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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     16 JUL 2007  (197)

     ot  = 23:15:46.00   +/-   0.00         GREATER LOS ANGELES AREA, CALIF.
     lat =      33.876   +/-    0.0
     lon =    -117.770   +/-    0.0                                       
     dep =         3.6   +/-    0.0   

     15 km (10 miles) NNE of Santa Ana, California (pop 337,000)
     20 km (10 miles) W of Corona, California (pop 124,000)
     25 km (15 miles) NNE of Irvine, California (pop 143,000)
     620 km (385 miles) SE of SACRAMENTO, California
 
     ML 2.3 (PAS). Felt (III) at Anaheim and Placentia; (II) at Yorba
     Linda. Also felt at Orange.

     nph =    4 of   8    se = 0.00    FE=043                            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 = 1.8 (  4)  mblg = 0.0 (  0)  md = 3.1 (  4)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MWC  eP      23:15:53.83  -0.3    0.4 326 d:5.7+1     2.8  L:1.0-1 .53 1.5  MWC 
      eS      23:16:00.24  S res =   0.6X
 PFO  eP      23:16:06.72  -0.9    1.1 103 d:5.2+1     3.0  L:3.2-2 .40 1.6  PFO 
      eS      23:16:21.41  S res =  -0.8X
 BAR  ePn     23:16:12.76  -1.1    1.5 142 d:5.1+1     3.1  L:4.8-2 .28 2.1  BAR 
      eSn     23:16:31.49  S res =  -2.5X
 GSC  ePn     23:16:15.42  -0.2    1.6  29 d:8.2+1     3.6  L:7.2-2 .43 2.3  GSC 
      eSn     23:16:37.20  S res =   0.1X



 Generated 2007 JUL 23 at 05:14 UTC

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

 


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