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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      3 JUL 2007  (184)

     ot  = 07:17:32.67   +/-   0.00        VIRGIN ISLANDS REGION           
     lat =      18.846   +/-    0.0
     lon =     -63.796   +/-    0.0                                       
     dep =        20.0   +/-    0.0   

     95 km (60 miles) WNW of THE VALLEY, Anguilla (pop 1,000)
     100 km (60 miles) ENE of ROAD TOWN, British Virgin Islands (pop 4,000)
     130 km (80 miles) ENE of CHARLOTTE AMALIE, US Virgin Islands (pop 11,000)
     250 km (155 miles) E of SAN JUAN, Puerto Rico
 
     MD 3.3 (RSPR).

     nph =    4 of   7    se = 0.00    FE=092                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 TBVI ePc     07:17:46.72  -2.6    0.9 241                                   TBVI
      eS      07:17:58.31  S res =  -2.4X
 MTP  ePd     07:18:00.19  -2.8    1.8 246                                   MTP 
      eS      07:18:22.58  S res =  -3.1X
 HUMP ePd     07:18:04.39  -1.9    2.1 251                                   HUMP
 CPD  ePd     07:18:05.28  -2.4    2.2 249                                   CPD 
      eS      07:18:30.87  S res =  -3.1X



 Generated 2007 JUL 29 at 23:24 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

 


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