Phase Data

Explanation of Parameters


     10 SEP 2012  (254)

     ot  = 04:32:39.99   +/-   0.54              HALMAHERA, INDONESIA            
     lat =       2.952   +/-   13.0
     lon =     128.440   +/-   10.1              MAGNITUDE 4.6 (GS)       
     dep =       178.4   +/-   10.3   

     267 km (166 miles) NNE of Ternate, Moluccas, Indonesia
     430 km (267 miles) ENE of Manado, Sulawesi, Indonesia
     1525 km (947 miles) SSE of MANILA, Philippines
     2603 km (1616 miles) ENE of JAKARTA, Java, Indonesia

     nph =   19 of  19    se = 0.27    FE=267                            A   

     error ellipse = (351.0,  7.0, 20.3; 89.0, 46.0, 17.3;254.0, 42.0, 13.1)

 mb = 4.6 ( 10)  ML = 4.7 (  2)  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     04:33:55.57   1.8    5.0 325 L:9.2-1 .52 4.7                   DAV 
      eSn     04:34:41.54  S res = -10.1 
 MTN  ePn     04:36:14.02  -0.4   15.9 170 b:3.0+1 .35 5.1                   MTN 
 ANA2 eP      04:37:16.00   0.2   21.6  51 b:4.2+1 .72 5.0                   ANA2
 WB2  eP      04:37:33.65  -0.1   23.5 166                                   WB2 
      eP      04:37:34.65   0.9 
 WRAB eP      04:37:34.74   1.1   23.5 166 b:1.3+1 1.0 4.4                   WRAB
 MBWA eP      04:37:51.38   0.0   25.4 199 b:1.1+1 .65 4.7                   MBWA
 AS01 eP      04:38:04.99  -0.5   27.0 169                                   AS01
      ePcP    04:41:20.79  -1.7 
 AS31 eP      04:38:05.50   0.1   27.0 169 b:2.6+0 .45 4.2                   AS31
 PSI  eP      04:38:27.77   0.0   29.5 270 b:8.7+0 .90 4.5                   PSI 
 CM01 eP      04:38:55.95   0.1   32.7 300                                   CM01
 FORT eP      04:39:02.84  -0.1   33.5 181 b:3.5+1 .65 5.2                   FORT
 STKA eP      04:39:30.80  -0.2   36.8 161 b:6.1+0 2.0 3.9                   STKA
 NWAO eP      04:39:34.89   0.5   37.2 196 b:1.8+1 .85 4.8                   NWAO
 IM3  eP      04:44:41.24  -0.4   82.4  24                                   IM3 
 CAST eP      04:44:43.28   0.0   82.7  27                                   CAST
 DIV  eP      04:44:57.31   0.2   85.4  29                                   DIV 



 Generated 2012 SEP 10 at 04:48 UTC

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