Bulletin: December 1998

U.S. DEPARTMENT OF THE INTERIOR                                                                         NO. 12-98-EXP
GEOLOGICAL SURVEY                                                                                        APR  5, 1999
 
                                     PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
 
                                                       DECEMBER 1998
 
 
  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  20 48 53.2* 38.068 N   81.412 W    0 G           1.3    7  WEST VIRGINIA. mbLg 3.1 (GS). 25 miles (40 km) SSE of
                                                                Charleston, West Virginia.
02  21 17 19.2* 36.405 N  110.435 W    0 G           1.4    6  EASTERN ARIZONA. ML 2.6 (GS). 20 miles (40 km) SSW of
                                                                Kayenta, Arizona.
02  23 06 55.0  40.304 N  107.824 W    0 G           1.2   15  COLORADO. ML 2.8 (GS). 20 miles (30 km) SW of Craig,
                                                                Colorado.
05  16 27 12.4  41.795 N  108.772 W    0 G           1.0   15  WYOMING. ML 2.6 (GS). 25 miles (40 km) ENE of Rock Springs,
                                                                Wyoming.
05  23 05 04.0  40.428 N  107.826 W    0 G           1.3   11  COLORADO. ML 2.5 (GS). 15 miles (30 km) WSW of Craig,
                                                                Colorado.
07  23 01 28.5  40.338 N  107.784 W    0 G           1.4   13  COLORADO. ML 2.9 (GS). 15 miles (30 km) SW of Craig,
                                                                Colorado.
08  19 07 20.1* 36.620 N  108.432 W    0 G           0.9    7  NEW MEXICO. ML 2.9 (GS). 15 miles (20 km) WSW of Farmington,
                                                                New Mexico.
09  20 51 57.9  40.595 N  112.181 W    0 G           1.3   13  UTAH. ML 2.7 (GS). 10 miles (10 km) NE of Tooele, Utah.
09  23 50 00.1  40.246 N  107.779 W    0 G           1.1   12  COLORADO. ML 2.7 (GS). 20 miles (40 km) SSW of Craig,
                                                                Colorado.
10  19 05 57.4  36.463 N  110.339 W    0 G           1.3   10  EASTERN ARIZONA. ML 2.4 (GS). 20 miles (30 km) SSW of
                                                                Kayenta, Arizona.
10  21 43 25.7* 40.409 N  107.556 W    0 G           0.7    6  COLORADO. ML 2.5 (GS). 5 miles (10 km) S of Craig, Colorado.
10  22 48 55.2  40.564 N  109.686 W    0 G           1.3   10  UTAH. ML 2.4 (GS). 10 miles (20 km) NW of Vernal, Utah.
11  17 24 47.5  40.560 N  112.162 W    0 G           1.1   23  UTAH. ML 2.6 (GS). 5 miles (10 km) ENE of Tooele, Utah.
11  23 08 06.2  40.331 N  107.809 W    0 G           1.3   17  COLORADO. ML 2.9 (GS). 20 miles (30 km) SW of Craig,
                                                                Colorado.
14  23 01 59.9* 43.419 N  104.989 W    0 G           1.0    7  WYOMING. ML 2.7 (GS). 50 miles (80 km) SW of Newcastle,
                                                                Wyoming.
15  21 00 58.3* 32.827 N  109.495 W    0 G           1.4    8  EASTERN ARIZONA. ML 3.1 (GS). 10 miles (20 km) E of Safford,
                                                                Arizona.
15  21 35 40.0  43.722 N  105.266 W    0 G           0.8    9  WYOMING. ML 3.4 (GS). 40 miles (70 km) SSE of Gillette,
                                                                Wyoming.
15  22 54 19.9  40.617 N  109.450 W    0 G           1.4   10  UTAH. ML 2.5 (GS). 10 miles (20 km) NNE of Vernal, Utah.
15  22 57 30.2* 40.311 N  107.711 W    0 G           1.5    8  COLORADO. ML 2.5 (GS). 15 miles (30 km) SSW of Craig,
                                                                Colorado.
17  19 01 20.5* 32.619 N  109.334 W    0 G           1.3    8  EASTERN ARIZONA. ML 2.7 (GS). 25 miles (40 km) SE of
                                                                Safford, Arizona.
18  22 43 17.3  40.563 N  109.549 W    0 G           0.9   14  UTAH. ML 2.6 (GS). 5 miles (10 km) N of Vernal, Utah.
19  19 17 09.3  43.457 N  104.918 W    0 G           1.0   10  WYOMING. ML 3.0 (GS). 45 miles (70 km) SW of Newcastle,
                                                                Wyoming.
19  20 05 11.2  37.898 N   81.417 W    0 G           1.1    9  WEST VIRGINIA. mbLg 2.9 (GS). 15 miles (20 km) WNW of
                                                                Beckley, West Virginia.
21  16 20 55.2  40.527 N  112.181 W    0 G           1.2   20  UTAH. ML 2.4 (GS). 5 miles (10 km) E of Tooele, Utah.
21  20 03 17.4  41.832 N  108.896 W    0 G           1.1   17  WYOMING. ML 2.5 (GS). 25 miles (40 km) NE of Rock Springs,
                                                                Wyoming.
21  20 37 35.3* 32.803 N  109.679 W    0 G           1.3   10  EASTERN ARIZONA. ML 2.9 (GS). NEAR Safford, Arizona.
22  21 05 47.4  41.921 N  108.503 W    0 G           1.1   16  WYOMING. ML 2.6 (GS). 45 miles (70 km) ENE of Rock Springs,
                                                                Wyoming.
23  22 19 55.2* 35.703 N  108.947 W    0 G           0.8    7  NEW MEXICO. ML 2.3 (GS). 15 miles (30 km) NW of Gallup, New
                                                                Mexico.
23  23 20 51.1  40.246 N  107.868 W    0 G           1.1   14  COLORADO. ML 2.4 (GS). 25 miles (40 km) SW of Craig,
                                                                Colorado.
26  23 08 30.4* 35.453 N  108.975 W    0 G           1.2    9  NEW MEXICO. ML 2.3 (GS). 15 miles (20 km) WSW of Gallup, New
                                                                Mexico.
27  23 02 55.6  40.268 N  107.882 W    0 G           1.5   13  COLORADO. ML 2.5 (GS). 25 miles (40 km) SW of Craig,
                                                                Colorado.
30  22 32 11.2  41.653 N  108.778 W    0 G           0.9   17  WYOMING. ML 2.9 (GS). 20 miles (40 km) ENE of Rock Springs,
                                                                Wyoming.
30  22 34 03.0  41.946 N  108.907 W    0 G           1.1   14  WYOMING. ML 2.7 (GS). 30 miles (50 km) NNE of Rock Springs,
                                                                Wyoming.
30  23 01 27.8  40.332 N  107.770 W    0 G           1.3   16  COLORADO. ML 3.0 (GS). 15 miles (30 km) SW of Craig,
                                                                Colorado.
31  18 18 16.0  36.404 N  110.443 W    0 G           1.3    9  EASTERN ARIZONA. ML 2.4 (GS). 25 miles (40 km) SSW of
                                                                Kayenta, Arizona.

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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