Phase Data

Explanation of Parameters


      8 FEB 2013  ( 39)

     ot  = 15:57:46.60   +/-   1.73              LIBERTADOR O'HIGGINS, CHILE     
     lat =     -34.701   +/-    4.4
     lon =     -71.877   +/-   35.9              MAGNITUDE 4.0 (GUC)      
     dep =        91.8   +/-   28.3   

     67 km (41 miles) WNW of Curico, Maule, Chile (pop 93,000)
     83 km (52 miles) NNW of Talca, Maule, Chile (pop 189,000)
     119 km (74 miles) WSW of Rancagua, Libertador O'Higgins, Chile (pop 206,000
     178 km (111 miles) SW of SANTIAGO, Region Metropolitana, Chile
 
     ML 4.0 (GUC). Felt (III) at Talca and (II) at Chepica, Curico and
     Romeral.

     nph =   13 of  13    se = 0.85    FE=135                            B   

     error ellipse = ( 96.0, 29.0, 60.6;263.0, 59.0, 35.6;  3.0,  5.0,  3.4)

 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
 PEL  ePn     15:58:16.74   0.9    1.9  33                                   PEL 
 ROC1 ePn     15:58:17.28   0.7    1.9  23                                   ROC1
 GO04 ePn     15:58:54.22   0.0    4.6  12                                   GO04
 GO06 ePn     15:58:59.21   7.2    4.9 176                                   GO06
 PLCA ePn     15:59:15.05   6.3    6.1 171                                   PLCA
 GO07 ePn     15:59:43.47   1.9    8.5 189                                   GO07
 TRQA ePn     15:59:49.24   4.4    8.7 116                                   TRQA
 GO02 ePn     16:00:02.96  -1.1    9.7  12                                   GO02
 PB01 ePn     16:01:05.96   6.9   13.8   9                                   PB01
 PB11 ePn     16:01:13.32  -2.0   15.0   8                                   PB11
 MNMC ePn     16:01:24.59   1.1   15.6   8                                   MNMC
 LPAZ eP      16:01:57.80  -1.7   18.6  11                                   LPAZ
 NNA  eP      16:02:43.63  -2.6   23.1 348                                   NNA 



 Generated 2013 FEB  9 at 19:26 UTC

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