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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      6 JUL 2007  (187)

     ot  = 03:08:34.27   +/-   8.33              SOUTH SANDWICH ISLANDS REGION   
     lat =     -59.874   +/-   14.4
     lon =     -26.653   +/-   22.8                                       
     dep =        89.1   +/-   73.4   

     100 km (60 miles) S of Bristol Island, South Sandwich Islands (pop N/A)
     355 km (220 miles) S of Visokoi Island, South Sandwich Islands
     855 km (540 miles) SE of Grytviken, South Georgia
     3645 km (2260 miles) SSE of BUENOS AIRES, Argentina

     nph =    9 of   9    se = 0.70    FE=153                            C   

     error ellipse = (258.6, 77.2,117.6; 63.5, 12.4, 26.7;154.2,  3.2, 20.6)

 mb = 3.8 (  3)  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
 TRQA eP      03:14:45.53   0.3   31.2 298 b:1.5+0 .58 3.9                   TRQA
 VNDA eP      03:16:22.42   0.4   42.8 183 b:4.1-1 .63 3.4                   VNDA
 LPAZ eP      03:17:40.91  -0.6   52.9 307 b:6.7-1 .53 3.9                   LPAZ
 TOA0 eP      03:20:12.96  -0.3   76.3  28                                   TOA0
 TORD P       03:20:13.35   0.1   76.3  28                                   TORD
 ASAR P       03:21:47.05  -0.9   95.2 162                                   ASAR
 LOHW ePKPdf  03:27:20.64  -0.1  123.7 300                                   LOHW
 ARCESPKP     03:27:40.97   1.0  134.4  23                                   ARCE
 SONM PKPbc   03:28:14.54   0.1  150.5  93                                   SONM



 Generated 2007 JUL 21 at 03:56 UTC

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

 


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