Phase Data

Explanation of Parameters


      1 FEB 2013  ( 32)

     ot  = 14:06:48.24   +/-   1.53              NEAR S. COAST OF HONSHU, JAPAN  
     lat =      35.551   +/-    8.2
     lon =     139.958   +/-   11.2              MAGNITUDE 4.8 (GS)       
     dep =        71.9   +/-    6.2   

     24 km (15 miles) SE of TOKYO, Japan (pop 8,489,000)
     32 km (20 miles) ENE of Yokohama, Honshu, Japan (pop 3,579,000)
     102 km (63 miles) SSW of Mito, Honshu, Japan (pop 262,000)
     111 km (69 miles) ENE of Numazu, Honshu, Japan (pop 208,000)

     nph =   45 of  45    se = 0.76    FE=230                            A   

     error ellipse = (254.0,  0.0, 17.5;344.0, 16.0, 12.2;161.0, 73.0,  9.2)

 mb = 4.8 ( 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
 MAJO ePn     14:07:16.89   0.5    1.7 306                                   MAJO
      eSn     14:07:37.30  S res =  -0.4 
 MJB9 ePn     14:07:16.91   0.5    1.7 306                                   MJB9
      eSn     14:07:37.31  S res =  -0.4 
 JHJ2 ePn     14:07:25.48  -0.2    2.4 183                                   JHJ2
      eSn     14:07:54.10  S res =  -0.3 
 INU  ePn     14:07:26.70   1.4    2.4 266                                   INU 
      eSn     14:07:43.05  S res = -10.6 
 ERM  ePn     14:08:25.07  -1.8    6.9  20                                   ERM 
 JNU  ePn     14:08:42.62   2.3    7.9 255                                   JNU 
 KS01 ePn     14:09:11.19   3.5    9.9 285                                   KS01
 KS15 ePn     14:09:11.23   3.2    9.9 285                                   KS15
 MA2  eP      14:12:05.08  -0.4   25.0  13 b:1.4+1 .70 4.5                   MA2 
 SONA1eP      14:12:28.75  -0.7   27.7 307                                   SONA
 TIXI eP      14:13:46.55  -0.5   36.6 354 b:5.4+0 .80 4.5                   TIXI
 ZALV eP      14:14:32.22  -0.4   42.1 314                                   ZALV
 ZAA0 eP      14:14:32.80   0.2   42.1 314 b:1.6+1 1.0 4.8                   ZAA0
 MK01 eP      14:14:47.82   0.0   43.9 303                                   MK01
 MK31 eP      14:14:48.22   0.4   43.9 303                                   MK31
 MKAR eP      14:14:48.22   0.4   43.9 303 b:7.8+1 .85 5.6                   MKAR
 MAKZ eP      14:14:49.92   0.4   44.1 303 b:1.2+1 .80 4.8                   MAKZ
 KURK eP      14:15:03.56  -0.1   45.9 309 b:3.6+1 .85 5.3                   KURK
 KDJ  eP      14:15:24.67   1.7   48.4 298 b:7.4+0 .90 4.7                   KDJ 
 COEN eP      14:15:30.18  -0.1   49.3 176 b:1.1+1 .95 4.8                   COEN
 MDM  eP      14:15:41.76   0.9   50.8  31 b:6.7+0 .80 4.7                   MDM 
 ARSB eP      14:15:47.81   0.3   51.6 298 b:9.2+0 .80 4.9                   ARSB
 GAR  eP      14:16:06.03  -1.1   54.3 296 b:2.0+1 1.1 5.0                   GAR 
 FITZ eP      14:16:12.27  -0.4   55.1 197 b:1.5+1 1.0 5.0                   FITZ
 WB2  eP      14:16:13.85  -1.6   55.4 186                                   WB2 
      eP      14:16:14.65  -0.8 
 WRAB eP      14:16:14.58  -0.8   55.4 186 b:1.2+1 .80 5.0                   WRAB
 ABKAReP      14:16:33.40   0.1   58.0 311                                   ABKA
 AS01 eP      14:16:40.86  -0.8   59.2 186                                   AS01
 AS31 eP      14:16:41.10  -0.6   59.2 187 b:1.6+0 .55 4.4                   AS31
 MBWA eP      14:16:43.61  -0.8   59.6 202 b:1.7+1 .80 5.2                   MBWA
 RES  eP      14:17:15.04  -0.6   64.3  14 b:7.2+0 .95 4.6                   RES 
 FORT eP      14:17:32.97   0.1   66.9 191 b:3.4+1 .75 5.4                   FORT
 FIA1 eP      14:17:48.67  -0.5   69.6 332                                   FIA1
 SUMG eP      14:18:05.94   0.8   72.2 360 b:1.2+1 .80 4.9                   SUMG
 BOZ  eP      14:18:31.84   0.8   76.6  43 b:5.2+0 1.1 4.4                   BOZ 
 NV01 eP      14:18:33.32   0.7   76.8  52                                   NV01
 RAYN eP      14:18:50.92   0.1   80.1 292 b:5.0+0 .65 4.6                   RAYN
 QSPA ePKPdf  14:25:40.06   0.3  125.3 180                                   QSPA
 LPAZ ePKPbc  14:26:28.52   0.7  148.5  59                                   LPAZ
 LCO  ePKPbc  14:26:39.47   0.8  153.3  84                                   LCO 



 Generated 2013 FEB  1 at 14:44 UTC

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