE of Safford.
14  20 21 28.8* 44.060 N  105.424 W    0 G           1.2  145    9  WYOMING. ML 3.1 (GS). 15 miles S of Gillette.
15  18 30 40.9  33.162 N  109.437 W    0 G           0.4  167    7  EASTERN ARIZONA. ML 2.5 (GS). 30 miles NE of Safford.
15  20 44 14.5  44.147 N  105.445 W    0 G           0.5  158   10  WYOMING. ML 3.1 (GS). 10 miles SSE of Gillette.
15  22 06 53.4  40.302 N  107.790 W    0 G           0.6  134   15  COLORADO. ML 2.9 (GS). 20 miles SW of Craig.
16  18 43 45.6  33.017 N  109.319 W    0 G           0.5  178    8  EASTERN ARIZONA. ML 2.7 (GS). 25 miles ENE of Safford.
17  18 17 07.2  43.692 N  105.254 W    0 G           0.6  126   11  WYOMING. ML 2.8 (GS). 40 miles SSE of Gillette.
17  20 28 25.0* 36.644 N  108.485 W    0 G           1.0  113    7  NEW MEXICO. ML 3.0 (GS). 15 miles WSW of Farmington.
17  22 40 59.0* 33.003 N  109.311 W    0 G           0.3  179    7  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
18  13 57 50.7  40.273 N  107.855 W    0 G           0.8   71   19  COLORADO. ML 3.3 (GS). 20 miles SW of Craig.
18  20 05 46.4  43.728 N  105.288 W    0 G           0.8  130   11  WYOMING. ML 3.1 (GS). 40 miles SSE of Gillette.
18  22 05 38.1  40.289 N  107.790 W    0 G           0.9   98   11  COLORADO. ML 2.4 (GS). 20 miles SW of Craig.
19  21 42 54.1  46.744 N  122.784 W    0 G           0.4  203    9  WASHINGTON. MD 2.9 (GS). 10 miles ENE of Centralia.
20  21 22 12.6* 33.071 N  109.337 W    0 G           0.2  187    6  EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford.
21  17 12 10.7  36.655 N  108.462 W    0 G           0.6  114    8  NEW MEXICO. ML 2.4 (GS). 15 miles WSW of Farmington.
21  18 04 25.3  44.000 N  105.574 W    0 G           0.7  148   10  WYOMING. ML 3.1 (GS). 20 miles S of Gillette.
21  18 41 46.2* 33.214 N  109.436 W    0 G           0.5  164    7  EASTERN ARIZONA. ML 2.5 (GS). 30 miles NNE of Safford.
22  16 00 11.4  35.507 N  107.638 W    0 G           0.6  120   14  NEW MEXICO. ML 2.8 (GS). 30 miles NNE of Grants.
22  18 00 24.6  43.733 N  105.271 W    0 G           0.6  131   11  WYOMING. ML 3.0 (GS). 40 miles SSE of Gillette.
22  19 04 56.2  33.031 N  109.346 W    0 G           0.4  176    9  EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
22  20 13 42.5  36.404 N  110.250 W    0 G           0.7  139    9  EASTERN ARIZONA. ML 2.7 (GS). 20 miles S of Kayenta.
22  21 07 43.4  43.508 N  105.221 W    0 G           0.4  170   10  WYOMING. ML 2.8 (GS). 50 miles N of Douglas.
22  21 14 39.6  33.038 N  109.324 W    0 G           0.4  176   10  EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
22  21 18 33.3  41.783 N  108.613 W    0 G           0.8  114   17  WYOMING. ML 2.7 (GS). 35 miles ENE of Rock Springs.
22  22 20 23.8  32.996 N  109.323 W    0 G           0.5  179    7  EASTERN ARIZONA. ML 2.5 (GS). 25 miles ENE of Safford.
23  17 18 01.6* 45.262 N  106.922 W    0 G           1.0  196    6  MONTANA. ML 2.5 (GS). 35 miles N of Sheridan, Wyoming.
23  17 51 52.5* 43.259 N  104.915 W    0 G           1.0  191    7  WYOMING. ML 2.8 (GS). 40 miles NE of Douglas.
23  18 35 54.0  41.806 N  108.739 W    0 G           1.2  112   25  WYOMING. ML 3.3 (GS). 30 miles ENE of Rock Springs.
23  18 48 16.2  41.620 N  108.655 W    0 G           0.7   79   20  WYOMING. ML 3.3 (GS). 30 miles E of Rock Springs.
23  20 06 32.0* 43.224 N  106.218 W    0 G           0.7  249   10  WYOMING. ML 2.6 (GS). 15 miles SSE of Midwest.
23  20 37 02.2  33.053 N  109.328 W    0 G           0.3  175    8  EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
24  14 38 37.7* 38.832 N  107.456 W    0 G           0.7  244    6  COLORADO. ML 2.5 (GS). 35 miles NE of Montrose.
24  21 56 05.6  32.997 N  109.280 W    0 G           0.7  180    8  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
24  22 52 31.6* 33.047 N  109.357 W    0 G           0.4  175    7  EASTERN ARIZONA. ML 2.2 (GS). 25 miles NE of Safford.
25  00 52 53.1  36.432 N  110.297 W    0 G           0.7   66   17  EASTERN ARIZONA. ML 2.5 (GS). 20 miles S of Kayenta.
25  20 01 21.6  43.836 N  105.338 W    0 G           0.6  137   16  WYOMING. ML 2.9 (GS). 30 miles SSE of Gillette.
25  20 32 29.6  41.856 N  108.510 W    0 G           0.7   90   12  WYOMING. ML 2.3 (GS). 40 miles ENE of Rock Springs.
26  16 37 38.8  40.290 N  107.797 W    0 G           0.8  134   13  COLORADO. ML 2.5 (GS). 20 miles SW of Craig.
27  22 04 12.9  40.257 N  107.813 W    0 G           0.6  147   10  COLORADO. ML 2.2 (GS). 20 miles SW of Craig.
28  18 52 19.0  33.054 N  109.315 W    0 G           0.5  113    9  EASTERN ARIZONA. ML 2.7 (GS). 25 miles ENE of Safford.
28  19 05 44.4  36.662 N  108.606 W    0 G           0.9  120   11  NEW MEXICO. ML 2.4 (GS). 25 miles W of Farmington.
28  19 30 41.9  33.010 N  109.325 W    0 G           0.3  178    8  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
29  18 17 58.5  33.053 N  109.356 W    0 G           0.5  175    8  EASTERN ARIZONA. ML 2.5 (GS). 25 miles NE of Safford.
29  21 45 53.6* 46.749 N  122.761 W    0 G           0.1  191    5  WASHINGTON. MD 3.3 (GS). 10 miles ENE of Centralia.
30  18 55 00.2  32.963 N  109.276 W    0 G           0.5  182    7  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
30  18 58 50.5  36.523 N  108.527 W    0 G           0.6  111    9  NEW MEXICO. ML 2.1 (GS). 20 miles SW of Farmington.
30  19 53 30.0  43.593 N  105.265 W    0 G           0.7  125   14  WYOMING. ML 3.2 (GS). 50 miles SSE of Gillette.
31  00 34 19.4  33.094 N  109.391 W    0 G           0.6  172    8  EASTERN ARIZONA. ML 2.6 (GS). 25 miles NE of Safford.
31  21 12 43.2  33.033 N  109.332 W    0 G           0.4  176    8  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
31  21 21 52.0  36.859 N  108.408 W    0 G           0.4  117   11  NEW MEXICO. ML 2.5 (GS). 15 miles NW of Farmington.


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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