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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 MAY 2008  (129)

     ot  = 16:41:00.21   +/-   1.40              SIMEULUE, INDONESIA             
     lat =       2.888   +/-    9.5
     lon =      96.280   +/-    8.1              MAGNITUDE 4.4 (GS)       
     dep =        84.3   +/-   12.4   

     275 km (170 miles) WSW of Medan, Sumatra, Indonesia
     305 km (190 miles) SSE of Banda Aceh, Sumatra, Indonesia
     600 km (375 miles) W of KUALA LUMPUR, Malaysia
     1530 km (950 miles) NW of JAKARTA, Java, Indonesia

     nph =   24 of  30    se = 0.85    FE=706                            A   

     error ellipse = ( 44.2, 51.9, 22.0;200.0, 35.6, 13.4;298.7, 11.9,  8.3)

 mb = 4.4 ( 20)  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
 KULM ePn     16:42:13.46   1.1    5.0  61 d:1.9+2     5.6X L:1.8-1 .95 4.1X KULM
      eSn     16:43:26.78  S res =  18.2X  g:1.5-1 .95 3.6X
 KSM  ePn     16:44:15.49  -0.5   14.1  95 g:6.1-3 .90 3.0X b:6.1+0 .90 3.9X KSM 
 CM31 ePn     16:44:36.04  -0.5   15.7   9 g:2.0-2 1.0 3.6X b:9.5+0 .83 4.0  CM31
      e       16:44:44.96   6.1X
 CHTO eP      16:44:39.41  -1.5   16.0   9 g:1.0-2 1.0 3.3X b:6.6+0 .75 3.9  CHTO
 PALK qP      16:44:42.24   0.4   16.1 286 b:2.3+1 .97 4.3                   PALK
 KKM  eP      16:45:28.49   0.8   20.1  80 b:1.7+1 .86 4.4                   KKM 
 KAPI eP      16:46:12.91  -1.1   24.7 108 g:2.1-2 1.0 3.9X b:3.4+1 1.2 4.7  KAPI
 WRAB eP      16:48:56.23  -1.2   43.7 123 b:6.3+0 1.0 4.4                   WRAB
 UCH  eP      16:48:57.62  -0.2   43.7 337 b:4.5+0 .83 4.3                   UCH 
 TKM2 eP      16:48:58.98   0.1   43.9 338 b:5.5+0 .98 4.4                   TKM2
 AML  eP      16:49:00.04   0.3   44.0 336 b:8.5+0 1.0 4.5                   AML 
 AAK  eP      16:49:01.86   1.5   44.1 337 b:2.9+0 .90 4.1                   AAK 
 EKS2 eP      16:49:02.78   0.1   44.4 336 b:3.5+0 .83 4.2                   EKS2
      e       16:49:10.31
 MK31 eP      16:49:10.54   0.2   45.4 347                                   MK31
      e       16:49:17.03
 ULN  eP      16:49:13.80   0.4   45.8  10 b:4.4+0 .90 4.3                   ULN 
      e       16:49:21.11
 KURK eP      16:49:45.45   0.1   49.9 345 b:9.4+0 .99 4.8                   KURK
 ZAA0 eP      16:49:58.95  -0.1   51.8 351                                   ZAA0
      e       16:50:05.13
 BRVK eP      16:50:17.64  -1.0   54.4 341 b:2.7+0 .56 4.5                   BRVK
 STKA eP      16:50:25.28   0.9   55.2 133 b:1.3+0 1.1 3.8                   STKA
 ABKAReP      16:50:26.37  -0.8   55.6 332 b:4.8+0 .85 4.6                   ABKA
 ARU  eP      16:51:05.70  -0.8   61.3 337 b:6.1+0 1.0 4.6                   ARU 
 YAK  eP      16:51:25.74   0.8   64.1  17 b:2.0+1 .95 5.0                   YAK 
 TIXI eP      16:52:12.64   0.0   71.7  10 b:1.1+1 1.2 4.6                   TIXI
 BILL eP      16:53:00.62   1.0   79.9  21 b:1.9+1 1.7 4.7                   BILL



 Generated 2008 MAY  8 at 20:26 UTC

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


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