Phase Data

Explanation of Parameters


     24 MAR 2013  ( 83)

     ot  = 23:43:57.44   +/-   1.99              OFF EAST COAST OF HONSHU, JAPAN 
     lat =      37.488   +/-   10.6
     lon =     143.814   +/-   13.8              MAGNITUDE 4.5 (GS)       
     dep =        35.0   +/-    8.5   

     264 km (164 miles) ENE of Iwaki, Honshu, Japan
     271 km (169 miles) ESE of Sendai, Honshu, Japan
     297 km (184 miles) E of Fukushima, Honshu, Japan
     415 km (258 miles) ENE of TOKYO, Japan

     nph =   23 of  24    se = 0.98    FE=229                            A   

     error ellipse = (122.0, 18.0, 24.0;223.0, 28.0, 14.9;  4.0, 55.0,  9.5)

 mb = 4.4 (  8)  ML = 3.8 (  4)  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
 ERM  ePn     23:45:03.44  -0.3    4.6 354 L:2.8-1 .40 4.0                   ERM 
      eSn     23:45:55.33  S res =   0.0 
 MAJO ePn     23:45:03.51  -0.8    4.6 260 L:1.1-1 .85 3.6                   MAJO
      eSn     23:45:55.25  S res =  -1.1 
 MJB9 ePn     23:45:03.53  -0.8    4.6 260                                   MJB9
      eSn     23:45:55.40  S res =  -1.0 
 JHJ2 ePn     23:45:16.83   0.7    5.5 218                                   JHJ2
 INU  ePn     23:45:22.13   0.2    5.9 251                                   INU 
 USA0BePn     23:46:35.11   0.4   11.2 311                                   USA0
 CM01 eP      23:51:57.24  -0.1   43.5 257                                   CM01
      eS      23:58:21.69  S res =  -2.0 
 MK01 eP      23:52:13.42   0.1   45.5 302                                   MK01
 MK31 eP      23:52:13.77   0.5   45.5 302 b:2.2+0 .80 4.1                   MK31
 KURK eP      23:52:26.19   0.0   47.2 308 b:4.6+0 1.0 4.4                   KURK
 BCP  eP      23:53:03.03   0.7   51.9  38 b:6.2+1 .76 5.7                   BCP 
 ZALV ePcP    23:53:41.92  -1.1   43.0 312                                   ZALV
 ABKAReP      23:53:54.27   0.1X  59.1 311 b:2.2+0 .85 4.3                   ABKA
 PGC  eP      23:54:29.63  -1.6   64.6  47                                   PGC 
 WRAB ePcP    23:54:39.33   1.7   57.8 191                                   WRAB
 NV01 eP      23:55:24.15  -0.8   73.2  54                                   NV01
 KWP  eP      23:55:56.91   0.1   78.9 326 b:4.3+2 1.9 6.1                   KWP 
 BUR08eP      23:55:58.44   0.1   79.1 323 b:2.6+1 2.0 4.9                   BUR0
 OJC  eP      23:56:02.33   0.9   79.7 327 b:6.7+0 .90 4.6                   OJC 
 NRS  eP      23:56:10.55   0.3   81.4   5 b:1.1+2 1.5 5.6                   NRS 



 Generated 2013 MAR 25 at 00:46 UTC

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