Phase Data

Explanation of Parameters


     31 JAN 2013  ( 31)

     ot  = 14:53:41.92   +/-   2.04              NEAR EAST COAST OF HONSHU, JAPAN
     lat =      36.768   +/-    9.8
     lon =     140.490   +/-   10.0              MAGNITUDE 4.8 (GS)       
     dep =        10.1   +/-    1.9   

     44 km (28 miles) N of Mito, Honshu, Japan (pop 262,000)
     47 km (29 miles) SW of Iwaki, Honshu, Japan (pop 354,000)
     59 km (37 miles) ENE of Utsunomiya, Honshu, Japan (pop 457,000)
     137 km (85 miles) NNE of TOKYO, Japan (pop 8,489,000)

     nph =   74 of  74    se = 1.01    FE=228                            A   

     error ellipse = (132.0,  0.0, 16.5;222.0,  0.0, 13.6;330.0, 89.0,  2.8)

 mb = 4.8 ( 43)  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
 MJB9 ePn     14:54:15.40   1.7    1.9 264                                   MJB9
      eSn     14:54:41.17  S res =   4.0 
 MAJO ePn     14:54:15.39   1.7    1.9 264                                   MAJO
      eSn     14:54:41.01  S res =   3.8 
 INU  ePn     14:54:33.88   2.5    3.1 244                                   INU 
 JHJ2 ePn     14:54:38.84  -0.1    3.7 189                                   JHJ2
 ERM  ePn     14:55:05.69   0.1    5.6  21                                   ERM 
 KS01 ePn     14:56:07.48   0.7   10.1 278                                   KS01
 YSS  ePn     14:56:10.40   0.5   10.3   9                                   YSS 
 MA2  eP      14:58:54.30  -0.1   23.8  13 b:2.3+1 .70 4.9                   MA2 
 ENH  eP      14:59:17.78  -2.3   26.6 265 b:1.0+1 .65 4.7                   ENH 
 ULN  eP      14:59:21.21  -1.9   26.9 305 b:3.7+0 .80 4.1                   ULN 
 SONA1eP      14:59:25.88  -1.0   27.3 305                                   SONA
 BILL eP      15:00:28.94  -1.3   34.6  17 b:8.3+0 1.0 4.6                   BILL
 TIXI eP      15:00:37.09  -0.8   35.5 354 b:4.5+0 .80 4.4                   TIXI
 ZALV eP      15:01:28.72  -0.6   41.5 313                                   ZALV
 ZAA0 eP      15:01:28.77  -0.6   41.5 313 b:8.8+0 .55 4.7                   ZAA0
 ANM  eP      15:01:35.37   0.7   42.2  31 b:9.3+0 1.3 4.3                   ANM 
 MK01 eP      15:01:45.75  -0.7   43.6 302                                   MK01
 MKAR eP      15:01:46.49   0.0   43.6 302                                   MKAR
 MK31 eP      15:01:46.50   0.0   43.6 302                                   MK31
 MAKZ eP      15:01:48.13   0.0   43.8 302 b:1.0+1 1.5 4.4                   MAKZ
 KURK eP      15:02:00.83  -0.5   45.5 308 b:6.7+1 1.7 5.3                   KURK
 IM3  eP      15:02:15.56   0.7   47.3  31                                   IM3 
 RSO  eP      15:02:18.83   1.2   47.6  38                                   RSO 
 PPLA eP      15:02:20.70   1.3   47.8  35 b:4.9+1 1.6 5.3                   PPLA
 KDJ  eP      15:02:23.39   0.7   48.2 297 b:7.4+0 1.3 4.6                   KDJ 
 MLY  eP      15:02:25.60   1.3   48.5  32 b:1.5+1 1.4 4.9                   MLY 
 SOEI eP      15:02:26.51  -0.3   48.7 202 b:6.3+1 1.1 5.6                   SOEI
 RND  eP      15:02:30.17  -0.7   49.3  34 b:9.7+0 1.0 4.7                   RND 
 MDM  eP      15:02:33.25   0.8   49.5  32 b:1.8+1 1.2 4.9                   MDM 
 WRH  eP      15:02:33.38   0.4   49.6  33 b:1.8+1 1.6 4.8                   WRH 
 AAK  eP      15:02:35.46  -0.8   50.0 298 b:1.6+1 2.0 4.6                   AAK 
 ILB  eP      15:02:35.76  -1.1   50.1  32                                   ILB 
 IL1  eP      15:02:36.39  -0.5   50.1  32                                   IL1 
 BRVK eP      15:02:37.59  -0.5   50.3 313 b:4.6+0 .80 4.5                   BRVK
 SCRK eP      15:02:46.98   0.0   51.4  33 b:2.1+1 1.4 4.9                   SCRK
 ARSB eP      15:02:48.17   0.9   51.4 297 b:6.9+0 .95 4.6                   ARSB
 DAWY eP      15:03:01.97   0.3   53.4  33 b:1.8+1 1.8 4.8                   DAWY
 INK  eP      15:03:13.34   0.7   55.0  27 b:2.1+1 1.7 4.9                   INK 
 CHGR eP      15:03:13.59  -0.8   55.1 295 b:1.3+1 .70 5.1                   CHGR
 ARU  eP      15:03:19.80  -1.0   56.1 319 b:9.5+0 .50 5.1                   ARU 
 WB2  eP      15:03:22.60  -3.0   56.7 187                                   WB2 
      eP      15:03:24.22  -1.4 
 FITZ eP      15:03:22.86  -0.3   56.3 197 b:5.9+0 .85 4.6                   FITZ
 ABKAReP      15:03:30.75  -0.7   57.5 310                                   ABKA
 AS01 eP      15:03:50.60  -1.0   60.4 187                                   AS01
 AS31 eP      15:03:51.74   0.1   60.4 187 b:1.6+0 .70 4.3                   AS31
 RES  eP      15:04:07.73  -0.9   63.0  14 b:4.5+0 .70 4.8                   RES 
 YKB5 eP      15:04:17.49  -0.3   64.4  30                                   YKB5
 BMO  eP      15:05:08.67  -1.1   72.7  47 b:1.1+1 1.2 4.8                   BMO 
 FCC  eP      15:05:20.14  -0.5   74.6  26 b:1.6+1 1.3 4.9                   FCC 
 HRY  eP      15:05:21.58   0.0   74.7  43                                   HRY 
 YERR eP      15:05:23.32   0.6   74.8  53 b:8.8+0 .96 4.8                   YERR
 DLMT eP      15:05:24.14   0.2   75.1  44 b:1.1+1 .85 4.9                   DLMT
 BOZ  eP      15:05:26.64   0.6   75.4  44 b:1.1+1 1.1 4.8                   BOZ 
 KVN  eP      15:05:27.36   0.6   75.5  52 b:1.4+1 1.1 4.9                   KVN 
 NV01 eP      15:05:28.49   0.4   75.7  53                                   NV01
 NV11 eP      15:05:29.21   0.7   75.8  53 b:3.0-1 .85 3.4                   NV11
 ELK  eP      15:05:32.22   1.0   76.3  49 b:5.2+0 1.1 4.5                   ELK 
 GCMT eP      15:05:32.65   1.0   76.4  43                                   GCMT
 RLMT eP      15:05:35.64   0.3   77.0  43 b:5.8+0 .85 4.7                   RLMT
 R11A eP      15:05:38.77   0.7   77.5  51 b:1.2+1 1.2 4.8                   R11A
 BUR04eP      15:05:40.42  -0.4   78.1 321                                   BUR0
 TPNV eP      15:05:40.85   0.5   77.9  53 b:8.4+0 .95 4.8                   TPNV
 PD31 eP      15:05:41.85  -1.0   78.4  45                                   PD31
 PDAR eP      15:05:42.74  -0.1   78.4  45                                   PDAR
 MTPU eP      15:05:50.62  -0.3   79.8  50 b:6.3+0 .84 4.6                   MTPU
 SRU  eP      15:05:53.39   0.9   80.1  48 b:2.0+1 1.1 5.0                   SRU 
 PV10 eP      15:05:58.93  -1.0   81.5  48                                   PV10
 MVCO eP      15:06:05.10  -0.5   82.6  49 b:7.7+0 1.0 4.8                   MVCO
 TX31 eP      15:06:44.95  -1.0   90.9  52                                   TX31
      eP      15:06:45.19  -0.9 
 LPAZ ePKPbc  15:13:27.82   0.5  147.5  58                                   LPAZ



 Generated 2013 JAN 31 at 15:57 UTC

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