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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 JUL 2007  (189)

     ot  = 18:03:23.00   +/-   0.00         OFFSHORE VALPARAISO, CHILE      
     lat =     -32.618   +/-    0.0
     lon =     -71.518   +/-    0.0                                       
     dep =        30.5   +/-    0.0   

     50 km (30 miles) N of Valparaiso, Chile (pop 283,000)
     115 km (70 miles) SSW of Illapel, Chile (pop 21,000)
     120 km (75 miles) NW of SANTIAGO, Chile (pop 4,655,000)
     185 km (115 miles) NNW of Rancagua, Chile
 
     ML 2.8 (GUC).

     nph =    6 of  11    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
 ANTU iPc     18:03:43.96   0.1    1.2 142                                   ANTU
      iS      18:04:00.42  S res =  -0.1X
 LNV  eP      18:03:45.89   0.3    1.3 176                                   LNV 
 CMCH eP      18:03:49.00   1.0    1.5  17                                   CMCH
      iS      18:04:08.71  S res =  -0.4X
 CHCH eP      18:03:49.10   1.2    1.5 151                                   CHCH
      iS      18:04:08.46  S res =  -0.4X
 LMEL iPc     18:03:51.08   1.0    1.6 138                                   LMEL
      iS      18:04:12.64  S res =  -0.7X
 CACH eP      18:03:52.65   2.2    1.7 153                                   CACH
      eS      18:04:15.28  S res =   1.1X



 Generated 2007 JUL 15 at 16:51 UTC

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

 


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