Phase Data

Explanation of Parameters


     20 NOV 2011  (324)

     ot  = 21:25:40.59   +/-   0.87              PHILIPPINE ISLANDS REGION       
     lat =       5.617   +/-   12.8
     lon =     127.230   +/-   16.1              MAGNITUDE 4.7 (GS)       
     dep =        81.3   +/-   10.5   

     234 km (145 miles) ESE of General Santos, Mindanao, Philippines
     240 km (149 miles) SE of Davao, Mindanao, Philippines
     1205 km (749 miles) SE of MANILA, Philippines
     2612 km (1622 miles) ENE of JAKARTA, Java, Indonesia

     nph =   31 of  33    se = 0.43    FE=248                            A   

     error ellipse = ( 77.0, 13.0, 25.6;175.0, 28.0, 20.5;325.0, 57.0, 13.0)

 mb = 4.7 ( 19)  ML = 4.6 (  6)  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  ePn     21:26:14.93  -0.1    2.2 311 L:5.7+0 .82 4.5                   DAV 
 LUWI ePn     21:27:32.00  -1.8    8.0 214 L:1.6-1 .95 4.8                   LUWI
 MYLDMePn     21:27:44.46   0.6    8.7 268 L:9.0-2 1.4 4.7                   MYLD
 FAKI ePn     21:27:59.21  -0.2    9.9 149                                   FAKI
 MMRI ePn     21:29:07.71  -0.7   15.0 199 b:3.0+1 .80 4.6                   MMRI
 SBUM ePn     21:29:13.23   1.0   15.3 259 b:2.6+1 .90 4.4                   SBUM
 KSM  ePn     21:29:38.02   0.0   17.4 257 b:1.4+1 1.0 4.2                   KSM 
 MYKOMeP      21:30:43.61  -1.1   23.6 262 b:2.3+1 1.2 4.5                   MYKO
 WRAB eP      21:31:09.44   0.3   26.3 165 b:1.2+1 .80 4.5                   WRAB
 WB2  eP      21:31:09.50   0.3   26.3 165                                   WB2 
      eP      21:31:09.50   0.3 
 ULN  eP      21:33:51.76  -0.3   45.5 341 b:6.9+0 .80 4.6                   ULN 
 SONA1eP      21:33:54.22   0.6   45.7 341                                   SONA
 MK01 eP      21:35:12.97   0.0   56.3 324                                   MK01
 MKAR eP      21:35:13.30   0.2   56.3 324 b:4.6+1 .75 5.6                   MKAR
 MK31 eP      21:35:13.30   0.2   56.3 324                                   MK31
 MAKZ eP      21:35:14.82   0.4   56.5 324 b:1.0+1 .90 4.9                   MAKZ
 ZALV eP      21:35:32.07  -0.7   59.1 332                                   ZALV
 ZAA0 eP      21:35:32.75   0.0   59.1 332                                   ZAA0
 AAK  eP      21:35:34.94   0.6   59.3 317 b:2.6+0 .75 4.4                   AAK 
 KURK eP      21:35:41.56  -0.1   60.4 327 b:1.9+1 .80 5.3                   KURK
 KBL  eP      21:35:44.68   0.0   60.8 307                                   KBL 
      epP     21:36:05.89  depth =   2.1X
      ePcP    21:36:27.37  -0.5 
 KKAR eP      21:35:53.95   0.1   62.2 316 b:5.2+1 .70 5.7                   KKAR
 TIXI eP      21:36:17.09  -0.6   66.0   1 b:1.3+1 1.8 4.6                   TIXI
 SNZO epP     21:36:18.44  -4.1X  63.7 142                                   SNZO
 BRVK eP      21:36:19.38   0.4   66.1 326 b:1.3+1 .75 4.9                   BRVK
 ABKAReP      21:36:49.51  -0.3   71.0 320 b:4.4+1 .70 5.5                   ABKA
 ARU  eP      21:37:04.40  -0.7   73.6 327 b:8.1+0 1.1 4.5                   ARU 
 RAYN eP      21:37:42.42  -0.5   80.2 293 b:6.8+0 .85 4.6                   RAYN
 MARD eP      21:38:01.47  -0.1   83.8 307 b:6.4+0 .56 4.8                   MARD
 BUR04eP      21:38:49.74   0.1   93.9 319                                   BUR0



 Generated 2011 NOV 20 at 21:50 UTC

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