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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     19 APR 2009  (109)

     ot  = 06:01:13.16   +/-   0.30              KEPULAUAN TALAUD, INDONESIA     
     lat =       4.105   +/-    4.8
     lon =     126.927   +/-    8.3              MAGNITUDE 4.5 (GS)       
     dep =        35.0  (geophysicist)

     295 km (185 miles) SE of General Santos, Mindanao, Philippines
     360 km (225 miles) SSE of Davao, Mindanao, Philippines
     1335 km (830 miles) SSE of MANILA, Philippines
     2505 km (1560 miles) ENE of JAKARTA, Java, Indonesia

     nph =   25 of  25    se = 0.64    FE=263                            A   

     error ellipse = ( 70.4,  0.0, 11.4;160.4,  0.0,  5.3;  0.0,  0.0,  0.0)

 mb = 4.5 ( 20)  ML = 0.0 (  0)  mblg = 3.7 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  qPn     06:02:01.37  -0.1    3.2 336                                   DAV 
 KSM  qPn     06:05:06.24   0.3   16.8 262 g:1.0-2 1.2 3.3  b:3.5+1 1.1 4.4  KSM 
 SSLB eP      06:05:46.58  -0.7   20.4 344 b:6.8+0 .53 4.2                   SSLB
 FITZ eP      06:06:03.82  -1.7   22.1 183 b:4.9+1 1.5 4.7                   FITZ
 WRAB eP      06:06:33.66   0.0   25.0 163 g:3.7-2 .95 4.2  b:1.7+1 .50 4.9  WRAB
 MBWA eP      06:06:43.49  -0.2   26.1 195 b:1.7+1 .95 4.6                   MBWA
 AS31 eP      06:07:04.79   0.0   28.4 166                                   AS31
 CM31 eP      06:07:26.75   0.4   30.9 300 b:1.1+0 .38 4.0                   CM31
 CHTO eP      06:07:27.93   0.3   31.0 300 b:6.3+0 1.0 4.4                   CHTO
 EIDS eP      06:08:23.73  -0.3   37.5 143 b:9.4+0 .80 4.7                   EIDS
 NWAO eP      06:08:27.31  -0.3   38.0 193 b:5.9+0 .71 4.6                   NWAO
 STKA eP      06:08:32.26   0.9   38.4 160 b:3.5+0 .80 4.2                   STKA
 ULN  eP      06:09:39.77   0.0   46.8 342 b:4.8+0 1.0 4.4                   ULN 
 MK31 eP      06:10:57.94   0.0   57.4 325                                   MK31
 TKM2 eP      06:11:13.90   0.0   59.6 318 b:1.7+0 .65 4.3                   TKM2
 KURK eP      06:11:26.43  -0.2   61.5 327 b:5.6+0 .50 4.9                   KURK
 KKAR eP      06:11:36.97  -0.3   63.1 317 b:1.3+0 .70 4.2                   KKAR
 BRVK eP      06:12:03.61   0.0   67.2 327 b:7.6+0 .85 4.8                   BRVK
 ABKAReP      06:12:32.76  -0.6   72.0 321 b:2.7+0 .78 4.3                   ABKA
 COLD eP      06:13:37.62   0.7   83.5  23 b:9.0+0 1.3 4.7                   COLD
 MCK  eP      06:13:38.11  -0.3   83.7  26 b:9.3+0 1.0 4.8                   MCK 
 VNDA eP      06:13:38.30   0.1   83.8 173 b:3.4+0 .88 4.5                   VNDA
 KMBO eP      06:14:09.34   0.2   89.8 269 b:1.9+0 .90 4.4                   KMBO
 QSPA eP      06:14:29.25   1.8   94.0 180                                   QSPA
 BUR08eP      06:14:32.04   0.2   94.9 318                                   BUR0



 Generated 2009 APR 22 at 09:14 UTC

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


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