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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     19 APR 2009  (109)

     ot  = 06:14:50.06   +/-   0.33              KEPULAUAN TALAUD, INDONESIA     
     lat =       4.172   +/-    5.4
     lon =     126.881   +/-    7.8              MAGNITUDE 4.9 (GS)       
     dep =        35.0  (geophysicist)

     285 km (175 miles) SE of General Santos, Mindanao, Philippines
     350 km (215 miles) SSE of Davao, Mindanao, Philippines
     1320 km (820 miles) SSE of MANILA, Philippines
     2505 km (1560 miles) ENE of JAKARTA, Java, Indonesia

     nph =   49 of  54    se = 1.23    FE=263                            A   

     error ellipse = ( 75.6,  0.0, 10.4;165.6,  0.0,  6.8;  0.0,  0.0,  0.0)

 mb = 4.9 ( 39)  ML = 4.4 (  1)  mblg = 3.5 (  5)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  ePn     06:15:37.35   0.0    3.2 336 L:1.6+0 1.1 4.4  g:3.7-1 .80 3.9  DAV 
 KKM  ePn     06:17:26.80   4.6   10.8 280 g:3.4-2 1.0 3.5  b:9.1+1 1.4 5.8X KKM 
 KAPI ePn     06:17:33.85   0.9   11.6 218 g:2.2-2 .90 3.5  b:2.2+1 .90 5.3X KAPI
 KSM  ePn     06:18:43.15   0.8   16.8 261 g:1.0-2 1.1 3.3  b:5.1+1 .90 4.6  KSM 
 YULB ePn     06:19:18.31  -1.7   19.9 345 g:1.0-2 1.2 3.4  b:3.3+2 2.6 5.2  YULB
 SSLB eP      06:19:23.31   0.0   20.3 344 b:3.2+1 1.0 4.6                   SSLB
 NACB eP      06:19:25.84   0.3   20.5 346 b:1.2+1 .71 4.3                   NACB
 YHNB eP      06:19:32.09   0.8   21.1 346 b:3.9+1 1.1 4.7                   YHNB
 FITZ eP      06:19:39.54  -3.6X  22.2 183 b:4.8+1 1.4 4.7                   FITZ
      e       06:23:39.90   0.4X
 WRAB eP      06:20:10.95  -0.4   25.1 163 g:1.1-1 1.2 4.6X b:1.1+2 1.2 5.3  WRAB
 IPM  eP      06:20:17.31  -0.7   25.8 272 b:3.6+1 1.4 4.8                   IPM 
 MBWA eP      06:20:20.53  -0.5   26.1 195 b:3.4+1 .85 5.0                   MBWA
 KULM eP      06:20:20.80  -0.7   26.2 273 b:1.0+1 .92 4.4                   KULM
 AS31 eP      06:20:41.42  -0.9   28.5 166                                   AS31
 CHTO eP      06:21:04.04   0.1   30.9 300 b:3.3+0 .55 4.3                   CHTO
 FORT eP      06:21:36.50  -0.8   34.8 178 b:5.2+1 .70 5.6                   FORT
 EIDS eP      06:22:01.24  -0.4   37.6 143 b:1.6+1 .95 4.9                   EIDS
 BBOO eP      06:22:03.31   0.2   37.8 167 b:6.0+2 1.0 6.4X                  BBOO
 NWAO eP      06:22:03.54  -1.4   38.0 193 b:1.5+0 .93 5.0                   NWAO
 STKA eP      06:22:08.96   0.0   38.5 160 b:4.3+0 .67 4.4                   STKA
      ePP     06:23:36.40  -1.1X
 ARMA eP      06:22:37.40   1.2   41.8 147 b:8.1+1 1.5 5.2                   ARMA
 ULN  eP      06:23:16.13   0.1   46.7 342 b:6.3+0 .70 4.7                   ULN 
      ePcP    06:24:50.29   1.2X
 MK31 eP      06:24:33.82  -0.5   57.3 325                                   MK31
 MKAR eP      06:24:34.25  -0.1   57.3 325                                   MKAR
 TKM2 eP      06:24:50.11  -0.1   59.5 318 b:1.5+1 1.7 4.8                   TKM2
 ZAA0 eP      06:24:53.61  -1.3   60.3 333                                   ZAA0
 AAK  eP      06:24:54.43   0.0   60.1 318 b:8.7+0 .65 5.0                   AAK 
      ePcP    06:25:40.81   0.9X
 EKS2 eP      06:24:57.38  -0.4   60.6 317 b:6.2+0 1.0 4.7                   EKS2
 KBL  eP      06:25:01.98  -1.1   61.4 307 b:5.6+0 .67 4.8                   KBL 
 KURK eP      06:25:02.55  -0.4   61.5 327 b:1.2+1 .80 5.1                   KURK
 KKAR qP      06:25:11.33  -2.4   63.0 317 b:3.5+0 .78 4.6                   KKAR
 BRVK eP      06:25:39.55  -0.5   67.1 327 b:1.3+1 .80 5.1                   BRVK
 ABKAReP      06:26:09.04  -0.7   71.9 321 b:2.6+0 .57 4.4                   ABKA
 GAMB eP      06:26:19.64  -1.8   73.9  24 b:1.6+1 1.4 4.8                   GAMB
 ABPO eP      06:27:04.51  -0.5   81.6 250 b:1.7+1 .98 5.0                   ABPO
 PPLA eP      06:27:09.04   1.7   82.2  27 b:1.4+1 1.1 4.9                   PPLA
 TRF  eP      06:27:12.12   0.0   83.1  27 b:9.6+0 1.0 4.8                   TRF 
 PMR  eP      06:27:15.10   1.1   83.5  29 b:9.7+0 .76 5.0                   PMR 
 COLD eP      06:27:15.93   2.3   83.4  23 b:2.8+1 1.3 5.2                   COLD
 MCK  eP      06:27:16.50   1.3   83.7  26 b:1.7+1 .92 5.2                   MCK 
 SML  eP      06:27:16.70   0.6   83.9  28 b:6.7+0 .92 4.8                   SML 
 COLA eP      06:27:18.31   0.6   84.2  25 b:4.5+0 .90 4.6                   COLA
 MALT eP      06:27:28.34  -0.1   86.2 308 b:1.1+1 1.4 4.9                   MALT
 BR131eP      06:27:45.17  -0.7   89.9 310 b:1.1+0 .70 4.2                   BR13
 KMBO eP      06:27:45.43  -0.4   89.7 269 b:1.1+1 1.1 5.1                   KMBO
 SUW  eP      06:28:07.37  -0.1   94.7 325 b:3.4+1 1.0 5.7                   SUW 
 BUR08eP      06:28:08.64   0.3   94.8 318                                   BUR0
 PSZ  eP      06:28:21.93  -1.9   98.2 319 b:4.3+0 .90 5.0                   PSZ 
 MIAR ePKPdf  06:33:51.19   2.4  125.9  41                                   MIAR
 LCO  ePKPbc  06:34:39.80   1.3  150.2 148                                   LCO 



 Generated 2009 APR 22 at 11:08 UTC

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


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