Phase Data

Explanation of Parameters


      8 FEB 2013  ( 39)

     ot  = 00:54:16.45   +/-   1.32              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      39.149   +/-   11.4
     lon =     142.927   +/-   15.1              MAGNITUDE 4.7 (GS)       
     dep =        39.0   +/-    5.6   

     165 km (102 miles) ESE of Morioka, Honshu, Japan
     196 km (122 miles) SE of Hachinohe, Honshu, Japan
     204 km (126 miles) ENE of Sendai, Honshu, Japan
     476 km (296 miles) NE of TOKYO, Japan

     nph =   46 of  46    se = 0.65    FE=228                            A   

     error ellipse = (116.0, 13.0, 25.3;206.0,  3.0, 15.3;311.0, 76.0,  6.3)

 mb = 4.7 ( 19)  ML = 4.1 (  6)  mblg = 3.4 (  7)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ERM  ePn     00:54:58.92  -0.7    2.9   3 L:1.5+0 .90 4.2  g:3.3-1 .90 3.8  ERM 
      eSn     00:55:22.10  S res = -10.8 
 MAJO ePn     00:55:24.53   1.7    4.6 237 L:2.0-1 .88 3.9  g:7.0-2 1.0 3.4  MAJO
 MJB9 ePn     00:55:24.57   1.7    4.6 237 g:7.0-2 1.0 3.4                   MJB9
 INU  ePn     00:55:44.46   1.2    6.0 233 L:1.8-1 2.2 4.3  g:4.0-2 .80 3.3  INU 
 USA0BePn     00:56:35.70   3.5    9.6 305                                   USA0
 KS01 ePn     00:57:05.29   1.4   11.9 267                                   KS01
 SONA1eP      01:00:00.27  -0.4   27.7 300                                   SONA
 ZALV eP      01:01:58.05  -0.7   41.4 311                                   ZALV
      ePcP    01:03:56.17   0.0 
 ZAA0 eP      01:01:58.27  -0.5   41.4 311 b:6.0+0 .70 4.4                   ZAA0
 PBKT eP      01:02:11.92   0.8   42.9 251 b:6.9+0 1.0 4.3                   PBKT
 CHTO eP      01:02:12.33   0.3   43.0 255 b:6.3+0 .85 4.4                   CHTO
 CM01 eP      01:02:13.89   0.0   43.2 254                                   CM01
 MK01 eP      01:02:19.90  -0.4   44.0 301                                   MK01
 MK31 eP      01:02:20.05  -0.2   44.0 301                                   MK31
 MKAR eP      01:02:20.05  -0.2   44.0 301 b:6.3+1 .65 5.5                   MKAR
 MAKZ eP      01:02:21.74  -0.2   44.3 301 b:1.2+1 .95 4.7                   MAKZ
 IM3  eP      01:02:23.55   2.1   44.2  32                                   IM3 
 KURK eP      01:02:32.18  -0.3   45.6 307 b:4.0+1 1.1 5.2                   KURK
 IL1  eP      01:02:44.04   0.1   47.1  33                                   IL1 
      epP     01:02:54.99  depth =   0.4 
 ILB  eP      01:02:44.62   0.7   47.1  33                                   ILB 
      epP     01:02:52.70  depth =  -1.8 
 PRZ  eP      01:02:51.74   0.8   47.9 296 b:1.4+1 1.0 4.9                   PRZ 
 NRN  eP      01:03:07.20   0.5   50.0 295 b:3.2+0 .95 4.3                   NRN 
 BRVK eP      01:03:07.31  -0.1   50.1 311 b:9.4+0 .90 4.8                   BRVK
 AAK  eP      01:03:11.19   0.0   50.6 297 b:3.7+0 .85 4.4                   AAK 
 INK  eP      01:03:22.51   1.4   52.0  28 b:1.8+0 .65 4.2                   INK 
 KK31 eP      01:03:29.77  -0.3   53.1 299                                   KK31
 KKAR eP      01:03:29.77  -0.3   53.1 299                                   KKAR
 NIL  eP      01:03:44.88   0.2   55.1 288 b:1.1+1 .70 5.0                   NIL 
 CHGR eP      01:03:50.01  -0.1   55.8 295 b:4.4+1 .82 5.5                   CHGR
 ABKAReP      01:04:01.12  -0.4   57.5 310                                   ABKA
 KBL  eP      01:04:03.67  -0.4   57.8 291 b:1.1+1 .90 4.9                   KBL 
 WB2  eP      01:04:14.02  -0.4   59.3 189                                   WB2 
 RES  eP      01:04:20.67   0.5   60.3  15 b:2.3+0 .70 4.4                   RES 
 AS01 eP      01:04:39.49  -0.1   63.0 189                                   AS01
 GYA0BeP      01:04:45.20   0.1   63.9 299 b:6.7+0 1.0 4.7                   GYA0
 NC204eP      01:05:39.95   0.3   72.6 338                                   NC20
 AK11 eP      01:05:43.27  -0.9   73.4 323                                   AK11
 SIRT eP      01:05:51.19   0.6   74.4 306 b:2.1+1 1.1 5.0                   SIRT
 BUR04eP      01:06:07.50   0.2   77.4 322                                   BUR0
 BUR08eP      01:06:07.82   0.6   77.4 322                                   BUR0
 CLL  eP      01:06:19.80  -0.9   79.9 331 b:4.8+0 .90 4.5                   CLL 
 FUORNeP      01:06:45.67  -0.8   84.7 330 b:7.6+0 .95 4.8                   FUOR



 Generated 2013 FEB  8 at 01:20 UTC

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