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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 JUL 2007  (183)

     ot  = 17:10:37.45   +/-   0.91              TONGA                           
     lat =     -15.093   +/-   54.7
     lon =    -175.290   +/-   22.5                                       
     dep =       250.0  (geophysicist)

     190 km (120 miles) WNW of Hihifo, Tonga
     220 km (135 miles) SSE of MATA'UTU, Ile Uvea, Wallis and Futuna
     670 km (415 miles) N of NUKU'ALOFA, Tonga
     2610 km (1620 miles) NNE of Auckland, New Zealand

     nph =    7 of  10    se = 0.53    FE=173                            C   

     error ellipse = (159.2,  0.0, 77.6; 69.2,  0.0, 12.7;  0.0,  0.0,  0.0)

 mb = 3.6 (  1)  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
 AFI  ePn     17:11:36.59  -0.1    3.6  71                                   AFI 
      qS      17:12:19.60  S res =  -4.1X
 WRA  P       17:18:52.36  -0.6   48.1 257                                   WRA 
      PcP     17:20:16.03  -0.3X
 WRAB eP      17:18:53.19   0.3   48.1 257 b:2.2+0 .77 3.6                   WRAB
 ASAR P       17:18:55.85   0.4   48.5 252                                   ASAR
      PcP     17:20:16.85  -0.7X
 NVAR P       17:21:54.38   0.6   75.3  43                                   NVAR
 ARCESPKP     17:29:05.18  -0.3  124.0 351                                   ARCE
 GERESPKPbc   17:29:46.29  -0.3  145.5 349                                   GERE



 Generated 2007 JUL 23 at 19:51 UTC

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

 


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