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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     15 JUL 2007  (196)

     ot  = 10:07:11.13   +/-   0.65              TANZANIA                        
     lat =      -2.900   +/-   10.6
     lon =      36.166   +/-   13.8              MAGNITUDE 4.4 (GS)       
     dep =        10.0  (geophysicist)

     75 km (50 miles) NW of Arusha, Tanzania (pop 102,000)
     195 km (120 miles) SSW of NAIROBI, Kenya
     290 km (180 miles) S of Nakuru, Kenya
     560 km (345 miles) NW of DAR ES SALAAM, Tanzania

     nph =   10 of  14    se = 1.32    FE=573                            B   

     error ellipse = (119.3,  0.0, 19.9; 29.3,  0.0, 11.6;  0.0,  0.0,  0.0)

 mb = 4.4 (  7)  ML = 4.8 (  1)  mblg = 4.1 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KMBO ePn     10:07:45.78  -0.4    2.1  32 d:3.8+2     5.1X L:1.5+1 .60 4.8  KMBO
      eSn     10:08:07.77  S res =  -4.4X  g:5.8+0 .75 4.9 
      eSg     10:08:12.20  S res =  -5.5X
 LSZ  ePn     10:10:37.13  -0.9   14.6 212                                   LSZ 
      eSn     10:13:14.21  S res =  -5.9X
 ABPO qP      10:11:38.01   1.3   19.3 147 b:8.4+0 .83 4.0                   ABPO
 TSUM qPn     10:12:24.19  -5.4X  24.3 227 b:1.2+0 .60 3.7                   TSUM
 LBTB eP      10:12:27.73  -0.7   24.2 204 g:5.2-3 .98 3.3  b:1.2+1 1.2 4.3  LBTB
 TOA0 eP      10:14:29.10   1.2   37.7 296                                   TOA0
 DBIC qP      10:15:03.68   0.3   42.0 283 b:2.7+1 1.4 4.8                   DBIC
 KBL  qP      10:15:53.16  -0.6   48.4  37 b:3.3+0 .42 4.7                   KBL 
 UCH  eP      10:16:58.13   2.1   56.8  33 b:2.1+0 .56 4.4                   UCH 
 MK31 eP      10:17:43.82  -0.8   64.0  33                                   MK31
 KURK qP      10:17:46.88  -1.5   64.6  28 b:3.4+0 .93 4.5                   KURK



 Generated 2007 JUL 18 at 06:01 UTC

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

 


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