Phase Data

Explanation of Parameters


     16 FEB 2013  ( 47)

     ot  = 07:53:31.61   +/-   1.71              RYUKYU ISLANDS, JAPAN           
     lat =      28.160   +/-   10.0
     lon =     128.040   +/-   14.8              MAGNITUDE 4.4 (GS)       
     dep =       123.7   +/-    4.1   

     219 km (136 miles) N of Naha, Okinawa, Japan
     452 km (281 miles) SSW of Kagoshima, Kyushu, Japan
     528 km (328 miles) SW of Miyazaki, Kyushu, Japan
     1385 km (860 miles) SW of TOKYO, Japan

     nph =   82 of  82    se = 0.84    FE=238                            A   

     error ellipse = (263.0,  5.0, 22.8;172.0, 10.0, 15.3; 22.0, 78.0,  5.3)

 mb = 4.4 ( 68)  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
 JOW  ePn     07:53:57.93   0.5    1.3 171                                   JOW 
      eSn     07:54:16.76  S res =  -0.3 
 JNU  ePn     07:54:53.94   2.2    5.5  26                                   JNU 
 SSLB ePn     07:55:21.86   0.5    7.7 237                                   SSLB
 BJT  ePn     07:57:06.17   4.5   15.4 323 b:2.4+1 .90 4.5                   BJT 
 ENH  ePn     07:57:16.81   3.0   16.3 282 b:8.7+0 .70 4.1                   ENH 
 XAN  eP      07:57:27.94   2.0   17.4 294 b:1.3+1 .55 4.4                   XAN 
 SONA1eP      07:58:53.89   2.1   25.9 325                                   SONA
 FAKI eP      07:59:37.80  -1.2   31.2 172 b:1.6+1 1.0 4.7                   FAKI
 MK31 eP      08:00:54.23  -1.2   40.1 310                                   MK31
 MKAR eP      08:00:54.24  -1.1   40.1 310 b:5.2+0 .70 4.4                   MKAR
 MK01 eP      08:00:54.73  -0.6   40.1 310                                   MK01
 KURK eP      08:01:19.51  -1.6   43.3 315 b:1.2+0 1.0 3.6                   KURK
 FITZ eP      08:01:43.75   0.8   46.0 183 b:6.7+0 .80 4.4                   FITZ
 WRAB eP      08:01:59.63  -0.1   48.2 172 b:6.3+0 .85 4.4                   WRAB
 WB2  eP      08:01:59.85   0.1   48.2 172                                   WB2 
      eP      08:01:59.90   0.1 
 MBWA eP      08:02:11.22   0.2   49.7 190 b:8.7+0 .95 4.6                   MBWA
 AS31 eP      08:02:27.54   0.4   51.8 173 b:9.0-1 .55 3.9                   AS31
 AS01 eP      08:02:27.57   0.4   51.8 173                                   AS01
 ANM  eP      08:02:49.19   0.1   54.9  29 b:1.5+0 .84 4.0                   ANM 
 ABKAReP      08:02:50.36  -1.2   55.2 312                                   ABKA
 CHGN eP      08:03:09.84  -1.6   58.0  39 b:1.9+1 1.2 5.0                   CHGN
 SVW2 eP      08:03:20.04   0.5   59.2  33 b:3.8+0 .72 4.5                   SVW2
 IM3  eP      08:03:23.41  -0.4   59.9  28                                   IM3 
 OHAK eP      08:03:29.48  -0.7   60.8  38 b:2.0+1 1.0 5.1                   OHAK
 CAST eP      08:03:29.65  -0.1   60.7  31 b:3.8+0 .84 4.4                   CAST
 PPLA eP      08:03:29.84  -0.1   60.7  31 b:4.7+0 1.0 4.4                   PPLA
 KDAK eP      08:03:31.64  -0.6   61.1  37 b:6.9+0 .55 4.8                   KDAK
 MLY  eP      08:03:32.78   0.0   61.2  29 b:3.6+0 .56 4.6                   MLY 
 STKA eP      08:03:32.81   0.3   61.1 167 b:3.0-1 .75 3.4                   STKA
 BBOO eP      08:03:33.15   0.5   61.1 172 b:2.9+0 1.1 4.2                   BBOO
 SUA  eP      08:03:34.47  -1.0   61.5  33 b:1.0+1 .80 4.9                   SUA 
 TRF  eP      08:03:36.17   0.8   61.5  30 b:1.0+0 .80 3.9                   TRF 
 RC01 eP      08:03:37.88  -1.0   62.1  33 b:1.1+1 1.2 4.7                   RC01
 MCK  eP      08:03:38.31  -0.6   62.1  30 b:8.8+0 1.0 4.7                   MCK 
 RND  eP      08:03:38.37  -1.2   62.2  30 b:1.1+1 .60 5.0                   RND 
 MDM  eP      08:03:39.80  -0.1   62.2  29 b:1.1+1 .72 4.9                   MDM 
 WRH  eP      08:03:41.12   0.4   62.4  29 b:3.2+0 1.0 4.2                   WRH 
 COLA eP      08:03:41.31   0.3   62.4  29 b:5.4+0 .45 4.8                   COLA
 IL1  eP      08:03:42.35  -1.5   62.8  29                                   IL1 
 HDA  eP      08:03:42.73  -1.3   62.9  29 b:5.7+0 .76 4.6                   HDA 
 ILB  eP      08:03:42.90  -0.9   62.8  29                                   ILB 
 DHY  eP      08:03:43.70  -0.7   62.9  31 b:6.4+0 1.0 4.5                   DHY 
 SCM  eP      08:03:45.48  -0.3   63.1  32 b:3.8+0 .52 4.6                   SCM 
 PRP  eP      08:03:46.53  -0.5   63.3  28 b:2.0+0 .80 4.1                   PRP 
 RIDG eP      08:03:49.79  -1.1   63.9  30 b:4.1+0 .60 4.5                   RIDG
 KLU  eP      08:03:50.13  -0.4   63.8  32 b:3.4+0 .80 4.3                   KLU 
 DIV  eP      08:03:51.45   0.0   64.0  33 b:4.3+0 .52 4.6                   DIV 
 HARP eP      08:03:51.66   0.0   64.0  31 b:8.9+0 .94 4.7                   HARP
 SCRK eP      08:03:51.97  -1.1   64.2  29 b:3.3+0 .72 4.4                   SCRK
 MENT eP      08:03:55.28   0.1   64.5  30 b:5.4+0 .48 4.8                   MENT
 EGAK eP      08:03:58.79  -0.8   65.2  28 b:2.2+0 1.0 4.0                   EGAK
 DAWY eP      08:04:05.06  -0.5   66.2  29 b:1.9+0 .75 4.1                   DAWY
 EPYK eP      08:04:07.86  -0.5   66.6  26 b:5.9+0 .85 4.5                   EPYK
 INK  eP      08:04:11.56  -0.4   67.2  24 b:1.7+0 1.0 3.9                   INK 
 HYT  eP      08:04:17.32   0.4   67.9  32 b:3.0+0 .68 4.3                   HYT 
 WHY  eP      08:04:24.86   0.0   69.2  32 b:1.1+0 .90 3.7                   WHY 
 RES  eP      08:04:50.57  -0.8   73.7  11 b:1.0+0 1.0 3.5                   RES 
 YKB5 eP      08:05:09.00  -0.6   76.9  25                                   YKB5
 YKW3 eP      08:05:09.17  -0.2   76.8  25 b:3.8+0 1.1 4.1                   YKW3
 D08A eP      08:05:47.84   0.2   83.9  39 b:2.8+0 .80 4.2                   D08A
 HUMO eP      08:05:49.22   0.9   84.0  45 b:9.0-1 .85 3.7                   HUMO
 NEW  eP      08:05:49.46   0.4   84.2  38 b:1.6+0 .65 4.0                   NEW 
 G08A eP      08:05:50.37  -2.5   84.9  41 b:2.1+0 .75 4.1                   G08A
 PINE eP      08:05:52.52   1.1   84.6  43 b:4.3+0 .95 4.3                   PINE
 ITM  eP      08:05:52.54  -1.0   85.0 310 b:1.7+1 1.1 4.8                   ITM 
 I07A eP      08:05:55.71   0.9   85.3  42 b:6.0-1 .80 3.5                   I07A
 BMO  eP      08:05:59.25   0.4   86.1  40 b:1.2+0 1.0 3.8                   BMO 
 FCC  eP      08:05:59.47  -1.3   86.6  20 b:3.4+0 .70 4.4                   FCC 
 J08A eP      08:06:00.79   0.9   86.3  42 b:3.6+0 .70 4.4                   J08A
 FFC  eP      08:06:02.02  -0.6   86.9  26 b:2.8+0 .65 4.4                   FFC 
 HRY  eP      08:06:08.60   0.8   88.0  37                                   HRY 
 DLMT eP      08:06:10.65   0.7   88.4  38 b:2.6+0 .70 4.4                   DLMT
 HLID eP      08:06:11.88   1.2   88.5  40 b:2.6+0 .95 4.3                   HLID
 RLMT eP      08:06:19.96   0.8   90.4  37 b:7.0-1 .75 3.8                   RLMT
 R11A eP      08:06:23.33   0.8   91.1  45 b:1.2+0 1.1 4.0                   R11A
 PDAR eP      08:06:25.81   0.0   91.8  38                                   PDAR
 BW06 eP      08:06:26.26   0.5   91.8  38 b:1.3+0 1.1 4.1                   BW06
 LCMT eP      08:06:30.40  -2.6   93.3  45 b:1.0+0 .74 4.2                   LCMT
 SRU  eP      08:06:35.09   0.7   93.6  42 b:1.5+0 .68 4.4                   SRU 
 PTGA ePKPbc  08:13:11.92  -0.4  151.7  17                                   PTGA



 Generated 2013 FEB 16 at 08:28 UTC

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