Phase Data

Explanation of Parameters 


     23 NOV 2010  (327)

     ot  = 10:05:29.34   +/-   2.36              KEP. MENTAWAI REGION, INDONESIA 
     lat =      -3.883   +/-    5.4
     lon =     100.074   +/-   10.5              MAGNITUDE 4.7 (GS)       
     dep =        38.7   +/-    9.1   

     245 km (150 miles) W of Bengkulu, Sumatra, Indonesia
     315 km (195 miles) WSW of Lubuklinggau, Sumatra, Indonesia
     325 km (200 miles) S of Padang, Sumatra, Indonesia
     790 km (490 miles) WNW of JAKARTA, Java, Indonesia

     nph =   23 of  30    se = 1.16    FE=274                            A   

     error ellipse = (113.0,  1.0, 17.4;229.0, 86.0, 13.8; 23.0,  3.0,  5.2)

 mb = 4.7 ( 12)  ML = 4.1 ( 10)  mblg = 3.5 (  6)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MNAI ePn     10:06:12.98  -0.3    2.9 100 L:2.5+0 .70 4.4                   MNAI
      ee      10:06:20.66   0.0X
 BKNI ee      10:06:36.51   0.0X   4.3  13 L:1.5+0 1.2 4.7  g:2.9-1 .85 4.0  BKNI
      ee      10:06:47.86   0.0X
      eScP    10:17:27.01   2.2 
 GSI  ePn     10:06:52.31   0.4    5.7 334 L:1.3-1 1.3 4.0                   GSI 
 MYKOMePn     10:07:07.36   0.9    6.8  34 L:7.0-2 .95 4.1  g:2.0-2 .75 3.0  MYKO
 IPM  ePn     10:07:25.84  -2.3    8.4   7 L:2.0-2 1.7 4.0                   IPM 
      ee      10:07:26.56   0.0X
 KULM ePn     10:07:35.51  -3.1    9.1   4                                   KULM
 SMRI ee      10:08:20.40   0.0X  10.8 107                                   SMRI
 SBUM ePn     10:08:42.09   1.3   13.7  63                                   SBUM
 KKM  eP      10:09:46.05  -0.8   18.9  59 b:2.2+1 .90 4.4                   KKM 
 KAPI eP      10:09:55.08   0.0   19.6  94 b:4.5+1 1.1 4.7                   KAPI
 MYLDMeP      10:10:05.26   1.1   20.5  64 b:4.9+1 1.0 4.8                   MYLD
 CM01 eP      10:10:20.24  -2.2   22.2 357                                   CM01
 CHTO eP      10:10:24.58  -2.0   22.6 357 b:1.4+1 1.0 4.4                   CHTO
 FITZ eP      10:11:18.65  -4.8   28.7 121                                   FITZ
      ee      10:11:24.37   0.0X
      epP     10:11:31.37  depth =  -1.7 
 WRAB eP      10:12:36.26   0.5   37.0 118 b:1.3+1 .75 4.9                   WRAB
 AS01 eP      10:12:45.69   0.4   38.1 124                                   AS01
      epP     10:12:46.00  depth =  -9.0X
 KS01 eP      10:14:08.54  -0.7   48.6  30                                   KS01
 TKM2 eP      10:14:31.92  -0.1   51.6 337 b:1.9+1 1.0 5.0                   TKM2
 AAK  eP      10:14:33.49   0.0   51.8 336 b:5.0+1 2.2 5.1                   AAK 
 SONA1eP      10:14:33.73   0.2   51.8   5                                   SONA
 ULN  eP      10:14:34.57   0.4   51.9   6 b:1.9+1 1.0 5.0                   ULN 
 EKS2 eP      10:14:36.04   0.3   52.1 336 b:1.5+1 .95 5.0                   EKS2
 MK01 eP      10:14:40.32  -0.7   52.8 345                                   MK01



 Generated 2010 NOV 23 at 10:19 UTC

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