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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     19 JUL 2007  (200)

     ot  = 02:14:11.30   +/-   0.49              TANZANIA                        
     lat =      -2.718   +/-    7.2
     lon =      36.128   +/-   11.4              MAGNITUDE 4.5 (GS)       
     dep =        10.0  (geophysicist)

     95 km (60 miles) NW of Arusha, Tanzania (pop 102,000)
     175 km (110 miles) SSW of NAIROBI, Kenya
     270 km (170 miles) S of Nakuru, Kenya
     575 km (360 miles) NW of DAR ES SALAAM, Tanzania

     nph =   15 of  22    se = 0.94    FE=573                            B   

     error ellipse = (102.1,  0.0, 15.2;192.1,  0.0,  9.1;  0.0,  0.0,  0.0)

 mb = 4.4 ( 14)  ML = 4.5 (  1)  mblg = 4.4 (  4)  md = 5.3 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KMBO ePn     02:14:44.12  -0.4    1.9  35 d:5.1+2     5.3  L:8.8+0 .60 4.5  KMBO
      eSn     02:15:09.12  S res =   0.0X  g:4.5+0 .75 4.8 
 FURI P       02:17:07.00   6.7X  11.8  12                                   FURI
 LSZ  ePn     02:17:35.96  -4.0X  14.7 212 g:8.6-1 1.1 5.1                   LSZ 
      eSn     02:20:12.49  S res = -11.0X
      eLg     02:21:41.74
 ABPO qP      02:18:39.94   1.1   19.5 147 b:2.2+1 1.1 4.3                   ABPO
 LBTB eP      02:19:29.03  -0.9   24.4 204 g:1.1-2 .78 3.7  b:1.0+1 .73 4.6  LBTB
 TSUM eP      02:19:30.92   0.3   24.4 227 b:1.2+1 1.0 4.4                   TSUM
 BOSA eP      02:19:59.74  -0.8   27.8 201 g:2.0-2 .90 4.0  b:2.0+1 .90 4.9  BOSA
 CSS  eP      02:21:24.68  -1.3   37.6 356 b:4.1+0 .55 4.4                   CSS 
 TOA0 eP      02:21:26.88  -0.3   37.6 296                                   TOA0
 PSZ  eP      02:23:23.06  -0.7   52.4 346 b:4.5+0 .84 4.4                   PSZ 
 OBKA iPc     02:23:28.47   3.1X  52.6 341 b:6.1+0 1.1 4.4                   OBKA
 BNI  eP      02:23:39.25   1.2   54.3 335 b:3.7+0 1.1 4.3                   BNI 
 MORC eP      02:23:41.19   0.5   54.7 345 b:2.5+0 .91 4.2                   MORC
 MOA  iPd     02:23:41.65   7.0X  53.9 342 b:7.7+0 1.4 4.5                   MOA 
 GEC2 eP      02:23:42.20  -0.2   54.9 342                                   GEC2
 AML  eP      02:23:50.77  -0.7   56.1  33 b:1.2+0 .68 4.1                   AML 
 GRA1 eP      02:23:54.90   1.6   56.5 341 b:3.0+0 1.0 4.3                   GRA1
 UCH  eP      02:23:55.50   0.2   56.6  34 b:2.1+0 .59 4.4                   UCH 
 WLF  eP      02:24:06.35   0.5   58.2 338 b:4.8+0 .84 4.6                   WLF 



 Generated 2007 JUL 29 at 04:11 UTC

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

 


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