Phase Data

Explanation of Parameters


      8 FEB 2013  ( 39)

     ot  = 05:15:50.64   +/-   1.67              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      38.057   +/-   11.5
     lon =     142.936   +/-   13.0              MAGNITUDE 4.6 (GS)       
     dep =        16.4   +/-    5.3   

     181 km (112 miles) E of Sendai, Honshu, Japan
     213 km (132 miles) ENE of Iwaki, Honshu, Japan
     220 km (136 miles) E of Fukushima, Honshu, Japan
     387 km (240 miles) NE of TOKYO, Japan

     nph =   65 of  65    se = 0.83    FE=228                            A   

     error ellipse = (127.0,  7.0, 22.7;217.0,  2.0, 14.0;324.0, 82.0,  7.5)

 mb = 4.6 ( 40)  ML = 4.0 (  6)  mblg = 3.6 (  7)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ERM  ePn     05:16:52.68   2.1    4.0   2 L:5.1-1 1.4 4.1  g:4.5-1 1.3 4.1  ERM 
      eSn     05:17:32.95  S res =  -3.7 
 MAJO ePn     05:16:54.68   2.6    4.1 250 L:3.4-1 .86 3.9                   MAJO
 MJB9 ePn     05:16:54.92   2.8    4.1 250 g:1.1-1 .85 3.5                   MJB9
      eSn     05:17:27.86  S res = -11.5 
 INU  ePn     05:17:13.71   2.4    5.5 242 L:2.1-1 2.0 4.1  g:1.4-1 1.2 3.8  INU 
 USA0BePn     05:18:21.64   4.2   10.3 310                                   USA0
 JNU  ePn     05:18:32.96   5.9   11.0 247                                   JNU 
 ULN  eP      05:21:38.99  -0.1   27.8 302 b:7.4+0 .80 4.5                   ULN 
 SONA1eP      05:21:42.71  -0.2   28.2 302                                   SONA
 ZALV eP      05:23:41.30  -0.6   42.1 312                                   ZALV
 ZAA0 eP      05:23:41.50  -0.4   42.1 312 b:6.6+0 .95 4.3                   ZAA0
 PBKT eP      05:23:47.36   1.8   42.5 252 b:5.9+0 .90 4.3                   PBKT
 CM01 eP      05:23:50.14   1.3   42.9 256                                   CM01
 MK01 eP      05:24:01.10  -0.9   44.6 302                                   MK01
 SHL  eP      05:24:01.68  -0.8   44.6 269 b:1.0+1 .58 4.9                   SHL 
 MK31 eP      05:24:02.00   0.0   44.6 302                                   MK31
 MKAR eP      05:24:02.00   0.0   44.6 302 b:4.8+1 .70 5.5                   MKAR
 MAKZ eP      05:24:03.09  -0.6   44.8 302 b:8.0+0 .90 4.6                   MAKZ
 KURK eP      05:24:14.46  -0.5   46.3 308 b:2.8+1 .75 5.3                   KURK
 MDM  eP      05:24:23.76   0.0   47.4  33 b:8.6+0 1.0 4.8                   MDM 
 IL1  eP      05:24:26.64  -1.6   48.0  33                                   IL1 
 ILB  eP      05:24:27.15  -1.1   48.0  33                                   ILB 
 BRVK eP      05:24:50.01  -0.2   50.8 312 b:7.0+0 .90 4.6                   BRVK
 AAK  eP      05:24:56.06   3.7   51.1 298 b:2.8+0 .85 4.2                   AAK 
 KK31 eP      05:25:11.50   0.1   53.7 300                                   KK31
 KKAR eP      05:25:11.50   0.1   53.7 300                                   KKAR
 GAR  eP      05:25:23.21  -0.6   55.3 295 b:5.7+0 .60 4.8                   GAR 
 CHGR eP      05:25:31.76   1.0   56.3 296 b:1.9+1 .74 5.2                   CHGR
 ABKAReP      05:25:43.27  -0.5   58.2 310                                   ABKA
 WB2  eP      05:25:43.77  -0.5   58.3 190                                   WB2 
      eP      05:25:44.30   0.0 
 KBL  eP      05:25:44.09   0.0   58.2 291 b:8.9+0 .85 4.8                   KBL 
 AS01 eP      05:26:07.39  -2.4   62.0 189                                   AS01
 PINE eP      05:26:54.53   0.6   68.8  51 b:6.9+0 1.0 4.8                   PINE
 FORT eP      05:27:01.39   0.9   69.9 194 b:1.6+1 .75 5.2                   FORT
 J08A eP      05:27:04.70   0.2   70.5  50 b:5.8+0 1.1 4.6                   J08A
 BEKR eP      05:27:09.56   0.1   71.3  54 b:3.4+0 .88 4.5                   BEKR
 FFC  eP      05:27:13.69  -0.7   72.2  33 b:7.0+0 1.0 4.7                   FFC 
 CMB  eP      05:27:15.39   0.0   72.3  55 b:3.7+0 1.0 4.4                   CMB 
 EGMT eP      05:27:16.00  -1.7   72.7  42 b:5.2+0 .85 4.6                   EGMT
 LRM  eP      05:27:16.90   3.3   72.0  44                                   LRM 
 KVN  eP      05:27:20.97   0.1   73.2  53 b:5.2+0 1.0 4.5                   KVN 
 NV01 eP      05:27:21.92  -0.3   73.4  54                                   NV01
 NC204eP      05:27:22.92  -0.1   73.7 338                                   NC20
 IMW  eP      05:27:29.85   0.7   74.6  46 b:4.0+0 .80 4.5                   IMW 
 TPAW eP      05:27:30.06  -0.5   74.8  46 b:2.7+0 .80 4.3                   TPAW
 FXWY eP      05:27:30.24   0.5   74.7  46 b:3.3+0 .95 4.3                   FXWY
 HVU  eP      05:27:30.65   0.3   74.8  49 b:3.3+0 .88 4.4                   HVU 
 MOOW eP      05:27:30.70   0.4   74.8  46 b:2.7+0 1.0 4.2                   MOOW
 LAO  eP      05:27:33.50   0.0   75.4  42 b:6.9+0 1.0 4.7                   LAO 
 DUG  eP      05:27:36.02   0.2   75.8  50 b:4.2+0 .85 4.5                   DUG 
 PDAR eP      05:27:36.69  -1.0   76.1  46                                   PDAR
 PD31 eP      05:27:37.07  -0.6   76.1  46                                   PD31
 BW06 eP      05:27:37.11  -0.6   76.1  46 b:2.6+0 .80 4.3                   BW06
 MPU  eP      05:27:40.75   0.2   76.6  49 b:3.5+0 .82 4.5                   MPU 
 CCUT eP      05:27:43.89   0.6   77.1  52 b:4.4+0 1.1 4.4                   CCUT
 KNB  eP      05:27:46.17  -0.8   77.7  52 b:4.5+0 1.1 4.4                   KNB 
 SRU  eP      05:27:47.39  -0.1   77.8  50 b:5.2+0 .82 4.6                   SRU 
 PV16 eP      05:27:56.12   0.4   79.3  49 b:2.2+0 .76 4.3                   PV16
 PV05 eP      05:27:56.22   0.1   79.4  50 b:7.6+0 .90 4.7                   PV05
 Y14A eP      05:27:56.70  -0.1   79.5  55 b:2.7+0 .95 4.2                   Y14A
 PV13 eP      05:27:57.09   0.5   79.5  50 b:8.0+0 .92 4.7                   PV13
 X16A eP      05:28:01.57   0.8   80.2  54 b:2.4+0 .90 4.2                   X16A
 ANMO eP      05:28:15.99   0.6   83.0  51 b:4.9+0 1.1 4.6                   ANMO



 Generated 2013 FEB  8 at 05:34 UTC

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