Phase Data

Explanation of Parameters


      5 OCT 2011  (278)

     ot  = 07:34:49.32   +/-   1.46              MINDANAO, PHILIPPINES           
     lat =       5.380   +/-   11.2
     lon =     126.766   +/-   20.3              MAGNITUDE 4.8 (GS)       
     dep =       112.3   +/-    9.7   

     194 km (120 miles) ESE of General Santos, Mindanao, Philippines
     226 km (141 miles) SE of Davao, Mindanao, Philippines
     1200 km (745 miles) SSE of MANILA, Philippines
     2555 km (1586 miles) ENE of JAKARTA, Java, Indonesia

     nph =   23 of  23    se = 0.72    FE=259                            A   

     error ellipse = ( 71.0,  1.0, 32.9;163.0, 46.0, 19.9;340.0, 43.0,  4.5)

 mb = 4.8 ( 12)  ML = 4.7 (  4)  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     07:35:22.38  -0.7    2.0 325 L:9.3+0 .65 4.7                   DAV 
 MYLDMePn     07:36:46.81   0.7    8.2 269 L:1.2-1 1.5 4.7                   MYLD
      eSn     07:38:19.01  S res =   1.5 
 FAKI ePn     07:37:08.66   0.0    9.9 146                                   FAKI
 SBUM ePn     07:38:15.06   1.9   14.8 259                                   SBUM
 SOEI eP      07:38:20.94  -0.1   15.2 189 b:7.4+1 .70 5.1                   SOEI
 KSM  ePn     07:38:39.05   0.1   16.9 257 b:4.6+1 .60 4.9                   KSM 
 MTN  eP      07:38:57.77  -0.4   18.6 167 b:3.5+1 .70 4.8                   MTN 
 JAGI eP      07:38:58.35  -0.1   18.6 223 b:3.5+1 .60 4.8                   JAGI
 WB2  eP      07:40:13.97  -0.2   26.3 164 b:3.4+1 .90 4.9                   WB2 
      eP      07:40:14.15   0.0 
 WRAB eP      07:40:15.67   1.6   26.2 164 b:5.2+1 1.2 5.0                   WRAB
 MBWA eP      07:40:22.74  -0.5   27.3 195 b:2.5+1 .65 4.9                   MBWA
 AS01 eP      07:40:44.74  -0.2   29.7 167                                   AS01
      ePcP    07:43:46.99   0.4 
 AS31 eP      07:40:44.85   0.0   29.7 167 b:3.2+0 .50 4.3                   AS31
 BBOO eP      07:42:05.31   0.5   39.0 168 b:1.9+1 .60 5.1                   BBOO
 STKA eP      07:42:11.05   0.7   39.6 160 b:2.1+0 .80 4.0                   STKA
 ARMA eP      07:42:38.38   1.9   42.8 148 b:1.0+1 .85 4.6                   ARMA
 ULN  eP      07:42:58.92   0.7   45.6 342 b:4.2+0 .70 4.3                   ULN 
 SONA1eP      07:43:00.55   0.9   45.8 341                                   SONA
 MK01 eP      07:44:17.12  -0.7   56.2 325                                   MK01
 KURK eP      07:44:45.62  -1.0   60.4 327                                   KURK



 Generated 2011 OCT  5 at 07:51 UTC

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