Phase Data

Explanation of Parameters


     23 OCT 2011  (296)

     ot  = 05:17:43.38   +/-   1.82              SOUTHWEST OF SUMATRA, INDONESIA 
     lat =      -8.220   +/-   10.6
     lon =     104.768   +/-   10.3              MAGNITUDE 4.7 (GS)       
     dep =        27.9   +/-    6.3   

     270 km (168 miles) NNW of Christmas Island
     278 km (173 miles) WSW of Sukabumi, Java, Indonesia
     282 km (175 miles) SSW of Cilegon, Java, Indonesia
     321 km (199 miles) SW of JAKARTA, Java, Indonesia

     nph =   32 of  38    se = 0.90    FE=273                            A   

     error ellipse = (224.0,  4.0, 22.1;111.0, 78.0,  9.6;314.0, 10.0,  5.3)

 mb = 4.7 (  1)  ML = 4.6 ( 12)  mblg = 4.1 (  7)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 XMIS ePn     05:18:20.22  -0.8    2.4 159 L:2.6+0 1.3 4.2  g:7.6-1 1.1 4.1  XMIS
      eSn     05:18:47.98  S res =  -1.6 
 CISI ePn     05:18:28.94  -1.5    3.1  78 L:3.7+0 1.2 4.6  g:6.2-1 1.0 4.1  CISI
      eSn     05:19:01.86  S res =  -4.6X
 MNAI ePn     05:18:45.48  -0.7    4.2 335 L:1.4+0 .55 4.6  g:4.6-1 1.1 4.1  MNAI
      eSn     05:19:32.33  S res =  -2.4 
 PMBI ePn     05:18:59.89  -0.6    5.3 359 L:9.8-1 1.6 4.8  g:4.3-1 1.2 4.2  PMBI
 UGM  ePn     05:19:06.16  -0.2    5.7  87 L:3.9-1 1.1 4.5  g:1.4-1 .95 3.8  UGM 
 COCO ePn     05:19:51.96   3.9X   8.8 243 L:4.3-1 4.1 5.4  g:1.0-1 1.0 3.9  COCO
 BKNI ePn     05:19:53.35  -1.9    9.3 336                                   BKNI
 MYKOMePn     05:20:04.31  -0.8   10.0 355                                   MYKO
 KSM  ePn     05:20:19.85  -0.6   11.1  30                                   KSM 
 IPM  ePn     05:20:46.27  -2.3   13.2 343                                   IPM 
 KULM ePn     05:21:00.56   0.0   14.0 343                                   KULM
 KAPI ePn     05:21:16.82   0.3   15.2  79 b:5.4+2 1.3 5.7                   KAPI
 MMRI ePn     05:21:43.50   0.6   17.3  93 b:8.0+1 1.0 4.8                   MMRI
 KKM  ePn     05:21:54.34   0.1   18.2  39 b:2.5+1 .70 4.5                   KKM 
 MYLDMeP      05:22:04.06  -0.1   19.1  46 b:1.5+2 1.5 5.0                   MYLD
 LUWI eP      05:22:05.82  -0.5   19.3  69 b:6.1+1 1.0 4.8                   LUWI
 SOEI eP      05:22:07.84   1.1   19.3  96 b:1.5+2 1.0 5.2                   SOEI
      eSn     05:25:43.10  S res =  -0.9 
 FITZ eP      05:22:41.98   0.6   22.5 118 b:2.6+1 1.1 4.6                   FITZ
 CM31 eP      05:23:24.57   0.3   27.1 348                                   CM31
 CHTO eP      05:23:27.67   0.3   27.5 348 b:2.3+1 1.2 4.7                   CHTO
 PALK eP      05:23:35.57  -1.2   28.5 302 b:2.2+1 1.5 4.6                   PALK
 WRAB eP      05:23:58.00   0.0   30.9 115 b:1.3+1 1.0 4.7                   WRAB
 WB2  eP      05:23:58.36   0.4   30.9 115 b:4.0+1 1.7 4.9                   WB2 
 AS31 eP      05:24:06.77   0.5   31.8 122                                   AS31
      epP     05:24:14.00  depth =   1.4X
 STKA eP      05:25:31.05   2.6X  41.5 130 b:1.6+0 .90 3.7                   STKA
 ULN  eP      05:27:17.64  -1.0   55.9   2 b:9.8+0 1.1 4.8                   ULN 
 MK31 eP      05:27:34.90  -0.9X  58.3 342                                   MK31
 MKAR eP      05:27:34.93  -0.9X  58.3 342 b:3.2+1 .85 5.4                   MKAR
 KURK eP      05:28:07.91   0.9   62.9 342 b:1.6+1 1.2 5.0                   KURK
 ZAA0 eP      05:28:16.45   1.1   64.2 347                                   ZAA0
 BRVK eP      05:28:38.14   0.0   67.7 338 b:7.4+0 1.0 4.7                   BRVK
 ABKAReP      05:28:49.97   1.6   69.4 330 b:6.5+1 .60 5.9                   ABKA
 ARU  eP      05:29:21.71   0.9   74.8 335 b:1.7+1 1.2 4.9                   ARU 



 Generated 2011 OCT 23 at 05:36 UTC

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