Bulletin: April 2000

 
 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  4-00-EXP
GEOLOGICAL SURVEY                                                                                        MAY 26, 2000
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                         APRIL 2000
 
 
  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  01 26 08.3  40.290 N  107.865 W    0 G           0.6   19  COLORADO. ML 3.2 (GS). 25 miles SW of Craig.
01  18 10 38.2  41.766 N  108.597 W    0 G           0.5   18  WYOMING. ML 2.5 (GS). 35 miles ENE of Rock Springs.
02  15 32 58.8  40.547 N  112.188 W    0 G           0.6   19  UTAH. ML 1.9 (GS). near Tooele.
03  19 24 10.6  41.718 N  110.679 W    0 G           0.5   14  WYOMING. ML 2.1 (GS). 35 miles NNE of Evanston.
03  20 18 39.1  35.544 N  108.956 W    0 G           0.7    7  NEW MEXICO. ML 1.9 (GS). 15 miles W of Gallup.
03  22 31 54.9  33.000 N  109.318 W    0 G           0.5    9  EASTERN ARIZONA. ML 2.9 (GS). 25 miles ENE of Safford.
04  14 54 41.0* 43.555 N  104.797 W    0 G           1.0    5  WYOMING. ML 2.4 (GS). 35 miles SW of Newcastle.
04  18 49 49.0* 32.635 N  109.072 W    0 G           0.6    7  EASTERN ARIZONA. ML 2.4 (GS). 30 miles NW of Lordsburg.
04  20 48 06.1  33.045 N  109.332 W    0 G           0.6   12  EASTERN ARIZONA. ML 3.0 (GS). 25 miles ENE of Safford.
04  20 53 57.3  36.378 N  110.218 W    0 G           0.5   15  EASTERN ARIZONA. ML 2.7 (GS). 25 miles S of Kayenta.
05  19 04 42.9  33.025 N  109.301 W    0 G           0.8    9  EASTERN ARIZONA. ML 2.6 (GS). 25 miles ENE of Safford.
05  21 30 09.4* 33.075 N  109.408 W    0 G           0.5    6  EASTERN ARIZONA. ML 2.4 (GS). 25 miles NE of Safford.
05  22 07 51.9  40.372 N  107.890 W    0 G           1.1   13  COLORADO. ML 2.6 (GS). 20 miles WSW of Craig.
06  00 50 55.5  36.340 N  110.269 W    0 G           0.5    9  EASTERN ARIZONA. ML 2.2 (GS). 25 miles S of Kayenta.
06  16 17 12.0  41.696 N  110.539 W    0 G           0.6   20  WYOMING. ML 2.2 (GS). 35 miles NE of Evanston.
06  16 59 03.9  40.274 N  107.672 W    0 G           0.6   14  COLORADO. ML 2.5 (GS). 20 miles SSW of Craig.
06  18 02 54.4* 43.589 N  105.138 W    0 G           1.2    6  WYOMING. ML 2.6 (GS). 50 miles WSW of Newcastle.
06  20 29 25.1* 32.741 N  108.479 W    0 G           0.8    6  NEW MEXICO. ML 1.9 (GS). 10 miles W of Silver City.
06  20 53 43.1* 32.988 N  109.326 W    0 G           0.3    6  EASTERN ARIZONA. ML 2.5 (GS). 25 miles ENE of Safford.
06  21 21 24.6* 37.977 N   81.408 W    0 G           0.6    5  WEST VIRGINIA. mbLg 3.0 (GS). 20 miles NW of Beckley.
06  22 34 16.4* 32.831 N  109.200 W    0 G           0.2    6  EASTERN ARIZONA. ML 2.6 (GS). 30 miles E of Safford.
06  23 57 55.2  40.239 N  107.853 W    0 G           0.6   14  COLORADO. ML 3.0 (GS). 25 miles SW of Craig.
07  19 03 37.8* 45.573 N  106.839 W    0 G           0.7   12  MONTANA. ML 2.6 (GS). 25 miles SSW of Colstrip.
07  19 46 28.8  33.134 N  109.418 W    0 G           0.4   11  EASTERN ARIZONA. ML 3.2 (GS). 25 miles NE of Safford.
07  21 08 42.5* 36.347 N  110.249 W    0 G           0.9    7  EASTERN ARIZONA. ML 2.2 (GS). 25 miles S of Kayenta.
07  21 50 08.0* 32.789 N  109.085 W    0 G           0.5    5  EASTERN ARIZONA. ML 2.7 (GS). 35 miles E of Safford.
07  22 07 55.5  40.272 N  107.864 W    0 G           0.9   12  COLORADO. ML 3.0 (GS). 25 miles SW of Craig.
08  04 04 28.6  38.827 N  107.512 W    0 G           1.1    7  COLORADO. ML 2.1 (GS). 30 miles NE of Montrose.
09  18 07 17.5* 43.598 N  105.328 W    0 G           1.2    9  WYOMING. ML 3.0 (GS). 50 miles S of Gillette.
10  22 07 52.2  40.320 N  107.754 W    0 G           0.7   16  COLORADO. ML 2.6 (GS). 15 miles SW of Craig.
11  22 07 06.7  46.703 N  122.768 W    0 G           0.4    6  WASHINGTON. MD 3.0 (GS). 10 miles E of Centralia.
12  00 07 46.8  41.906 N  108.773 W    0 G           0.8   11  WYOMING. ML 2.3 (GS). 30 miles NE of Rock Springs.
12  19 39 05.1* 32.961 N  109.261 W    0 G           1.2    5  EASTERN ARIZONA. ML 3.1 (GS). 25 miles ENE of Safford.
12  20 58 15.6  40.667 N  109.525 W    0 G           0.7   15  UTAH. ML 2.2 (GS). 15 miles N of Vernal.
13  21 59 47.7  46.729 N  122.749 W    0 G           0.3    7  WASHINGTON. MD 3.0 (GS). 10 miles E of Centralia.
13  22 12 35.6  40.365 N  107.731 W    0 G           0.7   11  COLORADO. ML 2.8 (GS). 15 miles SW of Craig.
14  15 57 20.9  41.755 N  108.755 W    0 G           0.9   14  WYOMING. ML 2.3 (GS). 25 miles ENE of Rock Springs.
14  18 49 30.1  41.724 N  110.644 W    0 G           0.3   14  WYOMING. ML 2.1 (GS). 35 miles NNE of Evanston.
14  21 57 43.4? 43.46  N  105.28  W    0 G           0.9    4  WYOMING. ML 2.4 (GS). 50 miles N of Douglas.
14  23 37 45.5  40.387 N  107.764 W    0 G           1.0   16  COLORADO. ML 2.8 (GS). 15 miles SW of Craig.
15  01 57 13.2  38.817 N  107.484 W    0 G           0.4   10  COLORADO. ML 2.4 (GS). 30 miles NE of Montrose.
15  19 04 54.6? 43.88  N  104.86  W    0 G           0.8    7  WYOMING. ML 2.8 (GS). 35 miles W of Newcastle.
16  22 14 24.8  40.340 N  107.801 W    0 G           0.5   15  COLORADO. ML 2.9 (GS). 20 miles SW of Craig.
17  17 13 53.1* 32.671 N  109.110 W    0 G           0.5    7  EASTERN ARIZONA. ML 3.1 (GS). 30 miles NW of Lordsburg.
17  19 02 45.2  32.967 N  109.250 W    0 G           0.9    7  EASTERN ARIZONA. ML 2.5 (GS). 30 miles ENE of Safford.
17  21 17 16.4* 46.773 N  122.783 W    0 G           0.1    5  WASHINGTON. MD 2.9 (GS). 10 miles ENE of Centralia.
17  21 41 49.1* 40.717 N  109.186 W    0 G           0.8    6  UTAH. ML 2.4 (GS). 25 miles NE of Vernal.
18  17 48 26.1  41.681 N  108.616 W    0 G           0.7   22  WYOMING. ML 3.4 (GS). 30 miles ENE of Rock Springs.
18  21 25 30.8* 32.947 N  109.309 W    0 G           1.3    6  EASTERN ARIZONA. ML 2.5 (GS). 25 miles ENE of Safford.
19  18 10 46.0* 45.841 N  106.855 W    0 G           0.6    6  MONTANA. ML 2.4 (GS). 10 miles WSW of Colstrip.
19  20 17 16.2* 32.855 N  109.364 W    0 G           1.3    6  EASTERN ARIZONA. ML 2.5 (GS). 20 miles E of Safford.
19  20 49 06.2  39.708 N  110.861 W    0 G           1.2    8  UTAH. ML 2.2 (GS). 10 miles NNW of Price.
20  17 11 36.2  39.403 N  111.208 W    0 G           0.8   15  UTAH. ML 2.5 (GS). 25 miles WSW of Price.
20  20 46 02.7* 33.327 N  109.535 W    0 G           0.8    6  EASTERN ARIZONA. ML 2.7 (GS). 35 miles NNE of Safford.
21  20 20 31.2  33.027 N  109.336 W    0 G           0.6    7  EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
21  21 47 34.5  40.610 N  109.544 W    0 G           0.6   13  UTAH. ML 2.4 (GS). 10 miles N of Vernal.
21  21 52 30.2  46.731 N  122.777 W    0 G           0.5    7  WASHINGTON. MD 3.1 (GS). 10 miles E of Centralia.
23  20 45 11.1  44.127 N  105.477 W    0 G           0.5   12  WYOMING. ML 3.1 (GS). 10 miles S of Gillette.
23  22 09 45.6  40.327 N  107.881 W    0 G           0.7   14  COLORADO. ML 3.1 (GS). 20 miles SW of Craig.
24  19 51 05.6* 33.053 N  109.360 W    0 G           0.5    6  EASTERN ARIZONA. ML 2.2 (GS). 25 miles NE of Safford.
24  22 07 23.5  41.738 N  108.771 W    0 G           0.9   10  WYOMING. ML 2.4 (GS). 25 miles ENE of Rock Springs.
25  14 45 28.9* 36.239 N  110.220 W    0 G           1.5    5  EASTERN ARIZONA. ML 2.2 (GS). 35 miles S of Kayenta.
25  22 10 39.3  40.340 N  107.796 W    0 G           0.6   14  COLORADO. ML 3.3 (GS). 20 miles SW of Craig.
27  00 01 03.8  41.790 N  108.703 W    0 G           1.0   14  WYOMING. ML 2.9 (GS). 30 miles ENE of Rock Springs.
27  18 02 48.5  43.503 N  105.137 W    0 G           0.4    9  WYOMING. ML 3.3 (GS). 50 miles WSW of Newcastle.
27  19 48 31.8? 33.11  N  109.40  W    0 G           1.0    4  EASTERN ARIZONA. ML 3.1 (GS). 25 miles NE of Safford.
28  18 11 06.5  33.008 N  109.338 W    0 G           0.7    7  EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
29  20 10 48.3  41.844 N  108.725 W    0 G           0.8    9  WYOMING. ML 2.4 (GS). 30 miles NE of Rock Springs.
30  20 51 34.5* 41.854 N  108.980 W    0 G           1.1    8  WYOMING. ML 2.1 (GS). 20 miles NNE of Rock Springs.
30  22 08 25.5  40.294 N  107.801 W    0 G           0.8   11  COLORADO. ML 2.9 (GS). 20 miles SW of Craig.

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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