Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


     22 JUL 2007  (203)

     ot  = 13:56:13.88   +/-   1.35              HALMAHERA, INDONESIA            
     lat =       2.624   +/-    4.9
     lon =     128.255   +/-    7.4              MAGNITUDE 4.9 (GS)       
     dep =        77.4   +/-   13.5   

     225 km (140 miles) NNE of Ternate, Moluccas, Indonesia
     400 km (250 miles) ENE of Manado, Sulawesi, Indonesia
     1545 km (960 miles) SSE of MANILA, Philippines
     2580 km (1600 miles) ENE of JAKARTA, Java, Indonesia

     nph =   42 of  42    se = 0.89    FE=267                            A   

     error ellipse = (238.0, 71.1, 21.6; 83.5, 17.2, 10.2;351.1,  7.7,  6.5)

 mb = 5.0 ( 21)  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
 KKM  ePn     13:59:08.40  -0.2   12.5 286                                   KKM 
 KAKA ePn     13:59:51.14  -0.4   15.8 165                                   KAKA
 GUMO eP      14:00:37.90   0.6   19.7  56 b:6.6+1 .90 4.9                   GUMO
 FITZ eP      14:00:48.46  -0.1   20.8 187 b:1.9+2 1.8 5.1                   FITZ
 COEN ePn     14:01:03.93   0.5   22.1 138                                   COEN
 WRAB eP      14:01:13.48  -0.8   23.2 165                                   WRAB
 WB2  eP      14:01:14.19  -0.2   23.2 165                                   WB2 
 MBWA eP      14:01:31.75   0.5   25.1 199 b:8.4+1 1.5 5.0                   MBWA
 CHTO eP      14:02:41.32   0.4   32.9 301 b:2.7+1 1.2 4.9                   CHTO
 FORT eP      14:02:43.09  -0.5   33.2 180                                   FORT
 KS15 eP      14:02:56.80   0.9   34.7 359                                   KS15
 MAJO eP      14:02:57.74  -1.0   35.0  14 b:2.0+0 .46 4.3                   MAJO
 STKA eP      14:03:13.01   0.5   36.6 161                                   STKA
 BJT  eP      14:03:31.07  -0.1   38.8 345 b:4.1+1 .75 5.4                   BJT 
 ARMA eP      14:03:39.84   0.8   39.7 148                                   ARMA
 MDJ  eP      14:03:55.72  -0.4   41.8   1 b:1.9+1 .75 5.0                   MDJ 
 LSA  eP      14:04:17.06   0.2   44.3 311 b:2.3+1 .65 5.1                   LSA 
 ULN  eP      14:04:49.48  -0.7   48.6 341 b:2.5+1 1.0 5.1                   ULN 
 PETK eP      14:05:44.36   0.9   55.9  21                                   PETK
 KURK eP      14:06:35.10  -0.7   63.5 327 b:3.6+1 .80 5.4                   KURK
 KBL  eP      14:06:38.16   2.3   63.4 308 b:6.4+0 .65 4.7                   KBL 
 TIXI eP      14:07:09.54  -0.7   68.9   0 b:6.4+0 .65 4.7                   TIXI
 BRVK eP      14:07:11.20  -0.7   69.1 327 b:1.3+1 .70 5.0                   BRVK
 UNV  eP      14:07:38.57   0.6   73.5  34 b:2.7+3 .64 7.3X                  UNV 
 AKUT eP      14:07:41.54   0.7   74.0  34 b:4.3+1 .63 5.5                   AKUT
 FALS eP      14:07:50.12   0.4   75.5  34 b:9.5+1 .77 5.8                   FALS
 ARU  eP      14:07:55.18  -1.2   76.7 328 b:7.6+0 .55 4.8                   ARU 
 SDPT eP      14:07:59.57  -0.1   77.3  34 b:4.0+1 .59 5.5                   SDPT
 SVW2 eP      14:08:18.40  -1.8   81.0  29                                   SVW2
 OHAK eP      14:08:23.91   1.0   81.6  33 b:2.0+1 .85 5.1                   OHAK
 KDAK eP      14:08:24.58  -0.7   82.0  32 b:1.5+1 .85 4.9                   KDAK
 VNDA eP      14:08:24.84  -0.8   82.1 173 b:7.7+0 1.1 4.5                   VNDA
 IMA2 eP      14:08:29.83   0.5   82.8  24                                   IMA2
 SLKM eP      14:08:32.85  -0.5   83.5  30                                   SLKM
 BPAW eP      14:08:34.15   0.6   83.6  26                                   BPAW
 MCK  eP      14:08:35.96  -2.0   84.5  26                                   MCK 
 DIV  eP      14:08:44.07  -0.5   85.8  29 b:1.5+1 .73 5.1                   DIV 
 BMRM eP      14:08:48.39   1.1   86.3  29                                   BMRM
 MALT qP      14:08:58.59   1.4   88.3 308                                   MALT
 DAWY eP      14:08:58.71   0.1   88.7  26                                   DAWY
 JCT  ePKPdf  14:15:03.84   0.5  123.6  50                                   JCT 
 BCIP ePKPbc  14:15:54.98  -0.8  149.7  67                                   BCIP



 Generated 2007 JUL 22 at 16:36 UTC

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

 


FirstGov button  Take Pride in America button