Phase Data

Explanation of Parameters


      4 APR 2013  ( 94)

     ot  = 16:30:51.50   +/-   0.00         BAJA CALIFORNIA, MEXICO         
     lat =      31.225   +/-    0.0
     lon =    -115.913   +/-    0.0              MAGNITUDE 4.0 (ECX)      
     dep =         5.0   +/-    0.0   

     98 km (61 miles) SE of Ensenada, Baja California, Mexico (pop 260,000)
     103 km (64 miles) WNW of San Felipe, Baja California, Mexico (pop 13,000)
     164 km (102 miles) SSE of Tecate, Baja California, Mexico
     2128 km (1322 miles) NW of MEXICO CITY, D.F., Mexico
 
     ML 4.0 (ECX), 3.8 (PAS).

     nph =   42 of  43    se = 0.00    FE=048                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  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
 BAR  ePn     16:31:18.25  -2.1    1.6 336                                   BAR 
      eSn     16:31:37.57  S res =  -3.7 
 CPE  ePn     16:31:23.68  -1.5    1.9 329                                   CPE 
      eSn     16:31:46.26  S res =  -3.7 
 GLA  ePn     16:31:24.87  -1.7    2.0  27                                   GLA 
 PFO  ePn     16:31:31.14  -0.8    2.4 349                                   PFO 
      eSn     16:32:03.67  S res =   1.7 
 XPFO ePn     16:31:31.23  -0.7    2.4 349                                   XPFO
      eSn     16:32:03.94  S res =   1.9 
 Y12C ePn     16:31:37.56   0.9    2.8  25                                   Y12C
 SNCC ePn     16:31:42.69  -6.2    3.7 304                                   SNCC
 PASC ePn     16:31:45.12  -1.6    3.5 328                                   PASC
      eSn     16:32:37.14  S res =   8.5 
 MWC  ePn     16:31:45.41  -1.3    3.5 329                                   MWC 
      eSn     16:32:36.46  S res =   7.9 
 SRIG ee      16:31:48.08   0.0X   5.0 140                                   SRIG
 OSI  ePn     16:31:55.74   0.5    4.1 326                                   OSI 
 LDFC ePn     16:31:56.14   3.3    3.9   9                                   LDFC
 W13A ePn     16:31:56.72   0.0    4.2  23                                   W13A
 TUC  ePn     16:31:58.76  -1.6    4.5  75                                   TUC 
 GSC  ePn     16:32:01.79   6.4    4.1 350                                   GSC 
      eSg     16:33:00.17  S res =   5.1 
 X16A ePn     16:32:05.89  -0.5    4.9  49                                   X16A
 ISA  ePn     16:32:08.27   2.1    4.9 335                                   ISA 
 319A ePn     16:32:09.75  -6.9    5.7  87                                   319A
 SHPR ePn     16:32:11.83   0.3    5.3   7                                   SHPR
 DAC  ePn     16:32:14.72   4.2    5.2 345                                   DAC 
      eSg     16:33:29.88  S res =   3.2 
 WUAZ ePn     16:32:17.43   0.1    5.7  40                                   WUAZ
 TPNV ePn     16:32:18.47   1.3    5.7 357                                   TPNV
 X18A ePn     16:32:20.07  -1.1    6.0  55                                   X18A
      eSn     16:33:27.56  S res =  -2.8 
 U15A ePn     16:32:22.08   0.9    6.0  29                                   U15A
 LCMT ePn     16:32:24.28   0.7    6.2  20                                   LCMT
 KNB  ePn     16:32:26.49   1.0    6.3  23                                   KNB 
 W18A ePn     16:32:27.61   0.0    6.5  52                                   W18A
 CCUT ePn     16:32:32.03   1.9    6.7  18                                   CCUT
 R11A ePn     16:32:40.63   4.2    7.1   2                                   R11A
 PSUT ePn     16:32:41.55   0.0    7.5  13                                   PSUT
 MSU  ePn     16:32:50.26   3.1    7.9  22                                   MSU 
 MNTX ePn     16:32:54.20  -8.1    9.0  84                                   MNTX
 MVCO ePn     16:32:55.90  -0.4    8.6  44                                   MVCO
 AFDM ePn     16:32:56.43  -2.2    8.7 333                                   AFDM



 Generated 2013 APR  4 at 18:07 UTC

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