Phase Data

Explanation of Parameters


      4 APR 2013  ( 94)

     ot  = 11:41:08.60   +/-   2.10              LIBERTADOR O'HIGGINS, CHILE     
     lat =     -34.673   +/-    9.1
     lon =     -71.682   +/-   27.4              MAGNITUDE 4.7 (GS)       
     dep =        48.3   +/-    6.4   

     54 km (33 miles) NW of Curico, Maule, Chile (pop 93,000)
     84 km (52 miles) N of Talca, Maule, Chile (pop 189,000)
     102 km (64 miles) WSW of Rancagua, Libertador O'Higgins, Chile (pop 206,000
     165 km (102 miles) SW of SANTIAGO, Region Metropolitana, Chile

     nph =   27 of  30    se = 1.03    FE=135                            A   

     error ellipse = (273.0,  0.0, 42.3;182.0, 34.0, 16.6;  4.0, 55.0,  2.8)

 mb = 4.7 ( 11)  ML = 4.6 (  8)  mblg = 3.9 (  6)  md = 4.7 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 PEL  ePn     11:41:37.54   1.1    1.7  29 d:2.3+2     4.5  L:9.6+0 .40 4.5  PEL 
      eSn     11:41:59.11  S res =   1.6   g:9.9-1 .70 4.1 
 ROC1 ePn     11:41:38.11   0.9    1.8  18 d:3.1+2     4.8  L:1.6+1 .40 4.8  ROC1
      eSn     11:42:02.01  S res =   3.3 
 GO04 ePn     11:42:15.00  -0.2    4.6  10 L:5.8+0 .55 5.3  g:4.4-1 .75 4.2  GO04
 GO06 ePn     11:42:20.35   0.5    4.9 178 L:1.6-1 1.8 3.9  g:1.2-1 1.1 3.6  GO06
 LCO  ePn     11:42:29.48  -1.6    5.7   9 g:1.9-1 1.0 3.9                   LCO 
 GO03 ePn     11:42:49.25  -1.6    7.2  10 g:1.3-1 .95 3.9                   GO03
 GO02 ePn     11:43:27.12   2.0    9.7  11 g:7.0-2 1.0 3.8                   GO02
 PB01 ePn     11:44:22.04   1.5   13.7   9                                   PB01
 PB11 ePn     11:44:38.25   1.1   15.0   7                                   PB11
 GO01 ePn     11:44:40.01   0.6   15.1   9 b:4.4+0 .70 3.8                   GO01
 MNMC ePn     11:44:46.04   0.6   15.6   7 b:2.8+1 .80 4.5                   MNMC
 LPAZ eP      11:45:22.57   0.2   18.6  11 b:5.6+0 .75 3.8                   LPAZ
 PTGA eP      11:48:00.54  -0.3   35.5  21 b:9.7+0 .75 4.8                   PTGA
 QSPA epP     11:50:51.52  -0.4   55.6 180                                   QSPA
 V48A eP      11:52:23.77  -0.1   71.5 347 b:2.0+1 1.1 4.9                   V48A
 WVT  eP      11:52:27.14  -0.1   72.0 346 b:1.0+1 .70 4.9                   WVT 
      epP     11:52:39.52  depth =  -1.6 
 CCM  eP      11:52:42.44   0.1   74.6 344 b:6.4+0 .85 4.6                   CCM 
 LMN  eP      11:53:11.92  -2.6   80.4   5 b:4.1+1 1.1 5.3                   LMN 
 X16A epP     11:53:16.55  -0.1   78.2 327                                   X16A
 ECSD eP      11:53:19.40   0.1X  81.3 342 b:6.7+0 1.0 4.6                   ECSD
 TOA0 eP      11:53:34.55  -0.4   84.2  70                                   TOA0
      epP     11:53:48.00  depth =  -1.1 
 YHH  epP     11:54:00.99  -0.1   86.7 333                                   YHH 
 ILB  ePdif   11:55:53.87  -0.2  114.9 333                                   ILB 
 AAK  ePKPbc  12:01:00.42   0.8  152.6  64                                   AAK 
 H17A eS      12:04:17.50   0.8X  86.3 333                                   H17A
 LKWY eS      12:04:18.81   1.4X  86.4 333                                   LKWY



 Generated 2013 APR  4 at 12:27 UTC

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