Phase Data

Explanation of Parameters


     30 OCT 2011  (303)

     ot  = 02:02:14.23   +/-   2.92              NORTHERN SUMATRA, INDONESIA     
     lat =       4.892   +/-   10.7
     lon =      96.141   +/-   11.3              MAGNITUDE 4.7 (GS)       
     dep =        18.6   +/-    5.3   

     116 km (72 miles) WSW of Lhokseumawe, Sumatra, Indonesia (pop 154,000)
     117 km (72 miles) SE of Banda Aceh, Sumatra, Indonesia (pop 177,000)
     1090 km (677 miles) SSW of BANGKOK, Thailand
     1703 km (1058 miles) NW of JAKARTA, Java, Indonesia

     nph =   27 of  30    se = 1.44    FE=706                            A   

     error ellipse = (235.0,  1.0, 18.3;145.0,  1.0, 15.6;  5.0, 88.0,  8.1)

 mb = 4.7 ( 17)  ML = 4.2 (  8)  mblg = 4.2 (  5)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LHMI ePn     02:02:31.71   0.2    0.9  67 L:7.9+0 .70 3.9  g:5.3+0 .75 4.5  LHMI
 PSI  ePn     02:03:10.26   2.0    3.5 128 L:1.2+0 1.1 4.3  g:8.0-1 .80 4.3  PSI 
 KULM ePn     02:03:21.55  -0.1    4.5  85 L:6.2-1 .65 4.3  g:2.3-1 .95 3.9  KULM
 BKNI ePn     02:03:53.02   1.7    6.7 133 L:5.5-1 1.0 4.9  g:3.7-1 1.0 4.3  BKNI
 MNAI ePn     02:04:56.16  -0.6   11.4 143                                   MNAI
 CHTO ePn     02:05:36.01   2.8   14.1  11                                   CHTO
 KSM  ePn     02:05:42.09   2.8   14.6 103                                   KSM 
 KKM  eP      02:06:47.59   1.3   20.0  86 b:2.1+1 .90 4.5                   KKM 
 MYLDMeP      02:07:10.58   0.0   22.3  88 b:3.7+1 1.2 4.7                   MYLD
 LUWI eP      02:07:57.43  -0.2   27.3 102 b:5.2+1 1.1 5.1                   LUWI
 FITZ eP      02:09:21.39  -1.5   37.0 129                                   FITZ
 KS15 eP      02:10:15.80  -0.8   43.5  37                                   KS15
 ULN  eP      02:10:20.47   1.2   43.8  11 b:2.5+0 .50 4.3                   ULN 
 KKAR eP      02:10:23.04   0.0   44.3 333 b:2.6+1 .80 5.1                   KKAR
 WB2  eP      02:10:27.50  -1.0   44.9 125 b:8.3+0 .55 4.9                   WB2 
 AS31 eP      02:10:40.20  -0.5   46.5 129 b:7.7+0 .75 4.8                   AS31
 FORT eP      02:10:43.22   0.4   46.8 141 b:6.3+2 .65 6.8                   FORT
 ZAA0 eP      02:11:07.82   2.3   49.8 351                                   ZAA0
 DAMY eP      02:11:22.04   0.2   51.8 285 b:1.4+1 1.1 4.8                   DAMY
 RAYN eP      02:11:23.56  -0.4   52.1 296 b:4.1+0 .80 4.4                   RAYN
 BBOO eP      02:11:30.65  -1.5   53.3 138 b:4.1+1 1.4 5.2                   BBOO
 ABKAReP      02:11:32.61  -3.0X  53.8 331                                   ABKA
      esP     02:11:33.38 -10.6X
 CTAO eP      02:11:45.47  -0.4   55.1 119 b:9.3+0 1.0 4.8                   CTAO
 STKA eP      02:11:55.72  -0.7   56.6 133 b:1.6+0 .70 4.2                   STKA
 KMBO eP      02:12:15.98   1.4   59.1 266 b:5.5+0 .90 4.7                   KMBO
 BR131eP      02:12:56.82  -2.3   65.9 312                                   BR13
 BUR08eP      02:13:44.96  -1.6   73.6 318                                   BUR0
 MAW  eP      02:14:01.41   1.3   76.1 193 b:1.2+0 1.3 3.8                   MAW 
 GEC2 eP      02:14:30.61   0.6X  81.4 319 b:4.0+0 1.0 4.4                   GEC2



 Generated 2011 OCT 30 at 02:19 UTC

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