Phase Data

Explanation of Parameters


     14 OCT 2011  (287)

     ot  = 10:01:09.69   +/-   1.03              HALMAHERA, INDONESIA            
     lat =       2.506   +/-   11.6
     lon =     128.495   +/-   12.6              MAGNITUDE 4.7 (GS)       
     dep =       111.3   +/-   13.2   

     227 km (141 miles) NNE of Ternate, Moluccas, Indonesia
     421 km (261 miles) ENE of Manado, Sulawesi, Indonesia
     1570 km (975 miles) SSE of MANILA, Philippines
     2590 km (1608 miles) ENE of JAKARTA, Java, Indonesia

     nph =   31 of  32    se = 0.51    FE=267                            A   

     error ellipse = ( 64.0, 27.0, 21.5;197.0, 52.0, 20.8;321.0, 23.0, 13.9)

 mb = 4.7 (  1)  ML = 4.3 (  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     10:02:29.11   1.3    5.4 327 L:8.5-1 1.2 4.8                   DAV 
      eSn     10:03:29.25  S res =   0.7 
 FAKI ePn     10:02:43.95   0.1    6.6 145 L:6.0-2 1.4 3.9                   FAKI
 MYLDMePn     10:03:34.21  -0.6   10.3 285                                   MYLD
 MMRI ePn     10:04:05.53  -0.9   12.7 209                                   MMRI
 KKM  ePn     10:04:06.96   0.0   12.7 286                                   KKM 
 SOEI ePn     10:04:09.70   0.7   12.9 199                                   SOEI
 SBUM ePn     10:04:50.41  -1.4   16.3 270 b:8.5+1 1.1 4.9                   SBUM
 JAGI eP      10:05:12.00   0.3   18.0 233 b:8.3+1 .90 5.0                   JAGI
 KSM  eP      10:05:13.28  -0.9   18.2 267 b:3.3+1 1.0 4.6                   KSM 
 DLV  eP      10:05:54.58   0.2   21.9 296 b:3.1+1 1.1 4.6                   DLV 
 SARN eP      10:05:55.67  -0.3   22.1  49                                   SARN
 PMG  eP      10:05:55.78   0.2   22.0 123 b:1.2+1 .90 4.2                   PMG 
 SSLB eP      10:05:59.01   0.0   22.4 342 b:1.3+1 .80 4.3                   SSLB
 CISI eP      10:06:03.96  -0.6   22.9 244 b:6.1+1 .90 4.9                   CISI
 WB2  eP      10:06:04.10  -1.4   23.0 166                                   WB2 
      eP      10:06:05.80   0.3 
 WRAB eP      10:06:05.71   0.3   23.0 166 b:6.8+1 1.5 4.8                   WRAB
 TATO eP      10:06:07.86  -0.2   23.3 344 b:1.4+3 1.4 6.2                   TATO
 MYKOMeP      10:06:21.26   1.1   24.6 269 b:3.1+1 .80 4.8                   MYKO
 AS01 eP      10:06:37.54   0.2   26.5 169                                   AS01
      ePcP    10:10:00.14   0.8X
 AS31 eP      10:06:37.83   0.6   26.5 169 b:3.0+0 .55 4.1                   AS31
 BKNI eP      10:06:46.11  -0.1   27.5 266 b:8.0+1 .40 5.7                   BKNI
 KULM eP      10:06:49.54  -0.1   27.9 277 b:2.4+1 1.5 4.6                   KULM
 CHTO eP      10:07:36.18   0.4   33.2 301 b:5.8+0 .75 4.5                   CHTO
 KS15 eP      10:07:49.50  -0.5   34.8 359                                   KS15
 STKA eP      10:08:03.53   0.2   36.4 161 b:2.9+0 .95 4.1                   STKA
 SONA1eP      10:09:46.07   0.6   49.0 340                                   SONA
 MK01 eP      10:11:01.40  -0.1   59.5 325                                   MK01
 MKAR eP      10:11:01.63   0.0   59.6 325 b:4.2+1 .85 5.6                   MKAR
 MK31 eP      10:11:01.63   0.0   59.6 325                                   MK31



 Generated 2011 OCT 14 at 10:16 UTC

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