Phase Data

Explanation of Parameters


     31 JAN 2013  ( 31)

     ot  = 16:04:47.29   +/-   1.54              NEAR S. COAST OF HONSHU, JAPAN  
     lat =      35.983   +/-    5.2
     lon =     139.746   +/-    7.4              MAGNITUDE 4.9 (GS)       
     dep =        47.7   +/-    6.3   

     33 km (21 miles) N of TOKYO, Japan (pop 8,489,000)
     60 km (37 miles) N of Yokohama, Honshu, Japan (pop 3,579,000)
     65 km (40 miles) S of Utsunomiya, Honshu, Japan (pop 457,000)
     76 km (47 miles) SE of Maebashi, Honshu, Japan (pop 318,000)

     nph =  123 of 123    se = 0.76    FE=230                            A   

     error ellipse = (236.0,  6.0, 13.5; 12.0, 81.0,  9.6;145.0,  5.0,  2.4)

 mb = 4.9 ( 82)  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
 MAJO ePn     16:05:11.13   1.1    1.4 295                                   MAJO
 MJB9 ePn     16:05:11.24   1.2    1.4 295                                   MJB9
 INU  ePn     16:05:25.78   3.1    2.3 255                                   INU 
 JHJ2 ePn     16:05:31.05   0.7    2.9 179                                   JHJ2
 ERM  ePn     16:06:20.47  -1.0    6.6  23                                   ERM 
      eSn     16:07:32.20  S res =  -2.9 
 JNU  ePn     16:06:39.66   0.7    7.9 251                                   JNU 
 KS15 ePn     16:07:03.33  -0.2    9.7 283                                   KS15
 KS01 ePn     16:07:04.46   1.2    9.6 282                                   KS01
 YSS  ePn     16:07:23.42  -1.1   11.2  11                                   YSS 
 MDJ  ePn     16:07:34.12   4.2   11.6 321                                   MDJ 
 BJT  eP      16:09:04.43  -0.5   19.0 289 b:6.5+0 .70 4.0                   BJT 
 YULB eP      16:09:17.97  -1.4   20.3 237 b:1.8+1 1.2 4.3                   YULB
 SSLB eP      16:09:18.67  -0.4   20.3 238 b:6.6+1 2.0 4.6                   SSLB
 TPUB eP      16:09:24.39  -0.5   20.8 238 b:9.7+1 1.8 4.8                   TPUB
 MA2  eP      16:10:02.67  -0.7   24.7  14 b:8.3+0 .90 4.3                   MA2 
 XAN  eP      16:10:06.76  -2.4   25.3 275 b:1.1+1 1.4 4.2                   XAN 
 ENH  eP      16:10:13.98  -0.9   25.9 266 b:9.1+0 .60 4.5                   ENH 
 ULN  eP      16:10:23.94   0.4   26.9 306                                   ULN 
 SONA1eP      16:10:27.72   0.4   27.3 306                                   SONA
 WAKE eP      16:10:41.28  -0.7   28.9 118 b:7.7+2 1.9 6.0                   WAKE
 TIXI eP      16:11:43.27  -1.4   36.2 354 b:4.7+0 .40 4.8                   TIXI
 NIKH eP      16:12:10.41  -2.4   39.5  48 b:1.5+2 1.4 5.6                   NIKH
 FAKI eP      16:12:11.22  -0.7   39.3 192 b:3.1+1 1.3 5.0                   FAKI
 PBKT eP      16:12:11.34  -1.6   39.5 251 b:8.2+0 1.5 4.3                   PBKT
 CM01 eP      16:12:16.34  -0.7   39.9 255                                   CM01
 LSA  eP      16:12:24.33  -1.8   41.0 276 b:1.2+1 1.4 4.4                   LSA 
 AKUT eP      16:12:29.08   0.5   41.4  46 b:2.1+2 1.4 5.7                   AKUT
 ZALV eP      16:12:30.13  -0.6   41.6 313                                   ZALV
      ePcP    16:14:26.13  -0.6 
 ZAA0 eP      16:12:30.67   0.0   41.6 313 b:1.5+1 .65 4.8                   ZAA0
      ePcP    16:14:26.27  -0.5 
 ANM  eP      16:12:43.87   0.7   43.2  31 b:1.1+1 1.8 4.3                   ANM 
 MK01 eP      16:12:45.92  -0.4   43.5 303                                   MK01
 MAKZ eP      16:12:48.06   0.1   43.8 303 b:7.4+0 1.2 4.3                   MAKZ
 KURK eP      16:13:01.74  -0.3   45.5 309 b:2.1+1 .75 5.1                   KURK
 PRZ  eP      16:13:15.30   0.9   47.1 298 b:1.3+1 .80 4.9                   PRZ 
 KDJ  eP      16:13:23.18   1.3   48.0 297 b:5.5+0 .70 4.7                   KDJ 
 OHAK eP      16:13:24.06  -0.5   48.4  42 b:8.8+1 1.6 5.5                   OHAK
      ePcP    16:14:50.11   0.0 
 KDAK eP      16:13:27.08  -0.1   48.8  41 b:1.4+2 1.9 5.7                   KDAK
 NRN  eP      16:13:30.30   0.3   49.1 297 b:7.2+0 1.1 4.6                   NRN 
 BPAW eP      16:13:31.10  -0.3   49.3  33 b:3.5+1 1.9 5.1                   BPAW
 BRLK eP      16:13:32.18  -0.6   49.5  39 b:1.2+2 1.9 5.6                   BRLK
 MLY  eP      16:13:33.18   0.9   49.5  32 b:1.8+1 2.0 4.8                   MLY 
      ePcP    16:14:55.14   1.3 
 TRF  eP      16:13:34.05   0.0   49.6  34 b:3.7+1 1.8 5.1                   TRF 
 COEN eP      16:13:34.86  -0.3   49.8 176 b:3.7+1 1.7 5.1                   COEN
 COLD eP      16:13:35.24   1.0   49.7  29 b:6.3+0 1.6 4.4                   COLD
 AAK  eP      16:13:35.94   0.4   49.8 299 b:7.2+0 .90 4.7                   AAK 
 RND  eP      16:13:39.07   0.3   50.3  34 b:3.1+1 1.9 5.0                   RND 
 GHO  eP      16:13:39.23   0.0   50.3  36 b:6.4+1 1.9 5.3                   GHO 
 MCK  eP      16:13:39.26   0.9   50.3  33 b:9.2+0 1.2 4.7                   MCK 
 BRVK eP      16:13:39.51   0.3   50.3 313 b:6.2+0 1.1 4.5                   BRVK
 MDM  eP      16:13:40.87   0.5   50.5  32 b:1.5+1 1.4 4.8                   MDM 
 BKNI eP      16:13:41.43   0.7   50.5 234 b:3.8+1 .40 5.8                   BKNI
      ePcP    16:14:56.72  -1.6 
 WRH  eP      16:13:41.59   0.7   50.6  32 b:4.5+1 2.0 5.2                   WRH 
      ePcP    16:14:58.11   0.2 
 SML  eP      16:13:42.02   0.7   50.6  36 b:2.6+1 1.3 5.1                   SML 
 KNK  eP      16:13:42.33   1.3   50.6  36 b:1.1+2 2.0 5.5                   KNK 
 IL1  eP      16:13:44.30  -0.4   51.1  32                                   IL1 
 ILB  eP      16:13:44.98   0.3   51.1  32                                   ILB 
 SCM  eP      16:13:45.30   0.4   51.1  36 b:1.8+1 .92 5.1                   SCM 
 ARSB eP      16:13:47.22   0.8   51.3 298 b:1.3+1 .65 5.1                   ARSB
 KLU  eP      16:13:49.88  -0.3   51.8  36 b:3.6+1 1.5 5.2                   KLU 
 MID  eP      16:13:50.13  -0.3   51.9  39 b:1.7+3 1.9 6.7                   MID 
 RIDG eP      16:13:50.31  -1.7   52.1  33 b:2.6+1 1.7 5.0                   RIDG
 EYAK eP      16:13:52.30   0.8   52.0  37 b:1.7+2 1.8 5.8                   EYAK
 GSI  eP      16:13:53.12   0.3   52.1 238 b:1.8+1 1.2 5.0                   GSI 
 HARP eP      16:13:53.57   1.6   52.1  35 b:1.1+2 1.9 5.5                   HARP
 KK31 eP      16:13:54.96  -0.5   52.5 300                                   KK31
 SCRK eP      16:13:54.97   0.3   52.4  33 b:6.3+0 1.2 4.5                   SCRK
 KKAR eP      16:13:55.23  -0.2   52.5 300                                   KKAR
 DOT  eP      16:13:56.47   1.9   52.4  33 b:2.8+1 1.6 5.0                   DOT 
 BTK  eP      16:14:01.83   0.9   53.2 297 b:3.3+0 .60 4.5                   BTK 
 NIL  eP      16:14:05.00   0.8   53.7 288 b:1.0+1 .80 4.9                   NIL 
 GAR  eP      16:14:06.44   0.2   53.9 296 b:1.5+1 .66 5.1                   GAR 
 CHGR eP      16:14:13.06  -0.2   54.9 296 b:4.0+1 .62 5.6                   CHGR
 FITZ eP      16:14:17.80   0.9   55.4 196 b:1.2+1 1.3 4.8                   FITZ
 WB2  eP      16:14:19.10  -0.9   55.8 186                                   WB2 
      eP      16:14:19.65  -0.3 
      ePcP    16:15:19.55   1.2 
 INK  eP      16:14:19.90  -0.1   55.9  27 b:3.3+0 .85 4.4                   INK 
 WRAB eP      16:14:20.25   0.3   55.8 186 b:1.3+1 1.2 4.8                   WRAB
 WC3  eP      16:14:20.28   0.2   55.9 186 b:6.6+0 .90 4.7                   WC3 
 ARU  eP      16:14:21.96  -0.6   56.3 319 b:1.2+1 .50 5.2                   ARU 
 HYT  eP      16:14:22.14   1.8   55.9  36 b:3.7+1 1.9 5.1                   HYT 
 CTAO eP      16:14:22.20   0.4   56.1 173 b:4.9+1 1.8 5.2                   CTAO
 KBL  eP      16:14:24.25  -0.9   56.5 291 b:5.2+0 .75 4.6                   KBL 
 WHY  eP      16:14:30.89   1.4   57.2  36 b:3.1+1 1.9 5.0                   WHY 
 ABKAReP      16:14:32.16   0.1   57.6 310                                   ABKA
 STCH eP      16:14:42.78   0.3   59.0  88 b:1.7+2 .54 6.4                   STCH
 AS31 eP      16:14:46.06  -0.1   59.6 186 b:4.0+0 1.6 4.3                   AS31
 AS01 eP      16:14:46.19   0.1   59.6 186                                   AS01
 MBWA eP      16:14:48.49   0.1   59.9 202 b:3.8+1 1.4 5.3                   MBWA
 SPA0 eP      16:14:57.59   0.4   61.3 349                                   SPA0
 EIDS eP      16:15:00.49  -1.7   62.0 168 b:4.4+1 1.9 5.3                   EIDS
 COCO eP      16:15:06.19  -1.4   62.7 229 b:1.1+2 1.2 5.9                   COCO
 KEV  eP      16:15:14.85  -0.1   63.9 339 b:9.5+1 1.6 5.6                   KEV 
 RES  eP      16:15:15.10   0.2   64.0  14 b:6.3+0 1.2 4.5                   RES 
 ARE0 eP      16:15:18.02  -0.6   64.5 339 b:4.3+0 1.7 4.2                   ARE0
 ARCESeP      16:15:18.39  -0.3   64.5 339                                   ARCE
 YKB5 eP      16:15:24.44   0.0   65.4  29                                   YKB5
 TULEGeP      16:15:30.00  -0.2   66.3   7 b:2.1+1 1.8 4.9                   TULE
 STKA eP      16:15:38.45   0.1   67.5 178 b:9.7+0 2.0 4.5                   STKA
 FIA1 eP      16:15:47.52  -0.5   69.1 332                                   FIA1
      eP      16:15:47.76  -0.3 
 SUMG eP      16:16:04.77   0.4   71.7 359 b:1.0+1 .90 4.8                   SUMG
 SCO  eP      16:16:11.91   0.4   73.0 354 b:2.9+1 1.6 5.0                   SCO 
 AKBB eP      16:16:18.79  -0.6   74.3 322 b:8.3+0 .95 4.7                   AKBB
 KIEV eP      16:16:18.92  -0.5   74.3 322 b:8.8+0 1.0 4.7                   KIEV
 AK11 eP      16:16:19.05  -0.6   74.3 322                                   AK11
 NC405eP      16:16:19.88   0.0   74.4 337                                   NC40
 NC303eP      16:16:20.57   0.5   74.4 337                                   NC30
 NC204eP      16:16:20.98   0.0   74.6 337                                   NC20
 NC602eP      16:16:21.36  -0.5   74.8 337                                   NC60
 NBO00eP      16:16:21.50  -0.5   74.8 337                                   NBO0
 NAO01eP      16:16:22.12  -0.5   74.9 337                                   NAO0
 FCC  eP      16:16:25.85  -0.5   75.5  26 b:3.6+1 2.0 5.0                   FCC 
 KVN  eP      16:16:32.35   0.0   76.5  51 b:3.6+0 1.0 4.3                   KVN 
 NV01 eP      16:16:34.58   0.9   76.7  52                                   NV01
 SRU  eP      16:16:58.43   0.6   81.1  48 b:1.2+1 1.6 4.6                   SRU 



 Generated 2013 JAN 31 at 17:31 UTC

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