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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     18 SEP 2009  (261)

     ot  = 00:52:58.92   +/-   1.95              KEPULAUAN TALAUD, INDONESIA     
     lat =       4.771   +/-    7.6
     lon =     126.670   +/-   10.1              MAGNITUDE 4.6 (GS)       
     dep =        58.2   +/-    7.7   

     220 km (140 miles) SE of General Santos, Mindanao, Philippines
     280 km (175 miles) SSE of Davao, Mindanao, Philippines
     1260 km (780 miles) SSE of MANILA, Philippines
     2520 km (1560 miles) ENE of JAKARTA, Java, Indonesia

     nph =   29 of  29    se = 0.96    FE=263                            A   

     error ellipse = (113.0,  6.0, 16.4;  3.0, 72.0, 11.7;205.0, 16.0, 10.5)

 mb = 4.8 ( 14)  ML = 4.6 ( 10)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  ePn     00:53:40.00   2.4    2.5 335 L:5.9+0 .57 4.6                   DAV 
 TNTI ePn     00:53:59.62   1.5    4.0 170 L:1.1+0 .85 4.4                   TNTI
 SBUM ePn     00:56:29.18   6.7   14.6 261                                   SBUM
 KSM  ePn     00:56:53.56   4.9   16.7 259 b:2.1+1 .60 4.5                   KSM 
 TPUB eP      00:57:21.60   2.1   19.3 343 b:2.0+1 .90 4.4                   TPUB
 SSLB eP      00:57:26.82   3.3   19.7 344 b:2.7+1 1.3 4.4                   SSLB
 FITZ eP      00:57:57.18   0.8   22.8 183                                   FITZ
 WRAB eP      00:58:23.18  -0.5   25.7 163 b:5.1+1 .80 5.1                   WRAB
 AS01 eP      00:58:54.12  -0.6   29.1 166                                   AS01
 FORT eP      00:59:49.16   0.1   35.4 178 b:5.7+1 .80 5.6                   FORT
 EIDS eP      01:00:12.86  -0.4   38.2 143 b:1.8+1 .85 5.0                   EIDS
 STKA eP      01:00:20.81   0.0   39.1 160 b:6.3+0 .85 4.5                   STKA
 ARMA eP      01:00:47.99   0.2   42.4 147 b:1.9+1 .90 4.8                   ARMA
 SONA1eP      01:01:18.41  -0.6   46.3 341                                   SONA
 MKAR eP      01:02:35.47  -0.9   56.7 325                                   MKAR
 MK01 eP      01:02:35.51  -0.8   56.6 325                                   MK01
 ZAA0 eP      01:02:55.50  -1.4   59.6 333                                   ZAA0
 EKS2 eP      01:02:59.58  -0.6   60.0 317 b:4.1+0 .85 4.6                   EKS2
 KBL  eP      01:03:04.48  -1.4   60.8 307 b:5.8+0 .70 4.8                   KBL 
 KKAR eP      01:03:14.85  -1.3   62.4 317                                   KKAR
 VOSK eP      01:03:38.29  -0.8   66.0 327 b:9.0+0 .55 5.0                   VOSK
 BRVK eP      01:03:41.81  -0.6   66.5 327 b:9.4+0 .60 5.0                   BRVK
 ABKAReP      01:04:11.07  -1.4   71.3 321                                   ABKA
 CAST eP      01:05:13.67   2.0   81.8  27 b:8.4+1 2.6 5.3                   CAST
 MCK  eP      01:05:20.92   1.9   83.3  27 b:1.0+1 .96 4.8                   MCK 
 VNDA eP      01:05:25.12   0.3   84.5 173                                   VNDA
 BR231eP      01:05:48.64  -3.8   90.0 310                                   BR23
 BUR04eP      01:06:11.06  -0.7   94.2 318                                   BUR0
 LPAZ ePKPab  01:13:41.07   1.4  161.5 129                                   LPAZ



 Generated 2009 SEP 18 at 04:08 UTC

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


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