Phase Data

Explanation of Parameters


     10 FEB 2013  ( 41)

     ot  = 20:00:36.09   +/-   1.37              OFFSHORE VALPARAISO, CHILE      
     lat =     -33.467   +/-    9.8
     lon =     -72.023   +/-    5.8              MAGNITUDE 5.0 (GS)       
     dep =        23.7   +/-    6.3   

     40 km (25 miles) WNW of San Antonio, Valparaiso, Chile (pop 83,000)
     61 km (38 miles) SW of Valparaiso, Valparaiso, Chile (pop 263,000)
     126 km (78 miles) W of SANTIAGO, Region Metropolitana, Chile (pop 4,656,000
     141 km (88 miles) WNW of Rancagua, Libertador O'Higgins, Chile (pop 206,000

     nph =   22 of  22    se = 0.68    FE=134                            A   

     error ellipse = (150.0,  4.0, 17.4;303.0, 84.0,  9.4; 60.0,  2.0,  2.6)

 mb = 5.0 ( 16)  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
 ROC1 ePg     20:00:54.40  -0.1    1.0  60                                   ROC1
      eSn     20:01:10.99  S res =   3.2 
 PEL  ePn     20:00:57.29   0.2    1.2  74                                   PEL 
      eSn     20:01:15.62  S res =   3.2 
 GO04 ePn     20:01:29.01   0.5    3.5  18                                   GO04
 LCO  ePn     20:01:43.77  -0.5    4.6  15                                   LCO 
 GO06 ePn     20:02:06.10   0.9    6.1 176                                   GO06
 PTGA eP      20:07:21.72  -0.6   34.5  22 b:1.9+1 1.0 5.0                   PTGA
 SNAA eP      20:09:43.06  -0.6   52.1 158 b:3.3+1 1.2 5.1                   SNAA
 TX31 eP      20:11:41.95   0.5   69.3 331                                   TX31
 V48A eP      20:11:47.13   0.2   70.2 347 b:2.1+1 1.0 5.2                   V48A
 WVT  eP      20:11:49.97  -0.5   70.8 347 b:2.2+1 .80 5.3                   WVT 
 W39A eP      20:11:54.09   0.7   71.3 341 b:1.4+1 .85 5.1                   W39A
 MNTX eP      20:11:57.42  -0.7   72.1 330 b:3.7+0 .95 4.4                   MNTX
 CCM  eP      20:12:05.73  -0.1   73.4 344 b:1.6+1 .85 5.1                   CCM 
 ECSD eP      20:12:43.47   0.1   80.1 342 b:1.2+1 .95 4.9                   ECSD
 LBTB eP      20:12:56.99  -0.3   82.5 115 b:2.4+1 1.2 5.1                   LBTB
 KVN  eP      20:13:03.43  -0.4   83.9 326 b:4.7+0 1.0 4.6                   KVN 
 TOA0 eP      20:13:04.57  -0.4   84.0  70                                   TOA0
      eP      20:13:05.02   0.1 
 MCMT eP      20:13:17.21   1.2   86.3 332                                   MCMT
 J08A eP      20:13:21.87   0.4   87.5 328 b:1.7+1 .95 5.3                   J08A



 Generated 2013 FEB 10 at 20:20 UTC

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