Phase Data

Explanation of Parameters


      5 FEB 2013  ( 36)

     ot  = 13:31:03.67   +/-   0.51              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      38.701   +/-    4.3
     lon =     142.000   +/-    4.3              MAGNITUDE 4.8 (GS)       
     dep =        51.4   +/-    4.5   

     109 km (68 miles) ENE of Sendai, Honshu, Japan (pop 1,024,000)
     133 km (83 miles) SE of Morioka, Honshu, Japan (pop 287,000)
     153 km (95 miles) ENE of Yamagata, Honshu, Japan (pop 255,000)
     390 km (242 miles) NNE of TOKYO, Japan

     nph =   84 of  84    se = 0.96    FE=228                            A   

     error ellipse = (299.1, 35.0,  7.6;170.4, 41.7,  6.9; 51.5, 28.5,  5.2)

 mb = 4.8 ( 48)  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     13:31:54.59   0.1    3.4  15 L:1.6+0 1.0 4.6X g:6.4-1 .95 4.1X ERM 
 MAJO ePn     13:32:00.05   1.7    3.7 236 L:6.0-1 .83 4.3X g:1.5-1 .70 3.6X MAJO
 MJB9 ePn     13:32:00.17   1.8    3.7 236 g:1.5-1 .71 3.6X                  MJB9
 INU  ePn     13:32:20.99   2.0    5.2 232 L:3.8-1 .85 4.5X g:1.1-1 .70 3.7X INU 
 JHJ2 ePn     13:32:26.95  -0.9    5.9 198 L:2.4+0 .60 5.4X                  JHJ2
 YSS  ePn     13:32:59.53  -1.3    8.3   4 L:1.0-1 3.0 4.4X                  YSS 
 USA0BePn     13:33:17.11   2.0    9.3 309                                   USA0
 JNU  ePn     13:33:34.40   1.6   10.6 242                                   JNU 
 MDJ  ePn     13:33:38.05  -0.2   11.0 306                                   MDJ 
 KS01 ePn     13:33:39.14  -1.7   11.2 268                                   KS01
 SSE  eP      13:35:18.04   0.7   18.7 252 g:4.0-2 1.0 4.0X b:4.0+1 1.0 4.6  SSE 
 HIA  eP      13:35:22.94   0.7   19.1 311 b:1.2+1 .60 4.3                   HIA 
 BJT  eP      13:35:31.38  -0.5   20.0 282 b:1.9+1 1.1 4.3                   BJT 
 TWG  eP      13:36:11.09  -1.3   23.9 235 b:1.6+2 1.1 5.4                   TWG 
 XAN  eP      13:36:37.96  -2.4   27.0 270 b:8.4+0 .60 4.5                   XAN 
 ULN  eP      13:36:39.04  -0.3   26.8 301 b:4.6+0 .60 4.3                   ULN 
 SONA1eP      13:36:42.70  -0.6   27.3 301                                   SONA
 ENH  eP      13:36:47.45  -2.1   28.0 262 b:3.2+1 .70 5.1                   ENH 
 BILL eP      13:37:27.39   0.1   32.3  17 b:5.9+0 1.0 4.4                   BILL
 TIXI eP      13:37:36.57  -2.8   33.7 353 b:3.2+0 .60 4.4                   TIXI
 WMQ  eP      13:38:37.00  -0.8   40.5 295 b:2.4+1 .75 5.1                   WMQ 
 ZALV eP      13:38:42.15  -0.5   41.2 311                                   ZALV
 ZAA0 eP      13:38:42.50  -0.2   41.2 311 b:9.1+0 .60 4.7                   ZAA0
 CHTO eP      13:38:50.20  -1.2   42.2 254 b:5.7+0 .55 4.5                   CHTO
 PBKT eP      13:38:50.53   0.1   42.0 250                                   PBKT
 CM01 eP      13:38:52.32  -0.9   42.4 254                                   CM01
 LSA  eP      13:38:53.38  -1.5   42.5 274 b:9.4+0 .95 4.5                   LSA 
 MK31 eP      13:39:03.44   0.4   43.6 301                                   MK31
 MK01 eP      13:39:03.48   0.4   43.6 301                                   MK01
 MKAR eP      13:39:03.62   0.5   43.6 301 b:7.4+1 .70 5.5                   MKAR
 MAKZ eP      13:39:05.42   0.7   43.9 301 b:1.1+1 .85 4.6                   MAKZ
 KURK eP      13:39:16.44   0.4   45.3 307 b:3.4+1 .65 5.4                   KURK
 MLY  eP      13:39:24.13   1.0   46.2  33 b:7.2+0 1.2 4.5                   MLY 
 KSM  eP      13:39:31.56   1.4   47.0 226 b:1.6+1 1.2 4.8                   KSM 
 BRVK eP      13:39:52.02   0.5   49.9 311 b:1.3+1 1.1 4.9                   BRVK
 AAK  eP      13:39:52.70  -1.2   50.1 297 b:4.0+0 .70 4.6                   AAK 
 IPM  eP      13:39:56.36   0.2   50.4 238 b:1.4+1 .60 5.2                   IPM 
 ARSB eP      13:40:05.85   0.6   51.6 296 b:1.5+1 .85 5.0                   ARSB
 KKAR eP      13:40:12.95   0.0   52.7 299                                   KKAR
 KK31 eP      13:40:12.95   0.0   52.7 299                                   KK31
 GAR  eP      13:40:25.96   0.3   54.4 295 b:9.2+0 .52 5.0                   GAR 
 NIL  eP      13:40:26.68   0.1   54.5 287 b:2.8+1 .60 5.5                   NIL 
 CHGR eP      13:40:32.94   0.3   55.4 295 b:5.8+1 1.5 5.4                   CHGR
 ARU  eP      13:40:32.96   0.4   55.4 318 b:2.3+1 1.1 5.1                   ARU 
 ABKAReP      13:40:45.49   0.0   57.2 309                                   ABKA
 KBL  eP      13:40:46.03  -0.2   57.3 290 b:9.2+0 1.1 4.8                   KBL 
 WRAB eP      13:40:55.38  -1.1   58.8 188 b:1.0+1 .90 5.0                   WRAB
 WB2  eP      13:40:55.53  -1.0   58.8 188                                   WB2 
 AS01 eP      13:41:20.63  -1.2   62.5 188                                   AS01
 AS31 eP      13:41:21.03  -0.8   62.5 188 b:1.2+0 .70 4.1                   AS31
 FIA1 eP      13:41:54.31   0.0   67.6 332                                   FIA1
 KIV  eP      13:42:11.42   0.5   70.2 311 b:2.6+1 .90 5.2                   KIV 
 BEKR eP      13:42:19.30   0.1   71.5  54 b:1.9+1 1.6 4.8                   BEKR
 PAHR eP      13:42:23.28  -0.1   72.2  53 b:6.2+0 1.2 4.4                   PAHR
 AKBB eP      13:42:29.02  -0.3   73.3 322 b:1.5+1 1.0 4.9                   AKBB
 KIEV eP      13:42:29.25  -0.1   73.3 322 b:1.5+1 1.0 4.9                   KIEV
 AK11 eP      13:42:29.39  -0.1   73.3 322                                   AK11
 BOZ  eP      13:42:29.46   0.3   73.2  45 b:8.7+0 .73 4.8                   BOZ 
 HVU  eP      13:42:40.50   1.0   75.0  48 b:5.3+0 1.2 4.3                   HVU 
 R11A eP      13:42:42.74   0.7   75.4  53 b:2.3+0 1.0 4.1                   R11A
 DUG  eP      13:42:45.18   0.1   75.9  50 b:2.8+0 .80 4.2                   DUG 
 PDAR eP      13:42:46.47  -0.1   76.2  46                                   PDAR
 PD31 eP      13:42:46.49  -0.1   76.2  46                                   PD31
 BUR04eP      13:42:52.37  -0.3   77.3 322                                   BUR0
 BUR08eP      13:42:52.71   0.1   77.3 322                                   BUR0
 OJC  eP      13:42:56.62   0.7   77.9 326 b:1.8+1 1.2 5.0                   OJC 
 SRU  eP      13:42:57.58   0.9   78.0  49 b:7.0+0 1.0 4.6                   SRU 
 BR131eP      13:42:57.84   0.5   78.1 312                                   BR13
 MORC eP      13:43:03.85   0.7   79.2 327 b:9.6+0 1.0 4.7                   MORC
 PV13 eP      13:43:06.57   0.9   79.6  49 b:1.8+1 1.6 4.7                   PV13
 CLL  eP      13:43:06.99   0.3   79.9 330 b:1.1+1 .80 4.8                   CLL 
 KHC  eP      13:43:15.16   0.4   81.4 329 b:3.1+0 .80 4.3                   KHC 
 GEA0 eP      13:43:15.64  -0.1   81.5 328                                   GEA0
 VTS  eP      13:43:17.30  -0.3   81.9 319 b:8.9+0 .80 4.8                   VTS 
 PV17 epP     13:43:17.79  -1.7   79.4  49                                   PV17
 TTG  eP      13:43:28.16   0.0   84.0 321 b:1.5+1 .90 5.0                   TTG 
 LIT  eP      13:43:28.87   0.1   84.0 318 b:1.3+1 .86 5.0                   LIT 
 FUORNeP      13:43:32.88   0.5   84.7 329 b:1.7+1 .70 5.3                   FUOR
 TX31 eP      13:43:52.22   0.2   88.7  53                                   TX31
 QSPA ePKPdf  13:50:03.01  -0.6  128.4 180                                   QSPA
 LPAZ ePKPdf  13:50:37.01  -0.1  145.4  58                                   LPAZ
 PB11 ePKPdf  13:50:39.75   1.0  146.8  64                                   PB11
 MNMC ePKPdf  13:50:40.34   2.1  146.4  64                                   MNMC
 LCO  ePKPbc  13:50:51.27  -0.7  151.3  80                                   LCO 



 Generated 2013 FEB  5 at 15:29 UTC

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