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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     11 JUL 2007  (192)

     ot  = 15:17:50.42   +/-   0.67              NIAS REGION, INDONESIA          
     lat =       1.273   +/-    8.7
     lon =      97.093   +/-   13.5                                       
     dep =        30.0  (geophysicist)

     195 km (120 miles) WSW of Sibolga, Sumatra, Indonesia
     310 km (190 miles) SW of Medan, Sumatra, Indonesia
     550 km (345 miles) WSW of KUALA LUMPUR, Malaysia
     1350 km (840 miles) NW of JAKARTA, Java, Indonesia

     nph =   12 of  13    se = 0.60    FE=706                            B   

     error ellipse = ( 64.7,  0.0, 19.3;154.7,  0.0,  8.9;  0.0,  0.0,  0.0)

 mb = 4.1 (  2)  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 eP      15:19:08.36   0.2    5.3  42 d:1.4+2     5.5X                  KULM
 CMAR P       15:21:47.33  -1.0   17.2   6                                   CMAR
 WRA  P       15:25:40.66   0.0   42.2 122                                   WRA 
 WRAB eP      15:25:40.80   0.1   42.2 122 b:2.0+0 .60 4.0                   WRAB
 ASAR P       15:25:51.90   0.2   43.5 127                                   ASAR
 SONM P       15:26:20.16   0.6   47.1   9                                   SONM
      LR      15:48:51.98                                  
 MKAR P       15:26:20.70   0.7   47.1 346                                   MKAR
 KURK eP      15:26:55.01   0.4   51.7 345 b:2.5+0 .85 4.2                   KURK
 ZAA0 eP      15:27:07.79   0.1   53.5 351                                   ZAA0
 STKA P       15:27:07.90  -0.4   53.5 132                                   STKA
 ZALV P       15:27:07.95   0.2   53.5 351                                   ZALV
 ARCESP       15:30:08.50  -1.0   82.4 340                                   ARCE



 Generated 2007 JUL 26 at 15:51 UTC

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

 


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