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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     19 APR 2009  (109)

     ot  = 15:23:50.09   +/-   1.02              KEPULAUAN TALAUD, INDONESIA     
     lat =       3.992   +/-    4.6
     lon =     126.718   +/-    7.4              MAGNITUDE 4.9 (GS)       
     dep =        87.9   +/-    9.4   

     290 km (180 miles) SE of General Santos, Mindanao, Philippines
     345 km (215 miles) NE of Manado, Sulawesi, Indonesia
     1335 km (830 miles) SSE of MANILA, Philippines
     2490 km (1540 miles) ENE of JAKARTA, Java, Indonesia

     nph =   53 of  55    se = 1.01    FE=263                            A   

     error ellipse = (261.3, 58.1, 15.9; 87.2, 31.8,  9.0;355.5,  2.6,  7.0)

 mb = 4.9 ( 42)  ML = 0.0 (  0)  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  qP      15:24:40.32   1.2    3.3 340 d:1.5+2     4.7X L:3.0+0 .90 4.8X DAV 
                                           g:2.3+0 .90 4.6X
 KKM  eP      15:26:20.62   0.6   10.7 281 g:6.2-2 1.1 3.8X b:8.7+1 1.2 5.5X KKM 
 KAPI eP      15:26:28.90  -0.2   11.3 218 g:4.2-2 1.0 3.7X b:7.0+1 1.2 5.4X KAPI
 KSM  eP      15:27:39.18   1.8   16.6 262 b:6.0+1 .60 5.0                   KSM 
 TWG  eP      15:28:06.75  -3.6X  19.5 344 g:9.5-2 .70 4.6X b:1.3+2 .50 5.5  TWG 
 YULB eP      15:28:12.29  -3.4X  20.0 345 g:2.8-2 .95 3.9X b:2.0+1 .50 4.7  YULB
 TPUB eP      15:28:15.57  -1.1   20.1 343 g:4.3-2 .70 4.3X b:4.6+1 .55 5.0  TPUB
 SSLB eP      15:28:18.75  -1.9   20.5 345 g:3.3-2 .70 4.2X b:3.8+1 .60 4.9  SSLB
 YHNB eP      15:28:27.40  -1.3   21.2 346 g:2.5-2 .75 4.0X b:2.0+1 .50 4.7  YHNB
 FITZ eP      15:28:35.35  -1.7   22.0 183 b:2.2+1 .63 4.7                   FITZ
 WRAB eP      15:29:03.97  -1.3   24.9 163 b:1.3+2 .85 5.4                   WRAB
 IPM  eP      15:29:11.29  -0.4   25.6 272 g:1.6-2 .70 4.0X b:1.6+1 .70 4.6  IPM 
 MBWA eP      15:29:14.00  -0.2   25.9 195 g:4.1-2 .70 4.4X b:4.1+1 .70 5.1  MBWA
 CM31 eP      15:29:57.36   0.2   30.7 300 b:7.7+0 .65 4.6                   CM31
 CHTO eP      15:29:57.70  -0.8   30.9 301 b:1.3+1 .60 4.8                   CHTO
 FORT eP      15:30:30.89   0.2   34.6 178 b:6.2+1 .75 5.6                   FORT
 EIDS eP      15:30:56.26   0.1   37.6 142 b:1.6+1 .70 5.1                   EIDS
 BBOO eP      15:30:56.99   0.2   37.7 167 b:1.3+3 1.2 6.7X                  BBOO
 NWAO eP      15:30:57.60  -0.4   37.8 193 b:9.8+1 1.4 5.5                   NWAO
 STKA eP      15:31:02.78  -0.1   38.4 159 b:1.1+1 .75 4.9                   STKA
 ASAJ eP      15:31:35.05  -0.4   42.3  17 b:3.2+0 .70 4.3                   ASAJ
 ULN  eP      15:32:11.82   0.2   46.9 342 b:8.7+0 .80 4.7                   ULN 
 PEA0BeP      15:33:14.34   0.7   55.2  22                                   PEA0
 MK31 eP      15:33:28.34  -0.7   57.3 325                                   MK31
 TKM2 eP      15:33:44.61  -0.2   59.5 318 b:4.6+0 .50 4.9                   TKM2
 AAK  eP      15:33:48.12  -0.8   60.2 318 b:1.9+1 .70 5.3                   AAK 
 ZAA0 eP      15:33:48.38  -1.4   60.3 333                                   ZAA0
 EKS2 eP      15:33:53.14   0.9   60.6 318 b:7.3+0 .70 4.9                   EKS2
 KURK eP      15:33:56.99  -0.7   61.5 327 b:1.9+1 .50 5.4                   KURK
 KBL  qP      15:33:57.23   0.0   61.4 307 b:8.8+0 .80 4.9                   KBL 
 KKAR eP      15:34:08.32   0.2   63.0 317 b:3.0+0 .58 4.5                   KKAR
 BRVK eP      15:34:34.57   0.0   67.2 327 b:2.0+1 .95 5.0                   BRVK
 ABKAReP      15:35:03.41  -0.6   71.9 321 b:4.2+0 .55 4.5                   ABKA
 GAMB eP      15:35:14.73  -2.1   74.2  24 b:3.9+0 .82 4.3                   GAMB
 AKUT eP      15:35:15.13   0.7   73.7  35                                   AKUT
 ABPO eP      15:35:59.54   1.7   81.4 250 b:1.3+1 .63 5.0                   ABPO
 PPLA eP      15:36:04.04   1.5   82.4  27 b:6.6+0 .60 4.7                   PPLA
 TRF  eP      15:36:06.65  -0.6   83.3  27 b:2.3+1 1.2 5.0                   TRF 
 PMR  eP      15:36:09.98   0.9   83.7  29 b:4.4+1 1.4 5.2                   PMR 
 SML  eP      15:36:11.06  -0.1   84.1  28 b:1.5+1 1.3 4.8                   SML 
 COLD eP      15:36:11.14   2.4   83.7  23 b:8.1+0 .86 4.7                   COLD
 MCK  eP      15:36:11.53   1.3   83.9  26 b:3.7+1 1.2 5.2                   MCK 
 DIV  eP      15:36:17.75   0.4   85.3  29 b:3.3+1 1.1 5.2                   DIV 
 PAX  eP      15:36:19.27   1.2   85.5  27 b:1.2+1 1.2 4.8                   PAX 
 MALT qP      15:36:21.63  -0.7   86.2 308 b:2.5+0 .60 4.4                   MALT
 BR131eP      15:36:38.81  -0.8   89.8 310 b:1.8+0 .60 4.4                   BR13
 KMBO eP      15:36:39.28   0.4   89.5 269 b:1.4+1 1.1 5.0                   KMBO
 AK01 eP      15:36:45.90  -1.8   91.7 321                                   AK01
 FIA1 eP      15:36:47.23   0.2   91.6 332                                   FIA1
 KIEV eP      15:36:47.75   0.0   91.7 321 b:1.1+1 1.1 5.1                   KIEV
 AK02 eP      15:36:48.75   1.0   91.7 321                                   AK02
 SUW  qP      15:37:02.11   0.6   94.7 325 b:3.9+1 .85 5.9                   SUW 
 BUR08eP      15:37:02.83   0.5   94.8 318                                   BUR0
 LSZ  eP      15:37:23.65   0.6   99.3 255 b:4.2+0 .80 5.1                   LSZ 
 TOA0 ePKPdf  15:42:38.06   0.7  122.8 288                                   TOA0



 Generated 2009 APR 19 at 16:46 UTC

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


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