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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     21 JUL 2007  (202)

     ot  = 17:17:37.85   +/-   1.24              KEPULAUAN BARAT DAYA, INDONESIA 
     lat =      -7.138   +/-   11.3
     lon =     126.695   +/-   14.3              MAGNITUDE 4.3 (GS)       
     dep =       427.4   +/-   17.8   

     200 km (125 miles) NE of DILI, East Timor
     415 km (260 miles) SSW of Ambon, Moluccas, Indonesia
     480 km (295 miles) NE of Kupang, Timor, Indonesia
     745 km (460 miles) NW of DARWIN, Northern Territory, Australia

     nph =   15 of  18    se = 1.04    FE=280                            B   

     error ellipse = (203.1, 59.4, 30.5; 75.7, 19.7, 23.1;337.2, 22.4, 10.2)

 mb = 4.3 ( 14)  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
 KAKA ePn     17:19:31.26  -0.5    7.9 135 d:5.1+1     5.6X L:6.6-2 .70 4.2X KAKA
      eS      17:21:01.34  S res =  -3.9X  g:4.0-2 .70 3.5X b:4.0+1 .70 4.8 
 FITZ ePn     17:20:05.56   0.1   10.9 185 g:3.6-2 1.1 3.5X b:3.6+1 1.1 4.7  FITZ
      eS      17:21:59.23  S res =  -7.9X
 WRAB eP      17:20:46.81   0.1   14.7 150 g:1.8-2 1.1 3.5X b:5.9+0 .30 4.5  WRAB
 MBWA eP      17:20:54.17  -0.5   15.5 205 g:4.1-2 1.0 3.9X b:4.1+1 1.0 4.9  MBWA
 KSM  eP      17:21:27.93   1.7   18.5 297                                   KSM 
 CHTO eP      17:24:12.52  -1.9   37.6 314 b:2.1+0 .73 3.6                   CHTO
 LSA  eP      17:25:52.83   0.3   50.1 319 b:2.8+0 .74 3.7                   LSA 
 YSS  qP      17:26:32.55   0.4   55.7  13 b:7.6+0 .87 4.0                   YSS 
 ULN  eP      17:26:44.59   0.2   57.4 344 b:8.5+0 .90 4.2                   ULN 
 KBL  qP      17:27:54.26  -1.4   68.4 311 b:3.5+0 .65 4.2                   KBL 
 KURK eP      17:28:11.03   0.4   71.0 330 b:1.1+1 .85 4.5                   KURK
 VNDA eP      17:28:22.02   1.4   72.7 172 b:7.0-1 .74 3.4                   VNDA
 SBA  qP      17:28:28.52   2.6X  73.6 172                                   SBA 
 BRVK eP      17:28:42.54   0.0   76.5 329 b:1.3+1 1.1 4.5                   BRVK
 QSPA eP      17:29:15.46  -0.5   82.8 180 b:7.2+0 1.3 4.2                   QSPA
 ARU  eP      17:29:22.29   0.1   84.1 329 b:8.5+0 1.1 4.4                   ARU 



 Generated 2007 JUL 24 at 16:31 UTC

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

 


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