Phase Data

Explanation of Parameters


     19 OCT 2011  (292)

     ot  = 11:29:35.54   +/-   2.49              PHILIPPINE ISLANDS REGION       
     lat =      13.725   +/-    8.1
     lon =     119.651   +/-   16.7              MAGNITUDE 4.8 (GS)       
     dep =        59.2   +/-   11.3   

     140 km (87 miles) SSW of Olongapo, Luzon, Philippines (pop 194,000)
     152 km (95 miles) W of Batangas, Luzon, Philippines (pop 247,000)
     169 km (105 miles) WNW of Calapan, Mindoro, Philippines
     173 km (108 miles) SW of MANILA, Philippines

     nph =   26 of  39    se = 1.23    FE=248                            A   

     error ellipse = ( 89.0, 17.0, 26.4;232.0, 68.0, 16.1;356.0, 12.0, 12.2)

 mb = 4.8 (  1)  ML = 4.6 (  2)  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
 MYLDMePn     11:31:36.61  -0.4    8.6 188 L:8.0-2 1.2 4.6                   MYLD
 TATO ePn     11:32:13.63  -1.0   11.3   9                                   TATO
 SBUM ePn     11:32:41.68  -1.3   13.4 214                                   SBUM
 KSM  ePn     11:33:07.21  -0.6   15.3 218 b:2.1+1 .60 4.5                   KSM 
 JOW  ePn     11:33:08.47   0.0   15.3  30 b:6.3+1 1.1 4.7                   JOW 
 MYKOMeP      11:34:01.66   2.3   19.6 234 b:2.6+1 1.1 4.4                   MYKO
 CM01 eP      11:34:07.19  -0.8   20.4 286                                   CM01
      ePn     11:34:09.35  -1.2 
      ePcP    11:38:18.54  -0.1X
 CHTO eP      11:34:09.36   0.4   20.5 287 b:8.8+0 .85 4.1                   CHTO
 CM31 eP      11:34:09.45   1.2   20.4 286                                   CM31
 IPM  eP      11:34:10.54   1.2   20.5 245 b:1.9+1 .80 4.5                   IPM 
 KULM eP      11:34:10.97   1.9   20.5 248 b:3.1+1 1.2 4.5                   KULM
 MMRI eP      11:34:29.63   0.8   22.4 173 b:6.5+1 1.0 5.0                   MMRI
 BKNI eP      11:34:34.29   1.5   22.7 236 b:3.9+1 .50 5.1                   BKNI
 SOEI eP      11:34:46.60   3.6X  23.8 169 b:6.2+1 .80 5.1                   SOEI
 INU  eP      11:35:13.78   5.2X  26.6  33 b:8.5+1 1.8 5.0                   INU 
 MJB9 eP      11:35:22.29   0.0   28.1  33 b:1.4+1 2.0 4.2                   MJB9
 MAJO eP      11:35:23.11   0.8   28.1  33 b:9.2+0 1.0 4.3                   MAJO
 WB2  eP      11:36:30.67  -4.3X  36.5 156                                   WB2 
      eP      11:36:31.45  -3.5X
 WRAB eP      11:36:31.48  -3.4X  36.4 156 b:4.2+1 .75 5.4                   WRAB
 FORT eP      11:37:43.51  -1.5   45.0 170 b:5.8+2 .85 6.4                   FORT
 MK01 eP      11:37:47.65  -0.6   45.4 324                                   MK01
 MK31 eP      11:37:47.99  -0.4   45.4 324                                   MK31
 MKAR eP      11:37:47.99  -0.4   45.4 324 b:2.9+1 1.0 5.1                   MKAR
 ZAA0 eP      11:38:09.90  -3.0   48.6 333                                   ZAA0
      eP      11:38:12.00  -0.9 
 BBOO eP      11:38:12.46  -2.8X  48.9 162 b:4.0+1 .85 5.5                   BBOO
 KURK eP      11:38:19.56  -1.3   49.6 327 b:1.6+1 .85 5.1                   KURK
 STKA eP      11:38:21.25  -2.7X  50.0 156 b:2.5+0 .90 4.2                   STKA
 KKAR eP      11:38:33.79   0.5   51.2 315 b:3.4+1 .85 5.4                   KKAR
 SONA1ePcP    11:38:53.57  -2.2X  35.8 345                                   SONA
 BRVK eP      11:39:03.08   0.5   55.3 326 b:1.8+1 1.2 5.0                   BRVK
 RAYN eP      11:40:43.88   0.6   70.3 290 b:1.2+1 1.3 4.7                   RAYN
 CAST eP      11:41:18.86  -3.4X  77.1  27                                   CAST
 BPAW eP      11:41:21.14  -3.5X  77.5  27                                   BPAW
 MLY  eP      11:41:21.48  -3.2X  77.5  26                                   MLY 
 MDM  eP      11:41:27.20  -3.4X  78.6  26                                   MDM 



 Generated 2011 OCT 19 at 11:46 UTC

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