Phase Data

Explanation of Parameters


     14 MAR 2013  ( 73)

     ot  = 15:50:47.79   +/-   1.73              SOUTHERN PERU                   
     lat =     -15.782   +/-   13.0
     lon =     -71.536   +/-   13.5              MAGNITUDE 4.7 (GS)       
     dep =         8.1   +/-    6.2   

     68 km (42 miles) N of Arequipa, Peru (pop 710,000)
     154 km (95 miles) WSW of Juliaca, Peru (pop 180,000)
     161 km (100 miles) W of Puno, Peru
     725 km (450 miles) SE of LIMA, Peru

     nph =   32 of  32    se = 0.85    FE=117                            A   

     error ellipse = (227.0,  1.0, 25.4;137.0,  8.0, 13.8;328.0, 81.0,  9.2)

 mb = 4.7 ( 15)  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
 LPAZ ePg     15:51:47.07  -0.1    3.3  99                                   LPAZ
 MNMC ePn     15:51:48.78   1.7    3.8 151                                   MNMC
      eSg     15:52:42.02  S res =   0.1 
 PB11 ePn     15:51:54.86   0.6    4.3 156                                   PB11
 PB01 ePn     15:52:11.47   0.2    5.6 160                                   PB01
      eSn     15:53:13.96  S res =  -1.7 
 NNA  ePn     15:52:23.60   1.3    6.4 306                                   NNA 
 PB04 ePn     15:52:24.19  -1.8    6.7 169                                   PB04
      eSn     15:53:38.80  S res =  -3.3 
 LVC  ePn     15:52:34.40   0.2    7.2 160                                   LVC 
      eSn     15:53:55.27  S res =  -1.5 
 PB10 ePn     15:52:37.93  -3.0    7.8 173                                   PB10
 GO02 ePn     15:53:03.32  -2.1    9.5 169                                   GO02
 GO03 ePn     15:53:35.33  -1.4   11.8 174                                   GO03
 GO04 ePn     15:54:08.56  -2.8   14.3 177                                   GO04
 CPUP ePn     15:54:44.75   0.1   16.9 131 b:1.6+1 1.6 3.9                   CPUP
 ROC1 ePn     15:54:47.91   0.1   17.1 179 b:1.2+1 1.0 4.0                   ROC1
 PTGA eP      15:55:07.17  -0.9   18.8  39 b:7.8+0 .95 3.9                   PTGA
 GO06 eP      15:56:01.07   0.6   23.7 180 b:4.0+1 1.9 4.7                   GO06
 PLCA eP      15:56:11.54   0.5   24.9 178 b:1.7+1 1.0 4.7                   PLCA
 LNIG eP      15:59:33.12  -0.2   48.8 326 b:7.6+0 1.2 4.6                   LNIG
 ZAIG eP      15:59:35.69   0.9   48.9 321 b:1.9+1 1.8 4.8                   ZAIG
 MIAR eP      16:00:13.92  -0.5   54.3 338 b:1.0+1 1.1 4.8                   MIAR
 KSPA eP      16:00:34.98  -0.2   57.2 356 b:1.2+2 1.9 5.6                   KSPA
 MSTX eP      16:00:39.56   0.1   57.7 329 b:2.0+1 1.5 4.9                   MSTX
 SDCO eP      16:01:10.05   0.6   62.1 330 b:8.1+0 1.4 4.7                   SDCO
 ECSD eP      16:01:18.54   0.0   63.5 340 b:1.7+1 1.5 5.0                   ECSD
 AGMN eP      16:01:43.49   0.0   67.4 343 b:5.3+0 .80 4.8                   AGMN
 YHH  eP      16:02:01.67   0.9   70.1 331 b:1.4+1 1.8 4.8                   YHH 
 YKW3 eP      16:03:23.48  -0.1   85.1 342 b:3.7+0 1.0 4.6                   YKW3
 ZALV ePKPdf  16:10:11.09  -1.3  137.7  21                                   ZALV
 KS01 epPKPdf 16:10:42.95   0.7  152.4 325                                   KS01



 Generated 2013 MAR 14 at 17:56 UTC

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