Phase Data

Explanation of Parameters


     26 FEB 2013  ( 57)

     ot  = 17:31:19.93   +/-   1.37              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      40.017   +/-    7.1
     lon =     142.385   +/-    9.5              MAGNITUDE 4.7 (GS)       
     dep =        56.0   +/-    8.2   

     95 km (59 miles) SE of Hachinohe, Honshu, Japan (pop 244,000)
     111 km (69 miles) ENE of Morioka, Honshu, Japan (pop 287,000)
     165 km (102 miles) ESE of Aomori, Honshu, Japan
     534 km (331 miles) NNE of TOKYO, Japan

     nph =   63 of  63    se = 0.67    FE=228                            A   

     error ellipse = (125.0, 13.0, 17.8;320.0, 75.0, 12.0;215.0,  3.0,  4.2)

 mb = 4.7 ( 39)  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
 ERM  ePn     17:31:51.75  -0.6    2.1  16                                   ERM 
 MJB9 ePn     17:32:29.80   0.4    4.8 225                                   MJB9
 MAJO ePn     17:32:29.94   0.6    4.8 225                                   MAJO
 INU  ePn     17:32:51.53   1.3    6.3 224                                   INU 
 YSS  ePn     17:32:57.74  -1.2    6.9   2                                   YSS 
 USA0BePn     17:33:26.36   2.2    8.8 302                                   USA0
 MDJ  ePn     17:33:51.33   3.3   10.5 300                                   MDJ 
 KS01 ePn     17:34:02.19  -0.5   11.6 262                                   KS01
 BJT  eP      17:35:48.03  -0.4   20.1 279 b:5.0+0 .60 4.0                   BJT 
 MA2  eP      17:35:50.68   0.0   20.3  12 b:6.0+0 1.1 3.8                   MA2 
 YOJ  eP      17:36:14.46  -0.1   22.5 232 b:2.2+2 1.6 5.3                   YOJ 
 SSLB eP      17:36:30.63  -1.1   24.3 235 b:7.5+0 1.1 4.1                   SSLB
 TPUB eP      17:36:37.07   0.3   24.8 234 b:4.9+1 1.5 4.8                   TPUB
 TWG  eP      17:36:38.16   0.7   24.9 233 b:3.3+2 2.0 5.5                   TWG 
 ULN  eP      17:36:51.55   0.0   26.4 299 b:6.7+0 1.6 4.0                   ULN 
 SONA1eP      17:36:54.11  -1.3   26.9 299                                   SONA
 XAN  eP      17:36:57.99  -1.0   27.3 268 b:7.4+0 1.3 4.1                   XAN 
 ENH  eP      17:37:08.94  -0.7   28.5 260 b:2.5+1 1.7 4.6                   ENH 
 WAKE eP      17:37:18.21   0.6   29.4 128 b:2.7+2 1.3 5.7                   WAKE
 KIWB eP      17:37:24.42   0.2   30.1  53                                   KIWB
 QIZ  eP      17:38:05.89  -0.4   34.9 243 b:7.4+1 1.9 5.3                   QIZ 
 MIDW eP      17:38:07.73   0.3   35.1  97 b:5.8+1 .80 5.6                   MIDW
 NIKH eP      17:38:08.60  -0.6   35.3  52 b:3.1+2 1.4 6.0                   NIKH
 AKUT eP      17:38:24.66  -0.3   37.1  50 b:3.3+2 1.6 6.0                   AKUT
 SDPT eP      17:38:49.33  -1.2   40.2  48 b:3.1+2 1.6 5.9                   SDPT
 WMQ  eP      17:38:51.50   0.3   40.3 294 b:1.2+1 1.4 4.5                   WMQ 
 ZAA0 eP      17:38:52.02  -1.3   40.5 310 b:6.0+0 1.3 4.2                   ZAA0
 ZALV eP      17:38:53.25   0.0   40.5 310                                   ZALV
 TNTI eP      17:38:59.66  -1.0   41.4 203 b:3.1+1 .90 5.1                   TNTI
 CHTO eP      17:39:11.55  -0.9   42.8 254 b:2.7+0 .95 4.0                   CHTO
 CM31 eP      17:39:14.59   0.3   43.0 253                                   CM31
 CM01 eP      17:39:14.69   0.3   43.1 253                                   CM01
 MK01 eP      17:39:15.01  -0.6   43.2 300                                   MK01
 MKAR eP      17:39:15.43  -0.2   43.2 300 b:2.1+1 .80 4.9                   MKAR
 MK31 eP      17:39:15.70   0.1   43.2 300                                   MK31
 MAKZ eP      17:39:17.36   0.1   43.5 300 b:4.0+0 .95 4.2                   MAKZ
 FAKI eP      17:39:20.02   0.3   43.7 195 b:7.8+1 1.3 5.3                   FAKI
 IM3  eP      17:39:20.61   1.5   43.7  32                                   IM3 
 KURK eP      17:39:27.30  -0.2   44.8 306 b:6.1+0 .90 4.4                   KURK
 RND  eP      17:39:37.03   1.2   45.8  36 b:6.8+1 1.9 5.2                   RND 
 SML  eP      17:39:39.03   0.4   46.2  38 b:1.3+2 1.9 5.5                   SML 
 MDM  eP      17:39:39.20   1.9   46.0  34 b:3.0+1 1.8 4.9                   MDM 
 SBUM eP      17:39:40.92   0.5   46.3 224 b:2.2+1 1.8 4.8                   SBUM
 ILB  eP      17:39:42.00   0.2   46.6  34                                   ILB 
 IL1  eP      17:39:42.55   0.7   46.6  34                                   IL1 
 BMRM eP      17:39:52.33  -1.0   48.0  39 b:5.0+0 .92 4.5                   BMRM
 BRVK eP      17:40:02.31  -0.1   49.2 311 b:3.7+0 .90 4.4                   BRVK
 AAK  eP      17:40:06.79  -0.3   49.8 297 b:1.7+0 .80 4.1                   AAK 
 KKAR eP      17:40:25.46  -0.5   52.3 299                                   KKAR
 KK31 eP      17:40:25.87  -0.1   52.3 299                                   KK31
 NIL  eP      17:40:42.10   0.6   54.4 287 b:7.3+0 .70 4.8                   NIL 
 ARU  eP      17:40:42.95   0.2   54.7 317 b:7.1+0 .80 4.8                   ARU 
 ABKAReP      17:40:56.86  -0.2   56.6 309                                   ABKA
 WRAB eP      17:41:19.64  -1.8   60.1 189 b:2.1+1 1.5 5.0                   WRAB
 WB2  eP      17:41:20.39  -1.1   60.1 189                                   WB2 
      eP      17:41:22.43   0.9 
 AS01 eP      17:41:46.04  -0.4   63.8 189                                   AS01
 FIA1 eP      17:42:03.07  -0.4   66.5 332 b:1.7+1 1.3 4.9                   FIA1
      eP      17:42:03.62   0.1 
 SUMG eP      17:42:11.58   0.3   67.7   0 b:2.9+1 1.8 5.0                   SUMG
 KIV  eP      17:42:23.45   0.7   69.5 311 b:1.2+1 .90 4.8                   KIV 
 BUR08eP      17:43:03.99   0.5   76.4 322                                   BUR0
 BUR04eP      17:43:04.06   0.5   76.4 322                                   BUR0



 Generated 2013 FEB 26 at 18:24 UTC

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