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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     21 APR 2009  (111)

     ot  = 18:47:37.72   +/-   2.97              PHILIPPINE ISLANDS REGION       
     lat =      12.278   +/-    5.4
     lon =     126.277   +/-    6.8              MAGNITUDE 4.9 (GS)       
     dep =        39.4   +/-   27.5   

     150 km (95 miles) NNE of Guiuan, Samar, Philippines (pop N/A)
     180 km (110 miles) NE of Tacloban, Leyte, Philippines
     180 km (110 miles) E of Calbayog, Samar, Philippines
     630 km (390 miles) ESE of MANILA, Philippines

     nph =   48 of  60    se = 0.70    FE=248                            B   

     error ellipse = (224.9, 78.5, 43.0; 75.6, 10.0,  8.8;344.6,  5.8,  5.4)

 mb = 4.9 ( 35)  ML = 0.0 (  0)  mblg = 4.0 (  5)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  qPn     18:48:50.41  -2.9X   5.2 188                                   DAV 
 KKM  qPn     18:50:27.27   4.9X  11.7 239                                   KKM 
 KAPI eP      18:51:49.68   0.5   18.4 201 g:7.8-2 1.0 4.3  b:8.8+1 1.1 4.8  KAPI
 KSM  eP      18:51:58.68   1.0   19.1 237 g:9.1-2 1.2 4.3  b:9.1+1 1.2 4.9  KSM 
 KULM eP      18:53:08.42  -1.0   26.2 257 g:6.6-3 .75 3.6  b:6.6+0 .75 4.3  KULM
 CHTO eP      18:53:16.37  -0.8   27.1 287 g:1.5-2 1.0 3.8  b:1.5+1 1.0 4.5  CHTO
      ePcP    18:56:38.20   0.7X
 CM31 eP      18:53:16.88   0.3   27.0 287 g:1.1-2 .73 3.9  b:8.8+0 .60 4.6  CM31
 FITZ eP      18:53:44.79   0.3   30.2 181 b:3.8+1 1.1 5.1                   FITZ
 PMG  qP      18:53:46.03   3.9X  29.9 135 b:9.3+0 .88 4.6                   PMG 
 WRAB eP      18:54:07.75  -1.3   33.0 166 b:2.7+1 1.2 5.0                   WRAB
 MBWA eP      18:54:15.50  -1.1   33.8 191 b:1.2+1 1.0 4.8                   MBWA
 AS31 eP      18:54:38.78  -0.6   36.5 168                                   AS31
 CTAO eP      18:54:49.95   0.3   37.7 148                                   CTAO
 ULN  eP      18:54:59.68  -0.4   39.0 339 b:8.3+0 .70 4.6                   ULN 
      ePcP    18:57:11.26   1.2X
 FORT eP      18:55:32.75   0.7   42.8 178 b:1.0+2 .85 5.6                   FORT
 NWAO eP      18:55:55.51   0.0   45.8 191                                   NWAO
 BBOO eP      18:55:55.57  -0.1   45.8 168 b:4.3+2 .65 6.5X                  BBOO
 STKA eP      18:55:59.82   0.2   46.3 162 b:5.9+0 .88 4.5                   STKA
      e       18:56:18.19   2.6X
      ePcP    18:57:34.29  -0.3X
 MK31 eP      18:56:32.26   0.6   50.5 322                                   MK31
      e       18:56:42.92  depth =  36.6X
 ZAA0 eP      18:56:49.13  -0.4   52.9 331                                   ZAA0
 TKM2 eP      18:56:53.36   0.6   53.3 315 b:1.1+1 1.1 4.8                   TKM2
 AAK  eP      18:56:58.17   0.5   53.9 314 b:8.8+1 1.6 5.5                   AAK 
 EKS2 eP      18:57:01.02  -0.3   54.4 314 b:1.1+1 1.0 4.8                   EKS2
 KURK eP      18:57:01.17   0.2   54.4 325 b:3.0+1 1.0 5.3                   KURK
 FX1  eP      18:57:08.53   3.1X  55.0  33                                   FX1 
 KBL  eP      18:57:13.94  -0.5   56.2 303 b:2.6+1 .65 5.4                   KBL 
      e       18:57:25.36  depth =  39.0X
 KKAR eP      18:57:18.86   0.2   56.9 314 b:2.7+0 .50 4.5                   KKAR
 TAU  qP      18:57:26.80  -1.1   58.2 162 b:7.8+0 .77 4.9                   TAU 
 MSVF eP      18:57:36.85   1.7   59.2 119 b:2.8+1 1.0 5.3                   MSVF
 BRVK eP      18:57:41.13   0.1   60.1 325 b:1.1+1 .80 5.0                   BRVK
 ABKAReP      18:58:15.67  -0.5   65.4 319 b:2.8+0 .60 4.5                   ABKA
 GNI  eP      18:59:20.76   0.9   75.8 309 b:1.7+1 .95 5.0                   GNI 
 TRF  eP      18:59:21.96   0.2   76.2  27 b:3.7+1 1.8 5.1                   TRF 
 COLD eP      18:59:22.32   0.3   76.3  23 b:1.7+1 1.2 4.9                   COLD
 PMR  eP      18:59:23.75  -0.9   76.7  29                                   PMR 
 MCK  eP      18:59:24.63  -0.4   76.8  27 b:3.2+1 1.2 5.2                   MCK 
 SML  eP      18:59:26.34  -0.5   77.1  29                                   SML 
 COLA qP      18:59:28.13   0.7   77.2  26                                   COLA
 CASY eP      18:59:38.94   0.8   79.2 186 b:2.1+1 .93 5.1                   CASY
 EGAK eP      18:59:43.42   0.2   80.1  26 b:1.8+1 1.4 4.8                   EGAK
 MALT eP      18:59:49.17   1.2   80.8 307 b:1.3+1 1.0 4.9                   MALT
 ARE0 eP      18:59:55.87   0.8   82.3 340                                   ARE0
 FIA1 eP      19:00:03.62  -0.9   84.1 332                                   FIA1
      e       19:00:14.68  depth =  35.4X
 BR131eP      19:00:05.01  -0.9   84.3 309 b:1.9+0 .65 4.4                   BR13
 KIEV eP      19:00:08.47  -0.8   85.0 321 b:3.1+1 1.2 5.4                   KIEV
 AK01 eP      19:00:08.65  -0.6   85.0 321                                   AK01
 AK02 eP      19:00:09.23  -0.1   85.0 321                                   AK02
 CSS  eP      19:00:12.09   0.4   85.5 305 b:1.7+1 .65 5.4                   CSS 
 SUW  eP      19:00:22.69   0.4   87.7 325 b:2.5+1 1.0 5.4                   SUW 
 BUR08eP      19:00:25.66   0.0   88.4 318                                   BUR0
 RES  eP      19:00:30.30  -0.2   89.5  10 b:6.7+0 .65 5.1                   RES 
      e       19:00:41.28  depth =  34.6X
 KMBO eP      19:00:31.47   0.6   89.3 269 b:9.6+0 1.3 5.0                   KMBO



 Generated 2009 APR 21 at 21:09 UTC

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


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