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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     17 JUL 2007  (198)

     ot  = 18:27:51.22   +/-   0.26              TANZANIA                        
     lat =      -2.752   +/-    5.0
     lon =      36.159   +/-    7.0              MAGNITUDE 5.1 (GS)       
     dep =        10.0  (geophysicist)

     90 km (55 miles) NW of Arusha, Tanzania (pop 102,000)
     180 km (110 miles) SSW of NAIROBI, Kenya
     275 km (170 miles) S of Nakuru, Kenya
     570 km (355 miles) NW of DAR ES SALAAM, Tanzania
 
     Felt (V) at Arusha and Moshi. Felt (IV) at Nairobi, Kenya. Felt at
     Dodoma and Mwanza, Tanzania; at Embu, Kiambu, Kijabe, Kikuyu,
     Mombasa and Narok, Kenya.

     nph =   48 of  56    se = 0.98    FE=573                            A   

     error ellipse = (107.8,  0.0,  9.4;197.8,  0.0,  6.2;  0.0,  0.0,  0.0)

 mb = 5.1 ( 29)  ML = 5.6 (  1)  mblg = 4.1 (  3)  md = 5.3 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KMBO ePnd    18:28:23.74  -0.9    1.9  34 d:5.1+2     5.3  L:1.1+2 .85 5.6  KMBO
      eS      18:28:47.67  S res =  -1.6X  g:7.8+1 .85 6.0X
 LSZ  ePn     18:31:17.39  -2.3   14.7 212 b:2.4+1 .65 4.9X                  LSZ 
      eSn     18:33:49.09  S res = -14.0X
      eLg     18:35:26.93
 MSEY eP      18:32:18.31   0.9   19.4  96 b:1.5+2 1.1 5.2                   MSEY
 ABPO eP      18:32:21.35   3.1X  19.5 147 g:3.7-2 1.0 4.0  b:8.3+1 1.3 4.8  ABPO
 LBTB eP      18:33:09.57  -0.1   24.4 204 b:6.2+1 1.2 5.1                   LBTB
 TSUM eP      18:33:10.02  -0.5   24.4 227 g:4.8-2 1.1 4.2  b:1.1+3 1.0 6.4X TSUM
 BOSA eP      18:33:40.26   0.0   27.7 201 g:2.1-2 .80 4.1  b:2.1+1 .80 5.0  BOSA
 SUR  eP      18:34:25.42   0.2   32.8 204 b:2.7+1 1.0 5.1                   SUR 
 TOA0 eP      18:35:06.23  -1.2   37.7 296                                   TOA0
 DBIC eP      18:35:42.95  -0.2   42.0 283                                   DBIC
 GNI  qP      18:35:53.36  -1.0   43.4  10 b:8.8+0 .83 4.6                   GNI 
 TIP  qP      18:36:11.77   1.7   45.4 339 b:1.3+1 1.0 4.8                   TIP 
 TIR  qP      18:36:17.62   0.2   46.3 343 b:5.1+1 .98 5.5                   TIR 
 CUC  eP      18:36:18.85   0.4   46.5 338 b:3.0+1 .87 5.3                   CUC 
 KIV  eP      18:36:23.90   2.2X  46.9   6 b:1.3+1 1.0 4.9                   KIV 
 KBL  eP      18:36:32.93  -0.1   48.3  37 b:1.2+1 .98 4.9                   KBL 
 AQU  qP      18:36:43.70   2.4X  49.4 338                                   AQU 
 PSZ  eP      18:37:04.12   0.1   52.4 346 b:1.8+1 .95 5.0                   PSZ 
 AKBB qP      18:37:11.76  -0.5   53.6 355                                   AKBB
 MORC eP      18:37:19.74  -1.1   54.7 345 b:9.2+0 1.0 4.8                   MORC
 TUE  eP      18:37:20.71   1.8   54.4 337 b:3.7+1 1.3 5.2                   TUE 
 BNI  eP      18:37:21.66   3.3X  54.4 335 b:2.5+1 1.1 5.2                   BNI 
 GEC2 eP      18:37:21.80  -0.9   55.0 342                                   GEC2
 ESLA eP      18:37:30.41   0.2   56.0 323 b:1.2+0 .80 4.0X                  ESLA
 AML  eP      18:37:31.27  -0.2   56.1  33 b:1.5+1 .80 5.1                   AML 
 EKS2 eP      18:37:33.57  -0.5   56.5  33 b:4.3+0 .73 4.6                   EKS2
 BFO  eP      18:37:33.96   1.4   56.4 338                                   BFO 
 ECH  eP      18:37:35.76   0.7   56.7 337                                   ECH 
 SUW  eP      18:37:40.99  -0.1   57.6 351 b:1.3+2 1.1 5.9                   SUW 
 ARU  eP      18:38:09.30  -0.4   61.7  14 b:2.8+1 1.0 5.4                   ARU 
 LSA  eP      18:38:09.57  -0.5   61.6  54                                   LSA 
 BRVK eP      18:38:14.22  -0.9   62.5  22 b:1.1+1 1.0 5.0                   BRVK
 MK31 eP      18:38:23.34  -0.6   63.8  33                                   MK31
 KURK eP      18:38:27.14  -0.5   64.4  28 b:1.7+1 1.1 5.1                   KURK
 CHTO eP      18:38:33.93  -0.3   65.3  68 b:1.2+1 .95 5.1                   CHTO
 MAW  eP      18:38:47.18   1.4   67.3 169 b:1.5+1 .98 5.1                   MAW 
 SNAA eP      18:39:19.40  -2.0   73.1 192 b:1.4+1 1.5 4.8                   SNAA
 CASY eP      18:40:08.34   1.2   81.2 157 b:3.5+1 1.2 5.3                   CASY
 MBWA qP      18:40:17.33  -0.2   83.0 111 b:2.3+1 1.2 5.2                   MBWA
 QSPA eP      18:40:39.46   1.3   87.3 180 b:1.9+1 1.2 5.2                   QSPA
 TRQA eP      18:41:14.76   1.5   94.7 232 b:1.3+1 1.2 5.2                   TRQA
 WRAB eP      18:41:22.64  -0.3   96.8 110 b:4.7+1 1.6 5.8                   WRAB
 IMA2 ePKPdf  18:46:34.76  -0.3  116.4   4                                   IMA2
 EGAK ePKPdf  18:46:37.83  -0.3  118.1 359                                   EGAK
 EGMT ePKPdf  18:46:54.89   0.5  126.2 332                                   EGMT
 WMOK ePKPdf  18:46:56.56  -0.5  127.5 313                                   WMOK
 DLMT ePKPdf  18:46:59.88  -0.9  129.5 332                                   DLMT
 BOZ  ePKPdf  18:47:00.84   1.3  128.8 331                                   BOZ 
 MCMT ePKPdf  18:47:02.82   0.9  130.0 331                                   MCMT
 SMCO ePKPdf  18:47:04.84   1.4  130.6 322                                   SMCO
 PV10 ePKPdf  18:47:05.92  -0.8  132.4 323                                   PV10
 HUMO ePKPpre 18:47:07.58  -5.6X 136.2 338                                   HUMO
 GSC  ePKPdf  18:47:20.29   1.4  139.0 325                                   GSC 



 Generated 2007 JUL 18 at 18:08 UTC

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

 


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