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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 APR 2009  ( 92)

     ot  = 08:59:56.20   +/-   1.17              MINDANAO, PHILIPPINES           
     lat =       5.951   +/-    5.9
     lon =     126.819   +/-   11.3              MAGNITUDE 4.9 (GS)       
     dep =        78.9   +/-   10.4   

     180 km (110 miles) SE of Davao, Mindanao, Philippines
     180 km (115 miles) E of General Santos, Mindanao, Philippines
     1155 km (720 miles) SE of MANILA, Philippines
     2595 km (1610 miles) ENE of JAKARTA, Java, Indonesia

     nph =   27 of  33    se = 0.81    FE=259                            A   

     error ellipse = (256.1, 37.7, 20.6; 54.9, 50.3, 12.8;157.8, 10.5,  7.4)

 mb = 4.8 ( 21)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.1 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  ePn     09:00:22.39  -1.2    1.7 312 d:1.5+2     4.1  L:2.9+1 1.2 4.9X DAV 
      eSn     09:00:44.09  S res =  -0.2X
 KSM  eP      09:03:51.60   1.7   17.1 256 b:2.5+1 .77 4.5                   KSM 
 YHNB eP      09:04:09.07  -6.3X  19.3 345 b:1.0+2 .70 5.2                   YHNB
 NACB ePn     09:04:10.75  -0.1   18.8 345 b:1.6+2 .30 5.7                   NACB
 SSLB ePn     09:04:17.40   8.8X  18.6 343 b:1.7+2 .30 5.8                   SSLB
 TATO ePn     09:04:21.78   1.6   19.6 345 b:4.2+2 1.7 5.5                   TATO
 FITZ eP      09:05:02.84  -0.2   23.9 183 b:5.9+0 .61 4.2                   FITZ
 WRAB eP      09:05:28.62  -0.2   26.8 164 g:1.5-2 .90 3.9X b:8.8+0 .39 4.7  WRAB
 AS31 eP      09:06:00.07   0.4   30.2 167                                   AS31
 CTAO eP      09:06:17.48   0.8   32.2 144 b:9.7+1 2.8 5.1                   CTAO
 FORT eP      09:06:53.52  -0.8   36.5 178 b:3.1+1 1.0 5.2                   FORT
 ULN  eP      09:08:05.17   0.8   45.1 341 b:8.0+0 1.1 4.5                   ULN 
 MK31 eP      09:09:24.95  -0.3   55.8 324                                   MK31
 TKM2 eP      09:09:42.00  -0.3   58.2 318 b:3.7+0 .55 4.7                   TKM2
      ePcP    09:10:32.02  -1.0X
 ZAA0 eP      09:09:43.68  -1.6   58.7 332                                   ZAA0
      ePcP    09:10:34.53   0.1X
 EKS2 eP      09:09:50.72   0.7   59.3 317 b:7.7+0 .80 4.9                   EKS2
 KURK eP      09:09:53.63  -0.4   59.9 327 b:3.7+1 1.5 5.3                   KURK
 KKAR eP      09:10:05.94  -0.2   61.7 316 b:2.4+0 .55 4.5                   KKAR
 BRVK eP      09:10:31.23  -0.4   65.6 326 b:1.2+1 .90 4.8                   BRVK
 ABKAReP      09:11:02.02  -0.5   70.5 320 b:6.7+0 .65 4.7                   ABKA
      e       09:11:23.37   0.1X
 COLD eP      09:12:06.93   0.6   81.8  23 b:2.4+0 .63 4.3                   COLD
 PAX  eP      09:12:16.86   0.6   83.7  27                                   PAX 
 MALT eP      09:12:24.47   0.6   85.1 308 b:5.2+0 .90 4.5                   MALT
 OBN  eP      09:12:24.58   0.2   85.3 325 b:1.8+1 .65 5.2                   OBN 
 VNDA eP      09:12:25.05  -0.4   85.6 173 b:1.4+0 .81 4.0                   VNDA
 BR131eP      09:12:40.90  -0.4   88.7 310 b:2.7+0 .90 4.4                   BR13
 FIA1 eP      09:12:46.79   0.4   89.9 332                                   FIA1
 BUR08eP      09:13:02.47  -0.6   93.4 318                                   BUR0
 LCO  ePKPbc  09:19:42.07  -0.7  151.7 146                                   LCO 



 Generated 2009 APR  3 at 05:03 UTC

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


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