Phase Data

Explanation of Parameters


      2 MAY 2011  (122)

     ot  = 23:25:37.84   +/-   2.15              SOUTHERN SUMATRA, INDONESIA     
     lat =      -5.557   +/-   11.4
     lon =     102.601   +/-   12.8              MAGNITUDE 4.7 (GS)       
     dep =        37.3   +/-    8.8   

     197 km (123 miles) S of Bengkulu, Sumatra, Indonesia
     251 km (156 miles) S of Lubuklinggau, Sumatra, Indonesia
     295 km (183 miles) W of T.-Telukbetung, Sumatra, Indonesia
     473 km (294 miles) W of JAKARTA, Java, Indonesia

     nph =   45 of  46    se = 1.06    FE=274                            A   

     error ellipse = (232.0, 14.0, 22.1;136.0, 20.0, 15.1;355.0, 63.0, 12.0)

 mb = 4.7 ( 18)  ML = 4.7 ( 10)  mblg = 3.9 (  6)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MNAI ePn     23:25:58.10  -0.6    1.2  17 L:3.5+1 .30 4.8  g:2.4+0 .75 4.3  MNAI
      eSn     23:26:14.02  S res =  -0.2 
 PMBI ePn     23:26:29.31   1.3    3.4  39 L:2.4+0 .60 4.5  g:9.6-1 1.2 4.3  PMBI
 MYKOMePn     23:27:25.81   2.3    7.4  10 L:6.0-2 1.0 4.2  g:3.0-2 .95 3.2  MYKO
 UGM  ePn     23:27:35.76   1.2    8.2 107 L:2.1-1 3.7 4.9                   UGM 
      eSn     23:29:02.75  S res =  -3.4 
 GSI  ePn     23:27:38.05   0.0    8.5 324 L:1.3-1 1.7 4.8  g:6.0-2 1.1 3.6  GSI 
 KULM ePn     23:28:15.78   3.7   10.9 350                                   KULM
 JAGI ePn     23:28:23.05  -1.0   11.8 105                                   JAGI
 SBUM ePn     23:28:36.21   3.3   12.5  51                                   SBUM
 MYLDMeP      23:29:59.41   1.5   19.1  56 b:5.1+1 1.1 4.7                   MYLD
 LUWI eP      23:30:16.80   2.5   20.6  78 b:5.5+1 1.0 4.9                   LUWI
 SOEI eP      23:30:34.40   6.6X  21.9 102 b:3.8+1 .90 4.8                   SOEI
      eS      23:34:26.00  S res =  -1.7 
 CM01 eP      23:30:48.64  -1.5   24.1 352                                   CM01
 CM31 eP      23:30:49.92  -0.6   24.1 352                                   CM31
 CHTO eP      23:30:52.26  -1.4   24.5 352 b:1.4+1 .80 4.6                   CHTO
 FITZ eP      23:31:04.93  -0.1   25.7 121 b:6.6+0 .90 4.2                   FITZ
 MTN  eP      23:31:33.82  -1.1   29.1 106 b:9.1+0 .70 4.6                   MTN 
 WB2  eP      23:32:18.30  -0.3   34.0 118                                   WB2 
 AS01 eP      23:32:27.99  -0.2   35.1 124                                   AS01
 AS31 eP      23:32:28.27   0.4   35.1 124 b:3.2+0 .55 4.5                   AS31
 COEN eP      23:33:16.06   0.0   40.8 105 b:5.5+1 1.9 5.0                   COEN
 STKA eP      23:33:49.87   1.0   44.9 131 b:1.8+0 .70 4.1                   STKA
 JNU  eP      23:34:03.44  -1.4   46.9  33 b:4.0+1 1.7 5.1                   JNU 
 SONA1eP      23:34:52.54  -0.5   53.3   3                                   SONA
 ULN  eP      23:34:53.72   0.2   53.3   4 b:8.5+0 .90 4.7                   ULN 
 TKM2 eP      23:34:59.70   0.3   54.1 336 b:9.4+0 .90 4.8                   TKM2
 AAK  eP      23:35:01.69   0.7   54.3 335 b:3.3+0 1.0 4.3                   AAK 
      eP      23:35:01.72   0.8 
 EKS2 eP      23:35:04.10   0.8   54.7 334                                   EKS2
 MK01 eP      23:35:05.87  -0.5   55.1 343                                   MK01
 MK31 eP      23:35:06.57   0.0   55.1 343                                   MK31
 MKAR eP      23:35:06.57   0.0   55.1 343                                   MKAR
 MAKZ eP      23:35:07.24  -0.1   55.3 343 b:4.1+0 1.0 4.4                   MAKZ
 KKAR eP      23:35:16.46   0.2   56.5 332                                   KKAR
 TLY  eP      23:35:20.70   0.9   57.0   1 b:7.6+0 .70 4.8                   TLY 
 KURK eP      23:35:38.75   0.0   59.7 343 b:7.4+0 .80 4.9                   KURK
 ZAA0 eP      23:35:47.77  -0.5   61.1 348                                   ZAA0
 ABKAReP      23:36:20.31  -0.1   66.0 331                                   ABKA
 ARU  eP      23:36:53.80  -0.7   71.5 336 b:9.2+0 1.0 4.7                   ARU 
 BR131eP      23:37:31.22   0.5   77.6 313                                   BR13
 BR231eP      23:37:31.99  -2.4   78.3 312                                   BR23
 TIXI eP      23:37:35.56  -1.6   79.0   8                                   TIXI
 MLR  eP      23:38:09.28   1.3   84.7 317                                   MLR 
 BUR08eP      23:38:15.10   2.2   85.6 319                                   BUR0



 Generated 2011 MAY  2 at 23:44 UTC

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