Phase Data

Explanation of Parameters


      7 FEB 2013  ( 38)

     ot  = 07:38:18.63   +/-   1.50              MID-INDIAN RIDGE                
     lat =     -33.653   +/-    8.5
     lon =      77.585   +/-   12.9              MAGNITUDE 4.8 (GS)       
     dep =        10.0   +/-    1.6   

     464 km (288 miles) N of Amsterdam Island
     3567 km (2215 miles) WSW of PERTH, Western Australia, Australia

     nph =   28 of  28    se = 0.74    FE=429                            A   

     error ellipse = (270.0,  0.0, 19.8;180.0,  9.0, 13.3;  3.0, 80.0,  1.1)

 mb = 4.8 ( 17)  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
 MRIV eP      07:43:16.86   1.1   22.3 302                                   MRIV
 RER  eP      07:43:24.91   1.3   23.0 297 b:5.2+1 1.0 5.0                   RER 
 FITZ eP      07:46:39.08   0.5   45.5  83                                   FITZ
 LBTB eP      07:46:40.12  -0.2   45.7 267 b:4.6+0 .90 4.4                   LBTB
 LSZ  eP      07:46:59.26   0.6   48.1 280 b:1.0+1 .90 4.9                   LSZ 
 AS01 eP      07:47:12.44  -0.4   49.9  94                                   AS01
 AS31 eP      07:47:12.82   0.3   49.9  94 b:2.2+0 1.1 4.1                   AS31
 WB2  eP      07:47:27.05  -0.6   51.9  90                                   WB2 
      eP      07:47:28.78   1.1 
 TOO  eP      07:47:47.14   2.3   54.3 115 b:1.6+1 1.1 4.9                   TOO 
 PBKT eP      07:47:48.52   0.4   54.7  28 b:8.0+0 1.1 4.6                   PBKT
 SNAA eP      07:47:52.06  -1.0   55.5 202 b:5.2+0 1.1 4.5                   SNAA
 QSPA eP      07:48:00.89   0.2   56.5 180 b:1.6+1 1.1 4.9                   QSPA
 NIL  eP      07:49:11.54  -0.5   67.1 356 b:1.4+1 1.0 5.1                   NIL 
 KBL  eP      07:49:19.72  -0.3   68.3 352 b:2.2+1 1.0 5.3                   KBL 
 KK31 eP      07:50:09.89   0.5   76.7 355                                   KK31
 KKAR eP      07:50:09.92   0.5   76.7 355                                   KKAR
 MK01 eP      07:50:27.32  -1.4   80.2   3                                   MK01
 MAKZ eP      07:50:27.66  -1.2   80.2   3 b:6.9+0 1.0 4.6                   MAKZ
 MKAR eP      07:50:27.80  -1.0   80.2   3 b:3.7+1 .95 5.3                   MKAR
 MK31 eP      07:50:27.80  -1.0   80.2   3                                   MK31
 BR131eP      07:50:46.91   0.0   83.6 327                                   BR13
 ABKAReP      07:50:48.75  -0.1   84.0 349                                   ABKA
 KURK eP      07:50:48.81   0.1   84.0   1 b:1.3+1 1.1 5.1                   KURK
 SONA1eP      07:50:54.25  -0.5   85.2  19                                   SONA
 BRVK eP      07:51:01.25  -0.3   86.6 356 b:4.1+0 1.1 4.5                   BRVK
 MLR  eP      07:51:25.93   0.3   91.6 326 b:1.7+1 1.1 5.3                   MLR 
 CISI eS      07:51:32.56   1.1   38.1  54                                   CISI



 Generated 2013 FEB  7 at 07:55 UTC

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