Phase Data

Explanation of Parameters


     13 JAN 2010  ( 13)

     ot  = 07:54:59.86   +/-   0.88              PHILIPPINE ISLANDS REGION       
     lat =       5.177   +/-    5.1
     lon =     127.317   +/-    7.7              MAGNITUDE 5.0 (GS)       
     dep =       118.9   +/-    8.8   

     260 km (160 miles) ESE of General Santos, Mindanao, Philippines
     280 km (175 miles) SE of Davao, Mindanao, Philippines
     1260 km (780 miles) SE of MANILA, Philippines
     2610 km (1620 miles) ENE of JAKARTA, Java, Indonesia

     nph =   39 of  41    se = 0.88    FE=248                            A   

     error ellipse = (245.7, 49.4, 16.8;120.6, 26.3,  8.1; 15.0, 28.5,  6.1)

 mb = 5.0 ( 20)  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  ePn     07:55:39.24  -1.1    2.6 318 L:3.3+0 .70 4.4X                  DAV 
 TNTI ePn     07:56:04.10  -0.4    4.4 179                                   TNTI
      eSn     07:56:54.52  S res =  -0.1X
 LUWI ePn     07:56:49.25   0.3    7.7 216                                   LUWI
      eSn     07:58:15.28  S res =   1.1X
 MYLDMePn     07:57:03.81  -0.2    8.8 270 L:8.0-2 1.1 4.4X                  MYLD
 SOEI ePn     07:58:29.85   2.1   15.1 192                                   SOEI
 SBUM eP      07:58:31.76   2.1   15.3 260 b:5.8+1 .90 4.8                   SBUM
 KSM  eP      07:58:54.15  -0.5   17.4 258 b:3.5+1 .60 4.8                   KSM 
 WRAB eP      08:00:19.83  -1.0   25.9 165 b:3.8+1 .50 5.2                   WRAB
 AS31 eP      08:00:50.95  -1.0   29.4 168                                   AS31
 FORT eP      08:01:46.99  -0.4   35.8 179 b:7.3+1 .60 5.7                   FORT
 BBOO eP      08:02:11.72  -0.4   38.7 168 b:2.3+3 2.4 6.6X                  BBOO
 STKA eP      08:02:16.50  -0.6   39.3 161 b:5.0+0 1.0 4.3                   STKA
 ULN  eP      08:03:11.73   0.8   45.9 341 b:4.1+0 .70 4.3                   ULN 
 PET  eP      08:04:13.53   0.7   54.2  23 b:3.5+1 1.3 5.2                   PET 
 YAK  eP      08:04:31.30   0.2   56.8   1 b:2.3+1 .60 5.3                   YAK 
 MKAR eP      08:04:31.30   0.1   56.7 324                                   MKAR
 MK31 P       08:04:31.30   0.1   56.7 324                                   MK31
 TKM2 eP      08:04:47.95   0.0   59.1 318 b:3.7+0 .55 4.7                   TKM2
 ZAA0 P       08:04:50.34  -0.6   59.6 332                                   ZAA0
 AAK  eP      08:04:51.70  -0.5   59.7 317                                   AAK 
 EKS2 eP      08:04:56.20   0.7   60.2 317                                   EKS2
 FX1  eP      08:04:58.67   1.1   60.5  30                                   FX1 
 KURK P       08:04:59.34  -0.3   60.8 327 b:2.1+1 .55 5.4                   KURK
 TIXI eP      08:05:34.32  -1.4   66.4   1 b:8.3+0 .70 4.8                   TIXI
 BRVK eP      08:05:36.10  -0.7   66.5 326 b:2.2+1 .70 5.2                   BRVK
 ABKAReP      08:06:06.95  -0.2   71.4 320                                   ABKA
 GAMB eP      08:06:15.92   0.5   72.8  24 b:1.0+1 .72 4.7                   GAMB
 ARU  eP      08:06:21.57  -1.0   74.0 327                                   ARU 
 KDAK eP      08:06:58.28   0.5   80.4  32 b:3.2+2 2.1 5.7                   KDAK
 KTH  eP      08:07:06.10   1.0   81.7  27 b:1.0+2 2.1 5.2                   KTH 
 TRF  eP      08:07:06.71   0.1   82.0  27 b:2.4+1 1.2 4.8                   TRF 
 RC01 eP      08:07:06.81  -0.1   82.1  29                                   RC01
 COLD eP      08:07:09.32   1.2   82.3  23 b:1.1+1 .64 4.8                   COLD
 MCK  eP      08:07:09.34  -0.3   82.6  26 b:2.2+1 .88 5.0                   MCK 
 COLA eP      08:07:11.30  -1.0   83.1  25 b:1.1+2 2.5 5.3                   COLA
 DIV  eP      08:07:17.61   0.7   84.0  29                                   DIV 
 BMRM eP      08:07:20.63   0.9   84.6  29                                   BMRM
 INK  eP      08:07:38.70  -0.4   88.6  22                                   INK 
 BR131P       08:07:43.37  -1.0   89.6 310 b:4.5+0 1.0 4.5                   BR13



 Generated 2010 JAN 13 at 08:14 UTC

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