Phase Data

Explanation of Parameters


      8 APR 2013  ( 98)

     ot  = 08:50:09.00   +/-   0.00         COQUIMBO, CHILE                 
     lat =     -30.102   +/-    0.0
     lon =     -71.213   +/-    0.0              MAGNITUDE 4.8 (GUC)      
     dep =        69.9   +/-    0.0   

     21 km (13 miles) SE of Coquimbo, Coquimbo, Chile (pop 148,000)
     55 km (34 miles) N of Ovalle, Coquimbo, Chile (pop 66,000)
     170 km (105 miles) N of Illapel, Coquimbo, Chile
     375 km (233 miles) N of SANTIAGO, Region Metropolitana, Chile
 
     Felt (IV) at Andacollo, Coquimbo, La Serena and Rio Hurtado; (III)
     at Monte Patria, Ovalle, Paiguano and Vicuna; (II) at Canela,
     Combarbala, Illapel, La Higuera, Los Vilos, Punitaqui and
     Salamanca.

     nph =   39 of  39    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 = 4.1 (  1)  ML = 4.8 ( 12)  mblg = 0.0 (  0)  md = 4.6 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 GO04 ePn     08:50:21.90   0.9    0.4 101 d:3.9+2     4.5  L:3.5+2 .50 5.4  GO04
      eSn     08:50:30.43  S res =   0.7 
 LCO  ePn     08:50:31.74   1.8    1.2  23 d:3.4+2     4.6  L:1.7+1 .35 4.5  LCO 
      eSn     08:50:47.20  S res =   1.6 
 GO03 ePn     08:50:52.50   3.1    2.6  19 L:6.0+0 .47 4.7                   GO03
      eSn     08:51:25.86  S res =   5.5 
 ROC1 ePn     08:50:54.53   1.8    2.9 177 L:1.0+1 .45 5.0                   ROC1
      eSn     08:51:27.62  S res =   1.4 
 PEL  ePn     08:50:57.50   2.3    3.1 172 L:5.1+0 .50 4.8                   PEL 
      eSn     08:51:29.92  S res =  -0.9 
 GO02 ePn     08:51:25.13   1.6    5.1  17 L:1.6+0 .63 4.9                   GO02
      eSn     08:52:19.83  S res =  -1.7 
 PB10 ePn     08:51:45.04   1.8    6.6   5                                   PB10
      eSn     08:52:41.97  S res = -15.0 
 PB04 ePn     08:52:00.29   0.4    7.8   7                                   PB04
      eSn     08:53:18.38  S res =  -8.4 
 LVC  ePn     08:52:00.53   1.2    7.7  16                                   LVC 
      eSn     08:53:24.59  S res =  -1.1 
 PB01 ePn     08:52:17.83  -0.6    9.2  10                                   PB01
      eSn     08:53:57.65  S res =  -2.3 
 GO06 ePn     08:52:23.11   0.5    9.5 181                                   GO06
      eSn     08:54:13.78  S res =   6.4 
 PB11 ePn     08:52:35.18  -0.2   10.4   8                                   PB11
      eSn     08:54:32.27  S res =   1.9 
 GO01 ePn     08:52:38.52   0.7   10.6  11                                   GO01
      eSn     08:54:27.53  S res =  -7.1 
 PLCA ePn     08:52:39.13   0.8   10.6 177                                   PLCA
 MNMC ePn     08:52:43.47  -0.6   11.0   8                                   MNMC
      eSn     08:54:51.60  S res =   5.7 
 TRQA ePn     08:52:45.47   1.7   11.0 139                                   TRQA
      eSn     08:54:48.36  S res =   3.1 
 CPUP ePn     08:53:08.96   0.9   12.8  76                                   CPUP
      eSn     08:55:42.39  S res =  13.6 
 GO07 ePn     08:53:10.45  -2.0   13.1 188                                   GO07
 LPAZ ePn     08:53:25.92   0.8   14.0  12                                   LPAZ
      eSn     08:56:00.57  S res =   0.8 
 BDFB eP      08:55:36.05   3.2   25.7  61 b:6.4+0 .86 4.2                   BDFB
 TOA0 eP      09:02:26.55   3.6   82.2  70                                   TOA0
 CM31 ePKPdf  09:10:04.45  -1.5  165.4 141                                   CM31



 Generated 2013 APR  8 at 11:34 UTC

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