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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      1 MAY 2008  (122)

     ot  = 13:51:52.40   +/-   1.00              MINDANAO, PHILIPPINES           
     lat =       5.893   +/-    6.7
     lon =     125.969   +/-   16.0              MAGNITUDE 4.6 (GS)       
     dep =       126.5   +/-    9.8   

     90 km (55 miles) ESE of General Santos, Mindanao, Philippines (pop 411,000)
     135 km (85 miles) SSE of Davao, Mindanao, Philippines (pop 1,147,000)
     1110 km (690 miles) SSE of MANILA, Philippines
     2520 km (1560 miles) ENE of JAKARTA, Java, Indonesia

     nph =   19 of  22    se = 1.06    FE=259                            B   

     error ellipse = (262.2, 17.1, 25.8; 84.5, 72.9, 13.8;352.4,  0.6,  9.9)

 mb = 4.6 ( 14)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 3.8 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  ePn     13:52:17.61   0.2    1.2 342 d:1.3+2     3.8  L:2.1+0 .45 3.5X DAV 
      eSn     13:52:35.77  S res =  -0.6X
 KAPI ePn     13:54:46.21   0.4   12.5 210                                   KAPI
 TPUB eP      13:55:53.16  -0.9   18.1 344 g:1.9-2 1.1 3.6X b:9.6+0 .55 4.3  TPUB
 KAKA eP      13:56:08.26  -2.1   19.5 161 g:5.1-2 .65 4.3X b:5.7+1 .53 5.2  KAKA
 FITZ eP      13:56:52.96  -1.1   23.8 181 g:5.3-3 .98 3.3X b:3.1+0 .48 4.0  FITZ
 WB2  eP      13:57:23.67   1.3   27.0 162                                   WB2 
 WRAB eP      13:57:23.83   1.6   27.0 162 b:9.3+0 .80 4.4                   WRAB
 MK31 eP      14:01:13.50   0.2   55.4 325                                   MK31
 YAK  eP      14:01:18.92   0.8   56.1   2 b:2.4+1 .70 5.3                   YAK 
 UCH  eP      14:01:33.80   0.7   58.1 317 b:5.8+0 1.0 4.5                   UCH 
 KURK eP      14:01:42.11  -0.2   59.5 327 b:8.2+0 .50 5.0                   KURK
 BRVK eP      14:02:19.86  -0.1   65.2 327 b:3.7+0 .60 4.5                   BRVK
 TIXI eP      14:02:22.92  -0.1   65.7   1 b:9.8+0 1.0 4.7                   TIXI
 ABKAReP      14:02:49.57  -0.8   70.0 320 b:2.2+0 .63 4.1                   ABKA
 RC01 eP      14:03:57.01  -1.7   82.1  29 b:1.3+1 .99 4.7                   RC01
 MCK  eP      14:04:01.50   0.4   82.6  27 b:1.2+1 .76 4.8                   MCK 
 EGAK eP      14:04:18.37   0.3   85.9  25 b:3.1+0 .69 4.3                   EGAK
 DAWY eP      14:04:23.30   1.0   86.8  26                                   DAWY
 INK  eP      14:04:30.02   0.0   88.4  21 b:5.4+0 1.0 4.5                   INK 
 M13A ePdif   14:06:00.51   2.1X 107.8  43                                   M13A
      ePKiKP  14:10:05.13  -0.3X



 Generated 2008 MAY  1 at 15:16 UTC

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


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