Phase Data

Explanation of Parameters


      1 APR 2013  ( 91)

     ot  = 08:45:16.34   +/-   1.52              KYUSHU, JAPAN                   
     lat =      30.613   +/-   11.5
     lon =     130.969   +/-    6.0              MAGNITUDE 4.6 (GS)       
     dep =        49.7   +/-    9.7   

     116 km (72 miles) SSE of Kagoshima, Kyushu, Japan (pop 604,000)
     149 km (93 miles) SSW of Miyazaki, Kyushu, Japan (pop 310,000)
     244 km (151 miles) S of Kumamoto, Kyushu, Japan
     993 km (617 miles) WSW of TOKYO, Japan

     nph =   33 of  33    se = 0.75    FE=235                            A   

     error ellipse = (168.0, 36.0, 19.7; 42.0, 37.0, 13.9;284.0, 30.0,  5.1)

 mb = 4.6 ( 21)  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
 JNU  ePn     08:45:54.78   0.1    2.5 358                                   JNU 
 JOW  ePn     08:46:20.46  -0.8    4.5 213                                   JOW 
      eSn     08:47:10.33  S res =  -1.4 
 INU  ePn     08:46:55.18  -0.3    6.9  46                                   INU 
 MAJO ePn     08:47:14.97  -1.2    8.4  44                                   MAJO
 ULN  eP      08:50:37.72   0.9   25.1 320 b:4.1+0 .80 4.0                   ULN 
 FAKI eP      08:51:50.43   0.5   33.4 178 b:1.6+1 1.3 4.7                   FAKI
 MK01 eP      08:52:51.19   0.1   40.6 308                                   MK01
 TIXI eP      08:52:54.29  -0.5   41.1 359 b:2.9+0 .80 4.1                   TIXI
 BRVK eP      08:53:56.66   0.4   48.8 316 b:1.1+1 .50 5.1                   BRVK
 KKAR eP      08:53:58.62   0.7   49.0 302 b:2.6+0 .70 4.4                   KKAR
 KK31 eP      08:53:58.84   0.9   49.0 302 b:2.6+0 .70 4.4                   KK31
 CHGR eP      08:54:11.51   0.8   50.6 297 b:1.2+1 .94 4.9                   CHGR
 ARU  eP      08:54:45.83  -0.3   55.5 320 b:6.9+0 .80 4.7                   ARU 
 ABKAReP      08:54:46.22   0.1   55.5 311 b:3.8+0 .55 4.7                   ABKA
 IM3  eP      08:54:52.88  -0.1   56.5  28                                   IM3 
      ePcP    08:55:49.86   0.7 
 CAST eP      08:54:59.32   0.5   57.3  31 b:2.7+0 1.0 4.3                   CAST
 PPLA eP      08:54:59.61   0.7   57.3  32 b:1.1+1 1.4 4.7                   PPLA
 BPAW eP      08:55:02.65   0.8   57.8  31 b:6.1+0 1.5 4.5                   BPAW
 MDM  eP      08:55:10.03   0.4   58.9  29 b:2.9+0 .80 4.5                   MDM 
 IL1  eP      08:55:13.36  -0.3   59.5  30                                   IL1 
 EGAK eP      08:55:30.16   0.0   61.9  29 b:8.5+0 1.6 4.6                   EGAK
 EPYK eP      08:55:39.93   0.4   63.3  27 b:7.2+0 .80 4.8                   EPYK
 INK  eP      08:55:43.13  -0.5   63.9  24 b:3.3+0 .70 4.5                   INK 
 SPA0 eP      08:55:50.53  -0.5   65.1 348 b:2.2+1 1.2 5.0                   SPA0
 ARCESeP      08:56:02.19  -0.3   66.8 338                                   ARCE
 FIA1 eP      08:56:23.04  -0.9   70.3 331                                   FIA1
      eP      08:56:23.22  -0.7 
 RES  eP      08:56:27.04   0.0   70.8  12 b:3.8+0 .75 4.4                   RES 
 YKB5 eP      08:56:43.12  -0.6   73.6  26                                   YKB5
 NC405eP      08:56:58.09  -1.0   76.2 334 b:2.5+1 1.6 4.9                   NC40
 BR131eP      08:56:59.40  -0.5   76.3 308 b:3.3+0 .95 4.3                   BR13



 Generated 2013 APR  1 at 09:10 UTC

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