U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  2-03-EXP
GEOLOGICAL SURVEY                                                                                        MAR 17, 2003
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                       FEBRUARY 2003
 
 
  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  MS             USED                                                
 
05  17 27 17.9  41.563 N  110.455 W    0 G           0.9  175   13  WYOMING. ML 2.0 (GS).
12  18 59 27.4  43.788 N  105.337 W    0 G           0.7  130   22  WYOMING. ML 3.5 (GS).