Bulletin: December 2000
U.S. DEPARTMENT OF THE INTERIOR NO. 12-00-EXP
GEOLOGICAL SURVEY JAN 19, 2001
ROUTINE MINING SEISMICITY IN THE UNITED STATES
DECEMBER 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
02 20 02 21.1 43.709 N 105.257 W 0 G 0.9 9 WYOMING. ML 2.9 (GS). 40 miles SSE of Gillette.
02 23 03 00.4 40.304 N 108.048 W 0 G 1.0 12 COLORADO. ML 2.7 (GS). 30 miles WSW of Craig.
02 23 18 05.3 41.653 N 108.627 W 0 G 0.6 16 WYOMING. ML 2.8 (GS). 30 miles E of Rock Springs.
04 18 57 31.4* 36.379 N 110.299 W 0 G 0.8 8 EASTERN ARIZONA. ML 2.7 (GS). 25 miles S of Kayenta.
04 20 57 43.8 33.049 N 109.343 W 0 G 0.6 8 EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
04 21 34 32.2 45.159 N 106.826 W 0 G 0.8 11 MONTANA. ML 2.8 (GS). 25 miles NNE of Sheridan, Wyoming.
04 21 44 10.7 44.144 N 105.418 W 0 G 0.7 17 WYOMING. ML 3.5 (GS). 10 miles SSE of Gillette.
05 20 15 18.4* 33.028 N 109.236 W 0 G 0.8 5 EASTERN ARIZONA. ML 3.0 (GS). 30 miles ENE of Safford.
06 22 03 21.0* 43.783 N 105.403 W 0 G 1.1 10 WYOMING. ML 2.9 (GS). 35 miles S of Gillette.
09 19 59 05.2 44.068 N 105.335 W 0 G 1.0 9 WYOMING. ML 2.7 (GS). 15 miles SSE of Gillette.
10 18 00 20.4* 35.681 N 107.348 W 0 G 0.8 5 NEW MEXICO. ML 2.8 (GS). 30 miles SW of Cuba.
11 21 44 38.8 41.866 N 108.544 W 0 G 0.6 8 WYOMING. ML 2.3 (GS). 40 miles ENE of Rock Springs.
12 21 33 14.2 33.198 N 109.349 W 0 G 1.0 7 EASTERN ARIZONA. ML 3.0 (GS). 35 miles NE of Safford.
13 17 39 34.2* 41.841 N 108.832 W 0 G 0.6 8 WYOMING. ML 2.3 (GS). 25 miles NE of Rock Springs.
13 21 02 34.9* 33.013 N 109.384 W 0 G 0.4 6 EASTERN ARIZONA. ML 3.2 (GS). 20 miles ENE of Safford.
13 21 59 25.1* 33.064 N 109.379 W 0 G 0.6 8 EASTERN ARIZONA. ML 3.4 (GS). 25 miles NE of Safford.
15 21 52 19.7 44.031 N 105.355 W 0 G 0.6 8 WYOMING. ML 3.3 (GS). 20 miles SSE of Gillette.
18 22 47 47.8? 33.13 N 109.39 W 0 G 0.3 4 EASTERN ARIZONA. ML 2.6 (GS). 30 miles NE of Safford.
19 19 21 13.8 45.070 N 106.878 W 0 G 0.8 9 MONTANA. ML 2.7 (GS). 20 miles NNE of Sheridan, Wyoming.
21 19 05 33.4 43.815 N 105.294 W 0 G 0.6 12 WYOMING. ML 2.7 (GS). 35 miles SSE of Gillette.
21 23 38 11.3 41.681 N 108.652 W 0 G 0.5 22 WYOMING. ML 3.0 (GS). 30 miles ENE of Rock Springs.
21 23 50 20.7 33.339 N 109.235 W 0 G 0.6 6 EASTERN ARIZONA. ML 2.8 (GS). 40 miles SW of Reserve, New
Mexico.
22 16 33 52.7 40.532 N 112.145 W 0 G 0.6 15 UTAH. ML 2.5 (GS). 5 miles E of Tooele.
22 23 08 31.2 41.874 N 108.752 W 0 G 1.0 10 WYOMING. ML 2.2 (GS). 30 miles NE of Rock Springs.
23 18 32 42.3 41.820 N 108.779 W 0 G 0.6 10 WYOMING. ML 2.4 (GS). 25 miles NE of Rock Springs.
23 20 06 39.1 33.039 N 109.361 W 0 G 0.5 6 EASTERN ARIZONA. ML 2.9 (GS). 25 miles NE of Safford.
23 21 48 07.0* 33.054 N 109.376 W 0 G 0.3 5 EASTERN ARIZONA. ML 2.7 (GS). 25 miles NE of Safford.
26 20 53 26.7 33.049 N 109.349 W 0 G 0.4 6 EASTERN ARIZONA. ML 3.1 (GS). 25 miles NE of Safford.
26 22 13 25.7 45.369 N 106.854 W 0 G 0.6 11 MONTANA. ML 3.0 (GS). 40 miles SSW of Colstrip.
26 23 01 20.9* 43.694 N 105.249 W 0 G 0.6 5 WYOMING. ML 2.5 (GS). 45 miles SSE of Gillette.
26 23 06 04.2 33.092 N 109.403 W 0 G 0.9 6 EASTERN ARIZONA. ML 2.7 (GS). 25 miles NE of Safford.
27 18 59 46.5* 32.984 N 109.288 W 0 G 0.5 6 EASTERN ARIZONA. ML 2.8 (GS). 25 miles ENE of Safford.
28 21 04 59.7* 45.057 N 106.725 W 0 G 0.7 6 MONTANA. ML 2.6 (GS). 20 miles NNE of Sheridan, Wyoming.
28 21 14 22.9* 43.588 N 105.227 W 0 G 1.2 7 WYOMING. ML 2.8 (GS). 50 miles SSE of Gillette.
28 21 37 28.9* 33.096 N 109.293 W 0 G 0.8 6 EASTERN ARIZONA. ML 2.7 (GS). 30 miles NE of Safford.
29 20 33 57.9 33.057 N 109.355 W 0 G 0.5 8 EASTERN ARIZONA. ML 2.4 (GS). 25 miles NE of Safford.
30 20 10 45.7 45.017 N 107.001 W 0 G 0.5 8 MONTANA. ML 2.7 (GS). 15 miles N of Sheridan, Wyoming.
30 23 00 11.6* 40.441 N 108.017 W 0 G 1.1 6 COLORADO. ML 2.2 (GS). 25 miles WSW 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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