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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      6 JUL 2007  (187)

     ot  = 03:04:38.76   +/-   0.00        VIRGIN ISLANDS REGION           
     lat =      18.795   +/-    0.0
     lon =     -64.775   +/-    0.0                                       
     dep =        79.3   +/-    0.0   

     45 km (30 miles) NNW of ROAD TOWN, British Virgin Islands (pop 4,000)
     50 km (30 miles) NNE of CHARLOTTE AMALIE, US Virgin Islands (pop 11,000)
     105 km (65 miles) ENE of Fajardo, Puerto Rico (pop 33,000)
     145 km (90 miles) ENE of SAN JUAN, Puerto Rico (pop 421,000)
 
     MD 3.1 (RSPR).

     nph =    7 of  11    se = 0.00    FE=091                            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
 MTP  ePc     03:04:57.57  -0.4    1.0 227                                   MTP 
      eS      03:05:12.39  S res =   0.0X
 CBYP ePc     03:04:58.99  -0.7    1.2 243                                   CBYP
      eS      03:05:14.46  S res =  -0.9X
 CPD  ePd     03:05:00.53  -1.2    1.3 235                                   CPD 
      eS      03:05:18.39  S res =  -0.7X
 SJG  ePd     03:05:02.32  -1.4    1.5 243                                   SJG 
 CELP ePc     03:05:08.06  -0.7    1.9 248                                   CELP
      eS      03:05:31.18  S res =  -0.4X
 LRS  ePc     03:05:11.34   0.3    2.0 256                                   LRS 
 CRPR ePd     03:05:15.17  -0.2    2.4 251                                   CRPR



 Generated 2007 JUL 21 at 03:20 UTC

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

 


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