Phase Data

Explanation of Parameters


     18 MAY 2012  (139)

     ot  = 17:06:05.26   +/-   2.50              CELEBES SEA                     
     lat =       3.258   +/-   13.5
     lon =     122.954   +/-   12.9              MAGNITUDE 4.6 (GS)       
     dep =       539.1   +/-   12.0   

     286 km (177 miles) NW of Manado, Sulawesi, Indonesia
     299 km (186 miles) N of Gorontalo, Sulawesi, Indonesia
     1272 km (790 miles) S of MANILA, Philippines
     2071 km (1286 miles) ENE of JAKARTA, Java, Indonesia

     nph =   32 of  32    se = 1.23    FE=262                            A   

     error ellipse = (212.0, 30.0, 24.5;105.0, 26.0, 18.6;343.0, 47.0, 14.3)

 mb = 4.6 ( 15)  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
 LUWI eP      17:07:28.03  -0.5    4.3 182                                   LUWI
      eS      17:08:33.29  S res =  -3.2 
 TNTI eP      17:07:33.90  -1.1    5.1 119                                   TNTI
      eS      17:08:47.18  S res =  -1.1 
 MYLDMeP      17:07:35.35   2.2    4.8 293                                   MYLD
 KKM  eP      17:07:55.90   0.3    7.3 293                                   KKM 
 KSM  eP      17:08:52.89   1.1   12.8 262                                   KSM 
 MTN  eP      17:09:44.12   0.9   17.9 153 b:1.5+1 .55 4.8                   MTN 
 MYKOMeP      17:09:55.84   1.6   19.1 266 b:1.6+1 .80 4.7                   MYKO
 GSI  eP      17:10:50.72   0.1   25.4 266 b:2.5+1 .90 4.8                   GSI 
 WRAB eP      17:10:52.14  -0.1   25.6 155 b:1.3+1 1.0 4.5                   WRAB
 WB2  eP      17:10:52.46   0.2   25.6 155 b:1.1+1 .85 4.5                   WB2 
 CM01 eP      17:11:13.26   0.9   27.9 304                                   CM01
 CM31 eP      17:11:13.94   1.3   27.9 305                                   CM31
 AS31 eP      17:11:20.65   0.5   28.8 159 b:1.6+0 .75 3.7                   AS31
 ENH  eP      17:11:28.73   0.6   29.7 336 b:1.2+1 .80 4.6                   ENH 
 SHL  eP      17:12:31.65   0.5   37.2 310 b:1.5+1 .62 4.8                   SHL 
 STKA eP      17:12:47.84   0.8   39.2 155 b:1.9+0 .85 3.7                   STKA
 LSA  eP      17:12:56.10   1.8   40.0 315 b:1.3+1 .65 4.7                   LSA 
 CAN  eP      17:13:38.46   1.9   45.5 150 b:1.5+1 .60 4.7                   CAN 
 SONA1eP      17:13:44.69  -0.7   46.7 345                                   SONA
 MK01 eP      17:14:51.34  -0.3   55.8 327                                   MK01
      ePcP    17:15:41.56  -1.1 
 MK31 eP      17:14:51.75  -0.1   55.8 327                                   MK31
      ePcP    17:15:41.29  -1.5 
 MKAR eP      17:14:51.75  -0.1   55.8 327 b:4.5+1 .95 4.8                   MKAR
      ePcP    17:15:41.16  -1.6 
 MAKZ eP      17:14:52.85  -0.2   56.0 327 b:4.3+0 .45 4.1                   MAKZ
 NRN  eP      17:14:57.88   0.1   56.7 319 b:2.6+0 .60 3.8                   NRN 
 ZALV eP      17:15:13.99  -1.4   59.3 335                                   ZALV
 KURK eP      17:15:20.15  -0.7   60.2 329 b:8.8+0 .40 4.5                   KURK
 ABKAReP      17:16:22.87  -0.8   70.2 322                                   ABKA



 Generated 2012 MAY 18 at 18:32 UTC

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