Phase Data

Explanation of Parameters


     26 MAR 2013  ( 85)

     ot  = 11:48:24.53   +/-   2.08              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      35.773   +/-    9.1
     lon =     140.798   +/-   10.5              MAGNITUDE 4.7 (GS)       
     dep =        17.4   +/-    5.5   

     72 km (45 miles) SSE of Mito, Honshu, Japan (pop 262,000)
     95 km (59 miles) E of TOKYO, Japan (pop 8,489,000)
     112 km (69 miles) ENE of Yokohama, Honshu, Japan (pop 3,579,000)
     120 km (74 miles) SE of Utsunomiya, Honshu, Japan (pop 457,000)

     nph =   41 of  45    se = 1.02    FE=228                            A   

     error ellipse = (107.0,  3.0, 16.3;197.0,  5.0, 13.7;342.0, 83.0,  8.2)

 mb = 4.7 ( 24)  ML = 4.1 (  6)  mblg = 3.9 (  7)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MJB9 ePn     11:48:59.36  -1.4    2.2 291 g:5.4-1 .93 3.9                   MJB9
      eSn     11:49:29.58  S res =   1.6 
 MAJO ePn     11:48:59.43  -1.3    2.2 291 L:1.8+0 .96 4.0  g:5.3-1 .93 3.9  MAJO
      eSn     11:49:29.57  S res =   1.6 
 JHJ2 ePn     11:49:08.00  -0.1    2.8 197 L:2.7+0 .40 4.4                   JHJ2
 INU  ePn     11:49:15.53   2.9    3.1 263 L:1.4+0 .85 4.2  g:6.5-1 .85 4.2  INU 
 ERM  ePn     11:49:54.74  -4.5    6.5  16 g:8.0-2 1.1 3.6                   ERM 
      eSn     11:51:12.27  S res =  -0.7 
 JNU  ePn     11:50:29.16   0.8    8.6 255                                   JNU 
 YSS  ePn     11:51:05.60   0.9   11.3   7                                   YSS 
 PETK eP      11:53:08.31   1.1   21.0  29                                   PETK
 TPUB eP      11:53:11.25  -0.8   21.4 240 b:7.3+1 1.4 4.9                   TPUB
 ZALV eP      11:56:18.24   0.4   42.4 314                                   ZALV
 MK01 eP      11:56:33.23  -0.7   44.4 303                                   MK01
 MK31 eP      11:56:34.06   0.1   44.4 303 b:6.5+0 .90 4.5                   MK31
 MAKZ eP      11:56:36.81   1.2   44.6 303 b:6.4+0 .95 4.5                   MAKZ
 KURK eP      11:56:48.66  -0.6   46.3 309 b:1.5+1 .95 5.0                   KURK
 IM3  eP      11:57:02.50   0.5   48.0  30                                   IM3 
 HNR  eP      11:57:03.08  -3.1   48.5 154 b:5.8+1 1.1 5.5                   HNR 
 PPLA eP      11:57:07.41   1.3   48.5  34 b:1.3+1 1.2 4.8                   PPLA
 MLY  eP      11:57:12.08   0.8   49.2  31 b:4.6+0 1.0 4.4                   MLY 
 GHO  eP      11:57:17.70  -0.1   50.0  36 b:2.5+1 1.4 5.0                   GHO 
 MDM  eP      11:57:20.56   1.2   50.3  32 b:1.2+1 1.2 4.7                   MDM 
 DHY  eP      11:57:22.53  -0.3   50.7  34 b:1.1+1 1.4 4.6                   DHY 
 IL1  eP      11:57:23.69   0.0   50.8  32                                   IL1 
 ILB  eP      11:57:24.05   0.4   50.8  32 b:7.2+0 1.2 4.5                   ILB 
 HARP eP      11:57:30.84   0.2   51.8  35 b:3.5+1 1.3 5.1                   HARP
 EPYK eP      11:57:54.61   1.1   54.9  29 b:1.8+1 1.4 4.9                   EPYK
 HYT  eP      11:57:58.70  -0.4   55.6  36 b:1.5+1 1.5 4.8                   HYT 
 FITZ eP      11:57:59.03   0.7   55.5 198 b:7.4+0 1.3 4.5                   FITZ
 INK  eP      11:57:59.06  -0.6   55.7  27 b:8.4+0 1.5 4.6                   INK 
 WRAB eP      11:57:59.09  -1.1   55.7 187 b:1.7+1 1.4 4.9                   WRAB
 ABKAReP      11:58:18.04  -0.7   58.4 311 b:5.9+0 .90 4.7                   ABKA
 AS01 eP      11:58:26.49   0.0   59.5 187                                   AS01
 AS31 eP      11:58:26.69   0.2   59.5 187 b:9.0-1 .70 4.0                   AS31
 RES  eP      11:58:55.39  -0.6   63.9  14 b:4.8+0 .95 4.6                   RES 
 FIA1 eP      11:59:32.33  -0.5   69.7 332                                   FIA1
 GLK  eP      11:59:37.37   4.1X  69.7  47                                   GLK 
 GRTM eP      11:59:49.51  -3.9X  73.0  54                                   GRTM
 NC204eP      12:00:04.50  -0.8   75.1 338 b:8.9+0 .75 4.9                   NC20
 PHSB eP      12:00:05.60  -4.0X  75.8  56                                   PHSB
 DLMT eP      12:00:08.68   0.2   75.6  44 b:4.6+0 1.0 4.5                   DLMT
 BOZ  eP      12:00:11.04   0.5   76.0  44 b:3.6+0 .95 4.4                   BOZ 
 H17A eP      12:00:22.52   4.1X  77.3  44 b:5.2+0 1.1 4.5                   H17A
 PDAR eP      12:00:26.03  -1.2   78.9  45                                   PDAR



 Generated 2013 MAR 26 at 12:14 UTC

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