Phase Data

Explanation of Parameters


     12 JAN 2013  ( 12)

     ot  = 12:16:00.60   +/-   1.28              OFF EAST COAST OF HONSHU, JAPAN 
     lat =      37.260   +/-    9.1
     lon =     144.767   +/-   13.8              MAGNITUDE 4.6 (GS)       
     dep =        35.0   +/-    3.0   

     346 km (215 miles) E of Iwaki, Honshu, Japan
     359 km (223 miles) ESE of Sendai, Honshu, Japan
     384 km (239 miles) E of Fukushima, Honshu, Japan
     482 km (300 miles) ENE of TOKYO, Japan

     nph =   39 of  39    se = 0.63    FE=229                            A   

     error ellipse = (101.0,  1.0, 21.4;192.0,  2.0, 13.6;338.0, 87.0,  4.4)

 mb = 4.6 ( 12)  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
 ERM  ePn     12:17:09.06  -2.8    4.9 346                                   ERM 
      eSn     12:17:59.57  S res =  -7.8 
 MAJO ePn     12:17:17.55   0.2    5.3 264                                   MAJO
 MJB9 ePn     12:17:17.70   0.3    5.3 264                                   MJB9
 JHJ2 ePn     12:17:23.00  -1.0    5.8 226                                   JHJ2
      eSn     12:18:26.89  S res =  -2.3 
 INU  ePn     12:17:34.92   0.7    6.5 255                                   INU 
 ASAJ ePn     12:17:38.24  -3.0    7.1 347                                   ASAJ
 CBIJ ePn     12:18:24.43  -2.4   10.4 193                                   CBIJ
      eSn     12:20:14.33  S res =  -7.4 
 USA0BePn     12:18:47.24  -0.6   11.9 310                                   USA0
 JNU  ePn     12:18:50.34   0.0   12.1 254                                   JNU 
 KS01 ePn     12:19:08.92   0.3   13.4 276                                   KS01
 SONA1eP      12:22:06.34   1.3   29.9 303                                   SONA
 IM3  eP      12:24:12.47  -0.4   45.1  31                                   IM3 
 MKAR eP      12:24:22.25  -0.2   46.3 303 b:7.9+0 .70 4.8                   MKAR
 MK31 eP      12:24:22.53   0.0   46.3 303                                   MK31
 MK01 eP      12:24:23.08   0.6   46.3 303                                   MK01
 KURK eP      12:24:35.18   0.1   47.9 309 b:3.1+0 .60 4.5                   KURK
 HYT  eP      12:25:10.80   0.7   52.5  37 b:1.0+1 1.3 4.6                   HYT 
 WB2  eP      12:25:47.54  -0.4   57.7 192                                   WB2 
      eP      12:25:47.57  -0.4 
 WRAB eP      12:25:47.69  -0.2   57.7 192 b:8.3+0 .90 4.8                   WRAB
 ZALV ePP     12:25:48.52   4.1   43.7 312                                   ZALV
 FITZ eP      12:25:49.47   0.1   57.9 202 b:5.5+0 1.0 4.6                   FITZ
 ABKAReP      12:26:02.74   0.4   59.8 311                                   ABKA
 AS31 eP      12:26:13.48  -0.1   61.5 191 b:1.0+0 .60 4.1                   AS31
 AS01 eP      12:26:13.49  -0.1   61.5 191                                   AS01
 STKA eP      12:27:00.97  -0.3   68.8 183                                   STKA
 FORT eP      12:27:05.81   0.6   69.5 195 b:1.3+1 .65 5.1                   FORT
 FIA1 eP      12:27:07.46   0.2   69.8 333                                   FIA1
 NC204eP      12:27:37.55  -0.1   74.9 339                                   NC20
 PDAR eP      12:27:42.34   0.4   75.6  47                                   PDAR
 SRU  eP      12:27:51.76   0.4   77.2  50 b:2.7+0 .82 4.3                   SRU 
 PV17 eP      12:27:59.58   0.0   78.7  50 b:5.0+0 1.0 4.5                   PV17
 PV10 eP      12:27:59.93   0.9   78.6  50                                   PV10
 PV13 eP      12:28:00.47   0.0   78.9  50 b:2.5+0 .78 4.3                   PV13
 BUR04eP      12:28:04.37  -0.7   79.8 323                                   BUR0
 BPAW eS      12:31:06.74   3.2   46.1  33                                   BPAW



 Generated 2013 JAN 12 at 12:41 UTC

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