Phase Data

Explanation of Parameters


     26 MAR 2013  ( 85)

     ot  = 11:55:15.88   +/-   2.44              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      35.754   +/-    9.6
     lon =     140.848   +/-   11.4              MAGNITUDE 4.7 (GS)       
     dep =         9.9   +/-    1.9   

     76 km (47 miles) SSE of Mito, Honshu, Japan (pop 262,000)
     100 km (62 miles) E of TOKYO, Japan (pop 8,489,000)
     115 km (71 miles) ENE of Yokohama, Honshu, Japan (pop 3,579,000)
     124 km (77 miles) SE of Utsunomiya, Honshu, Japan (pop 457,000)

     nph =   44 of  52    se = 1.20    FE=228                            A   

     error ellipse = ( 94.0,  0.0, 17.5;184.0,  0.0, 14.7;352.0, 89.0,  2.9)

 mb = 4.6 ( 27)  ML = 4.1 (  6)  mblg = 3.7 (  8)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MJB9 ePn     11:55:52.28  -1.3    2.3 291 g:3.4-1 .91 3.7                   MJB9
 MAJO ePn     11:55:52.29  -1.3    2.3 291 L:1.7+0 .95 4.0  g:3.9-1 .95 3.8  MAJO
 JHJ2 ePn     11:56:03.38   3.1    2.8 198 L:2.5+0 .35 4.3  g:3.1-1 .75 3.8  JHJ2
 INU  ePn     11:56:07.62   2.2    3.1 264 L:1.2+0 .85 4.1  g:3.8-1 .80 3.9  INU 
 ERM  ePn     11:56:49.09  -2.5    6.5  15 g:7.0-2 1.1 3.6                   ERM 
 JNU  ePn     11:57:26.24   5.2    8.6 255                                   JNU 
 USA0BePn     11:57:53.98   3.1   10.8 324                                   USA0
 YSS  ePn     11:57:55.97  -1.2   11.3   7                                   YSS 
 ENH  eP      12:00:55.48  -0.6   26.8 267 b:1.9+1 .65 4.9                   ENH 
 ZALV eP      12:03:11.43   0.7   42.5 314                                   ZALV
 MK01 eP      12:03:26.87   0.1   44.4 303                                   MK01
 MK31 eP      12:03:26.95   0.1   44.4 303 b:2.7+0 .75 4.2                   MK31
 MAKZ eP      12:03:28.80   0.3   44.6 303 b:3.4+0 .70 4.4                   MAKZ
 KURK eP      12:03:42.01  -0.1   46.4 309 b:1.1+1 .90 4.9                   KURK
 IM3  eP      12:03:54.56   0.1   48.0  30                                   IM3 
 PPLA eP      12:03:59.06   0.5   48.5  34 b:1.3+1 1.3 4.8                   PPLA
 MLY  eP      12:04:02.82  -0.9   49.2  31 b:4.1+0 .88 4.5                   MLY 
 BPAW eP      12:04:03.79   1.1   49.0  33 b:8.3+0 1.2 4.6                   BPAW
 BWN  eP      12:04:08.80   0.4   49.8  33 b:2.5+1 1.3 5.0                   BWN 
 TOLK eP      12:04:11.02   2.4   49.8  27 b:3.6+0 1.0 4.3                   TOLK
 MDM  eP      12:04:12.60   0.8   50.2  32 b:5.4+0 .88 4.5                   MDM 
 IL1  eP      12:04:15.69  -0.5   50.8  32                                   IL1 
 ILB  eP      12:04:15.95  -0.2   50.8  32 b:4.1+0 .90 4.4                   ILB 
 HARP eP      12:04:25.04   1.9   51.7  35 b:3.0+1 1.2 5.1                   HARP
 EGAK eP      12:04:33.76  -0.6   53.3  32 b:6.4+0 1.3 4.4                   EGAK
 EPYK eP      12:04:47.05   1.0   54.9  29 b:1.2+1 1.1 4.8                   EPYK
 INK  eP      12:04:50.63  -1.6   55.7  27 b:6.5+0 1.4 4.4                   INK 
 WB2  eP      12:04:50.67  -2.1   55.7 187 b:1.8+1 1.4 4.9                   WB2 
 FITZ eP      12:04:51.44   0.6   55.5 198 b:1.3+1 1.4 4.8                   FITZ
 WRAB eP      12:04:52.16  -0.5   55.7 187 b:2.5+1 1.5 5.0                   WRAB
 ABKAReP      12:05:10.23  -1.3   58.4 311 b:3.3+0 .70 4.5                   ABKA
 AS01 eP      12:05:17.79  -1.1X  59.5 187                                   AS01
      esP     12:05:19.38  -3.8 
 RES  eP      12:05:48.12  -0.5   64.0  14 b:3.5+0 .85 4.6                   RES 
 FIA1 eP      12:06:24.21  -1.4   69.7 332                                   FIA1
 GLK  eP      12:06:26.94   1.2X  69.7  47                                   GLK 
 NAC  eP      12:06:27.16  -0.8   70.1  46                                   NAC 
 PINE eP      12:06:37.61   0.5   71.5  49 b:4.9+0 .90 4.6                   PINE
 BGC  eP      12:06:53.25   1.5X  74.0  55                                   BGC 
 LRM  eP      12:06:55.98  -0.5   74.8  43                                   LRM 
 NC204eP      12:06:57.21  -0.9   75.2 338 b:6.6+0 .65 4.8                   NC20
 RAO  eP      12:06:57.97  -1.8   75.4 143 b:2.0+3 .50 7.4                   RAO 
 KVN  eP      12:07:02.83  -0.2   75.9  52 b:2.5+0 .92 4.3                   KVN 
 BOZ  eP      12:07:04.27   1.2   76.0  44 b:5.3+0 1.1 4.5                   BOZ 
 NV01 eP      12:07:04.66   0.4   76.1  53                                   NV01
 SBI  eP      12:07:13.19  -4.0X  78.5  57                                   SBI 
 PDAR eP      12:07:19.25  -0.5   78.9  45                                   PDAR
 GMRC eP      12:07:22.70  -2.9X  80.0  54                                   GMRC
 BORC eP      12:07:24.71  -2.9X  80.4  56                                   BORC
      epP     12:07:30.34  depth =  -0.5X
 SZCU eP      12:07:26.63   1.1   79.9  51 b:1.1+1 .74 4.9                   SZCU
 MTPU eS      12:17:36.76   3.8X  80.2  50                                   MTPU



 Generated 2013 MAR 26 at 12:40 UTC

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