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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      3 JUL 2007  (184)

     ot  = 19:30:06.68   +/-   0.53              SOUTH SANDWICH ISLANDS REGION   
     lat =     -55.297   +/-   14.5
     lon =     -28.326   +/-    8.9              MAGNITUDE 4.4 (GS)       
     dep =        10.0  (geophysicist)

     170 km (105 miles) NNW of Visokoi Island, South Sandwich Islands
     425 km (265 miles) NNW of Bristol Island, South Sandwich Islands
     540 km (335 miles) ESE of Grytviken, South Georgia
     3270 km (2030 miles) SE of BUENOS AIRES, Argentina

     nph =   14 of  14    se = 0.83    FE=153                            B   

     error ellipse = (189.6,  0.0, 19.4; 99.6,  0.0, 11.5;  0.0,  0.0,  0.0)

 mb = 4.4 (  9)  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 qP      19:36:02.04   0.7   28.4 293 b:3.8+0 .80 4.2                   TRQA
 CPUP qP      19:37:06.17   0.0   35.8 312 b:7.6+0 .71 4.7                   CPUP
 LVC  eP      19:38:16.39  -0.9   44.4 301 b:4.3+0 .76 4.4                   LVC 
 BOSA eP      19:38:34.08   0.6   46.4  78 b:5.6+0 1.0 4.5                   BOSA
 VNDA eP      19:38:39.33  -0.2   47.3 183 b:2.5+0 .83 4.3                   VNDA
 LBTB eP      19:38:57.83   1.1   49.4  75 b:3.6+0 .90 4.4                   LBTB
 LPAZ eP      19:38:58.53   1.2   49.4 306 b:4.2+0 .98 4.4                   LPAZ
 LSZ  qP      19:40:04.45  -0.2   58.7  70 b:2.0+0 .90 4.2                   LSZ 
 DBIC qP      19:40:44.79  -0.3   64.8  26 b:8.8+0 1.1 4.8                   DBIC
 OTAV qP      19:41:11.18   0.3   68.7 305                                   OTAV
 TOA0 eP      19:41:33.78  -1.3   72.7  31                                   TOA0
 INK  ePKPdf  19:49:41.00  -1.1  144.8 321                                   INK 
 DAWY ePKPdf  19:49:44.19   0.2  145.8 313                                   DAWY
 MCK  ePKPbc  19:49:55.40   0.1  149.8 310                                   MCK 



 Generated 2007 JUL  4 at 18:01 UTC

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

 


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