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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     20 JUL 2007  (201)

     ot  = 02:57:26.10   +/-   0.00         OFFSHORE VALPARAISO, CHILE      
     lat =     -32.663   +/-    0.0
     lon =     -71.732   +/-    0.0                                       
     dep =        20.3   +/-    0.0   

     45 km (30 miles) NNW of Valparaiso, Chile (pop 283,000)
     125 km (80 miles) SSW of Illapel, Chile (pop 21,000)
     130 km (80 miles) NW of SANTIAGO, Chile (pop 4,655,000)
     190 km (120 miles) NNW of Rancagua, Chile
 
     ML 3.6 (GUC).

     nph =   13 of  26    se = 0.00    FE=135                            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
 IHA  iPd     02:57:33.94  -0.1    0.4 168                                   IHA 
      iS      02:57:39.49  S res =   0.2X
 ROCH iPc     02:57:39.29  -0.1    0.7 117                                   ROCH
      iS      02:57:48.95  S res =   0.4X
 LCCH iPc     02:57:40.88  -0.8    0.8 170                                   LCCH
      iS      02:57:51.82  S res =  -0.5X
 JACH iPc     02:57:43.33  -0.8    1.0  91                                   JACH
      iS      02:57:56.13  S res =  -0.3X
 TACH iPc     02:57:46.89  -0.8    1.2 146                                   TACH
      iS      02:58:02.21  S res =  -0.8X
 SAN  iPd     02:57:47.35  -0.4    1.2 132                                   SAN 
      iS      02:58:03.13  S res =   0.0X
 LNV  iPc     02:57:47.94  -1.4    1.3 168                                   LNV 
      iS      02:58:05.36  S res =  -1.0X
 ANTU eP      02:57:48.55  -0.5    1.3 135                                   ANTU
      iS      02:58:05.52  S res =  -0.2X
 PCH  iPc     02:57:50.50  -0.1    1.4 133                                   PCH 
      iS      02:58:08.79  S res =  -0.3X
 SJCH iPc     02:57:52.18   0.1    1.5 131                                   SJCH
      iS      02:58:11.92  S res =  -0.4X
 LMEL iPd     02:57:55.71   0.4    1.7 133                                   LMEL
      iS      02:58:18.55  S res =  -0.5X
 CACH iPc     02:57:56.13   0.9    1.7 147                                   CACH
      eS      02:58:19.27  S res =   0.6X
 SFDO P       02:57:59.16  -0.1    2.0 163                                   SFDO
      iS      02:58:26.59  S res =  -0.8X



 Generated 2007 JUL 26 at 05:27 UTC

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

 


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