Phase Data

Explanation of Parameters


     31 MAY 2012  (152)

     ot  = 12:50:46.58   +/-   0.96              PHILIPPINE ISLANDS REGION       
     lat =       5.152   +/-    3.9
     lon =     127.328   +/-   11.8              MAGNITUDE 4.6 (GS)       
     dep =       164.6   +/-    8.9   

     261 km (162 miles) ESE of General Santos, Mindanao, Philippines
     285 km (177 miles) SE of Davao, Mindanao, Philippines
     1254 km (779 miles) SE of MANILA, Philippines
     2597 km (1613 miles) ENE of JAKARTA, Java, Indonesia

     nph =   43 of  44    se = 0.47    FE=248                            A   

     error ellipse = (104.0,  6.0, 18.6;236.0, 80.0, 13.5; 14.0,  7.0,  4.0)

 mb = 4.6 (  1)  ML = 4.3 (  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     12:51:29.72   0.3    2.6 318 L:2.0+0 .70 4.3                   DAV 
      eSn     12:52:01.60  S res =  -1.0 
 TNTI ePn     12:51:51.48  -0.3    4.4 180 L:3.3-1 1.5 4.1                   TNTI
 MYLDMePn     12:52:50.47  -0.1    8.8 271 L:4.0-2 1.1 4.4                   MYLD
 FAKI ePn     12:52:58.08  -0.5    9.4 148                                   FAKI
 KKM  ePn     12:53:20.99   0.1   11.1 275                                   KKM 
 SBUM ePn     12:54:15.04   0.6   15.3 261 b:6.8+1 1.0 5.0                   SBUM
 KSM  eP      12:54:38.19   0.0   17.4 258 b:1.7+1 .70 4.5                   KSM 
 YULB eP      12:54:56.39   0.1   19.0 343 b:2.5+1 1.2 4.5                   YULB
 MYKOMeP      12:55:43.28  -0.1   23.7 263 b:7.4+0 .70 4.3                   MYKO
 COEN eP      12:55:52.25   0.0   24.6 141 b:5.8+1 1.6 4.9                   COEN
 AS01 eP      12:56:33.69  -0.6   29.4 168                                   AS01
 CTAO eP      12:56:50.94   0.2   31.2 144 b:9.4+1 1.9 5.2                   CTAO
 KS01 eP      12:56:59.00   0.2   32.2   1                                   KS01
 GSI  epP     12:57:19.96   6.8X  29.9 264                                   GSI 
 SHL  eP      12:58:01.74  -0.1   39.6 305 b:1.6+1 .72 4.8                   SHL 
 ULN  eP      12:58:52.43  -0.9   46.0 341 b:8.7+0 .60 4.5                   ULN 
 SONA1eP      12:58:55.06   0.2   46.2 341                                   SONA
 YAK  eP      13:00:12.50  -0.7   56.8   1 b:3.2+1 .80 5.3                   YAK 
 MKAR eP      13:00:13.38   0.1   56.7 325 b:4.9+1 .55 5.6                   MKAR
 MK01 eP      13:00:13.67   0.5   56.7 324                                   MK01
 MK31 eP      13:00:13.77   0.5   56.7 325                                   MK31
 MAKZ eP      13:00:14.71   0.1   56.9 324 b:8.3+0 .80 4.7                   MAKZ
 MA2  eP      13:00:16.19   0.0   57.2  14 b:8.2+0 .90 4.6                   MA2 
 KDJ  eP      13:00:20.32   0.1   57.7 318 b:3.7+0 .75 4.3                   KDJ 
 ZAA0 eP      13:00:31.47  -1.5   59.6 332 b:3.0+0 .70 4.3                   ZAA0
 ZALV eP      13:00:32.29  -0.7   59.6 332                                   ZALV
 KURK eP      13:00:41.97   0.3   60.9 327 b:1.0+1 .70 4.8                   KURK
 KKAR eP      13:00:53.22  -0.3   62.6 316                                   KKAR
 KK31 eP      13:00:53.50   0.0   62.6 316                                   KK31
 TIXI eP      13:01:16.84  -0.7   66.4   1 b:1.2+1 1.0 4.7                   TIXI
 BRVK eP      13:01:18.66  -0.1   66.5 327 b:1.5+1 1.1 4.7                   BRVK
 BILL eP      13:01:27.63  -0.6   68.1  15 b:8.1+0 1.5 4.3                   BILL
 ABKAReP      13:01:48.67  -0.4   71.4 320                                   ABKA
 RAYN eP      13:02:40.75  -0.1   80.5 293 b:5.2+0 .75 4.3                   RAYN
 IM3  eP      13:02:42.33   0.7   80.8  24                                   IM3 
 CAST eP      13:02:44.13   0.3   81.2  27 b:7.4+0 .64 4.6                   CAST
 BPAW eP      13:02:47.31   0.6   81.8  26 b:7.6+0 .68 4.6                   BPAW
 MLY  eP      13:02:48.03   0.3   82.0  25 b:8.9+0 .60 4.7                   MLY 
 COLD eP      13:02:51.00   1.3   82.4  23 b:6.2+0 .64 4.5                   COLD
 MCK  eP      13:02:51.04  -0.2   82.6  27 b:1.1+1 .96 4.6                   MCK 
 TOLK eP      13:02:52.56   0.9   82.7  22 b:6.0+0 .75 4.4                   TOLK
 IL1  eP      13:02:54.89  -1.1   83.6  26                                   IL1 
 ILB  eP      13:02:55.32  -0.7   83.6  26                                   ILB 



 Generated 2012 MAY 31 at 13:11 UTC

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