Phase Data

Explanation of Parameters


     31 JAN 2013  ( 31)

     ot  = 02:45:00.15   +/-   2.24              LA RIOJA, ARGENTINA             
     lat =     -28.504   +/-    4.2
     lon =     -67.365   +/-   15.9              MAGNITUDE 4.8 (GS)       
     dep =       117.7   +/-   10.9   

     100 km (62 miles) SSW of Belen, Catamarca, Argentina (pop 11,000)
     114 km (71 miles) NNW of La Rioja, La Rioja, Argentina (pop 143,000)
     155 km (96 miles) W of Catamarca, Catamarca, Argentina (pop 140,000)
     1065 km (661 miles) NW of BUENOS AIRES, D.F., Argentina

     nph =   41 of  41    se = 1.11    FE=138                            A   

     error ellipse = ( 97.0,  0.0, 24.5;358.0, 85.0, 16.6;187.0,  4.0,  5.5)

 mb = 4.8 (  8)  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
 GO03 ePn     02:45:43.95   1.5    2.7 289                                   GO03
      eSn     02:46:14.76  S res =  -0.2 
 LCO  ePn     02:45:47.31   1.0    3.0 259                                   LCO 
      eSn     02:46:21.69  S res =  -0.1 
 GO04 ePn     02:45:53.70   1.4    3.4 240                                   GO04
      eSn     02:46:32.37  S res =  -0.2 
 GO02 ePn     02:46:00.32   2.0    3.9 329                                   GO02
      eSn     02:46:44.04  S res =   0.8 
 ROC1 ePn     02:46:18.71  -0.7    5.5 214                                   ROC1
      eSn     02:47:19.64  S res =  -1.5 
 PEL  ePn     02:46:18.99   0.0    5.4 211                                   PEL 
      eSn     02:47:17.42  S res =  -2.9 
 PB10 ePn     02:46:23.54   0.5    5.7 329                                   PB10
      eSn     02:47:16.42  S res = -11.2 
 LVC  ePn     02:46:29.78   2.5    6.0 346                                   LVC 
      eSn     02:47:35.93  S res =   0.8 
 PB04 ePn     02:46:34.71  -0.7    6.6 337                                   PB04
      eSn     02:47:44.26  S res =  -5.4 
 GO05 ePn     02:46:46.55  -1.2    7.6 210                                   GO05
 PB01 ePn     02:46:49.06  -0.3    7.7 345                                   PB01
 CPUP ePn     02:47:09.55   0.0    9.2  79                                   CPUP
 MNMC ePn     02:47:13.84  -1.2    9.6 347                                   MNMC
 GO06 ePn     02:47:39.67  -1.9   11.6 196                                   GO06
 LPAZ ePn     02:47:50.82   0.5   12.2 357                                   LPAZ
 PLCA ePn     02:47:52.75  -0.8   12.5 191                                   PLCA
 GO07 ePn     02:48:36.82   5.4   15.4 198 b:2.1+2 .80 5.5                   GO07
 SPB  eP      02:49:08.54   0.5   18.6  79 b:2.9+1 1.1 4.5                   SPB 
 BDFB eP      02:49:43.88  -1.1   22.0  59 b:1.4+1 .78 4.4                   BDFB
 EFI  eP      02:50:05.76   0.5   24.2 166 b:1.1+2 1.5 5.1                   EFI 
 PTGA eP      02:50:44.86   0.2   28.5  16 b:1.5+1 .70 4.8                   PTGA
 OTAV eP      02:51:00.26  -2.4   30.5 338 b:3.7+0 1.1 4.0                   OTAV
 GRGR eP      02:52:27.68  -2.2   40.8   9 b:9.7+1 .85 5.5                   GRGR
 TEIG eP      02:54:01.20   0.1   52.5 335                                   TEIG
 SNAA eP      02:54:21.56   0.9   55.2 160 b:1.4+1 1.2 4.7                   SNAA
 833A eP      02:55:24.35   1.3   64.3 329                                   833A
 WVT  eP      02:55:40.52  -0.4   67.1 342                                   WVT 
 HHAR eP      02:55:54.30   0.7   69.1 337                                   HHAR
 WMOK eP      02:55:55.87  -0.4   69.6 333                                   WMOK
 CCM  eP      02:55:58.44   0.3   69.9 340                                   CCM 
 MNTX eP      02:55:58.72   0.0   70.0 326                                   MNTX
 AMTX eP      02:56:05.02   0.5   70.9 331                                   AMTX



 Generated 2013 JAN 31 at 02:58 UTC

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