Phase Data

Explanation of Parameters


     20 JAN 2013  ( 20)

     ot  = 12:01:07.63   +/-   1.32              SAN JUAN, ARGENTINA             
     lat =     -31.769   +/-    7.9
     lon =     -69.251   +/-   11.4              MAGNITUDE 4.3 (GS)       
     dep =        98.7   +/-    7.0   

     73 km (45 miles) WSW of San Juan, San Juan, Argentina (pop 421,000)
     130 km (81 miles) NNW of Mendoza, Mendoza, Argentina (pop 848,000)
     173 km (108 miles) NE of Los Andes, Valparaiso, Chile
     1034 km (642 miles) WNW of BUENOS AIRES, D.F., Argentina

     nph =   49 of  49    se = 0.65    FE=137                            A   

     error ellipse = (251.0, 20.0, 19.0;347.0, 16.0, 11.2;113.0, 63.0,  8.7)

 mb = 4.3 ( 21)  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     12:01:38.57   0.6    1.8 221                                   PEL 
      eSn     12:02:01.06  S res =   0.0 
 ROC1 ePn     12:01:39.17  -0.2    1.9 231                                   ROC1
      eSn     12:02:03.26  S res =  -0.2 
 GO04 ePn     12:01:41.15  -0.2    2.1 320                                   GO04
      eSn     12:02:07.31  S res =   0.3 
 LCO  ePn     12:01:53.70  -0.1    3.0 335                                   LCO 
      eSn     12:02:27.71  S res =  -1.7 
 GO05 ePn     12:02:03.60  -2.3    3.9 214                                   GO05
      eSn     12:02:49.37  S res =  -1.7 
 GO03 ePn     12:02:09.87  -0.3    4.3 348                                   GO03
 GO02 ePn     12:02:40.85  -1.3    6.6 357                                   GO02
 GO06 ePn     12:03:00.24  -1.1    8.0 192                                   GO06
 LVC  ePn     12:03:15.54  -1.2    9.1   2                                   LVC 
 PB01 ePn     12:03:39.53   1.8   10.7 359                                   PB01
 CPUP ePn     12:03:51.06  -0.9   11.8  66                                   CPUP
 MNMC ePn     12:04:03.51   0.1   12.6 359                                   MNMC
 LPAZ ePn     12:04:41.30   0.6   15.4   4 b:6.6+0 .65 4.0                   LPAZ
 EFI  eP      12:05:48.51   0.0   21.5 161 b:4.6+1 1.4 4.6                   EFI 
 TEIG eP      12:10:27.57   0.0   54.8 338 b:1.9+1 1.2 5.0                   TEIG
 QSPA eP      12:10:53.78   0.7   58.5 180 b:3.2+0 .75 4.5                   QSPA
 JCT  eP      12:11:58.68   0.2   68.4 332 b:3.4+0 .70 4.3                   JCT 
 TX31 eP      12:12:02.70   0.0   69.0 328                                   TX31
      eP      12:12:03.32   0.7 
 WVT  eP      12:12:06.59  -0.3   69.8 344 b:4.7+0 .60 4.5                   WVT 
 W39A eP      12:12:11.81   0.4   70.5 339 b:3.9+0 .85 4.3                   W39A
 MNTX eP      12:12:18.52  -0.9   71.8 328                                   MNTX
 DBIC eP      12:12:22.79   0.4   72.2  70 b:1.5+1 1.5 4.6                   DBIC
 CCM  eP      12:12:22.91  -0.1   72.4 342 b:3.0+0 .70 4.2                   CCM 
 MSTX eP      12:12:24.46   0.1   72.6 331 b:3.8+0 .80 4.3                   MSTX
 T25A eP      12:12:45.25   1.0   76.0 332 b:2.3+0 .85 4.1                   T25A
 SDCO eP      12:12:50.42   0.7   77.0 331 b:1.4+0 .95 3.8                   SDCO
 ECSD eP      12:13:01.01  -0.4   79.2 340 b:6.1+0 1.2 4.3                   ECSD
 RWWY eP      12:13:11.39  -0.3   81.0 332 b:6.0+0 .75 4.5                   RWWY
 TOA0 eP      12:13:13.83   0.8   81.2  69 b:1.9+0 .85 4.0                   TOA0
 RLMT eP      12:13:30.80   0.1   84.7 333 b:3.5+0 1.4 4.1                   RLMT
 J08A eP      12:13:43.95   0.8   87.3 326 b:2.5+0 .65 4.4                   J08A
 I07A eP      12:13:48.52   0.4   88.3 326                                   I07A
 PINE eP      12:13:51.23   0.8   88.8 325 b:2.7+0 .90 4.4                   PINE
 FCC  eP      12:14:06.78  -0.4   92.5 347 b:1.4+0 1.1 4.2                   FCC 
 WB2  ePKPdf  12:19:53.16  -1.5  123.8 207                                   WB2 
      ePKPdf  12:19:53.31  -1.3 
 WRAB ePKPdf  12:19:53.53  -1.1  123.8 207                                   WRAB
 AAK  ePKPbc  12:20:45.98   0.9  149.4  60                                   AAK 
      ePKPab  12:20:50.82   0.7 
 ZAA0 ePKPbc  12:20:48.33  -0.3  151.1  33                                   ZAA0
 ZALV ePKPbc  12:20:48.43  -0.2  151.1  33                                   ZALV
 MK01 ePKPbc  12:20:53.96  -0.5  153.6  48                                   MK01
      ePKPab  12:21:07.56   0.3 



 Generated 2013 JAN 20 at 13:15 UTC

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