Phase Data

Explanation of Parameters 


     29 SEP 2011  (272)

     ot  = 09:13:36.58   +/-   1.96              VANUATU                         
     lat =     -13.127   +/-    5.5
     lon =     166.967   +/-   17.9              MAGNITUDE 4.6 (GS)       
     dep =       211.9   +/-    8.5   

     267 km (166 miles) N of Luganville, Espiritu Santo, Vanuatu
     293 km (182 miles) SSE of Lata, Santa Cruz Islands, Solomon Isl.
     529 km (329 miles) NNW of PORT-VILA, Efate, Vanuatu
     2152 km (1336 miles) NE of BRISBANE, Queensland, Australia

     nph =   27 of  27    se = 0.97    FE=186                            A   

     error ellipse = ( 90.0,  6.0, 27.7;193.0, 64.0, 13.5;357.0, 24.0,  6.8)

 mb = 4.6 ( 20)  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
 DZM  ePn     09:15:40.59  -1.1    8.9 183                                   DZM 
 MSVF ePn     09:16:17.53   0.9   11.6 115                                   MSVF
 EIDS eP      09:17:46.44   0.8   19.3 229 b:3.1+1 1.0 4.8                   EIDS
 CTAO eP      09:18:04.69   0.7   21.0 248 b:3.6+1 1.0 4.8                   CTAO
 ARMA eP      09:18:17.19   0.6   22.3 217 b:2.2+2 1.8 5.4                   ARMA
 OUZ  eP      09:18:21.53   0.5   22.8 166 b:4.4+1 1.0 5.0                   OUZ 
 COEN eP      09:18:25.85   1.4   23.1 265 b:6.9+1 2.0 4.9                   COEN
 BKZ  eP      09:19:00.73  -0.7   27.3 164 b:2.7+1 .66 5.1                   BKZ 
 THZ  eP      09:19:16.36  -0.3   29.0 171 b:7.9+1 1.1 5.3                   THZ 
 LTZ  eP      09:19:24.41  -0.2   29.9 172 b:1.3+2 1.8 5.3                   LTZ 
 STKA eP      09:19:24.52   0.4   29.8 227 b:5.2+0 .55 4.4                   STKA
 OXZ  eP      09:19:28.06  -0.9   30.4 173 b:5.5+1 1.3 5.1                   OXZ 
 RPZ  eP      09:19:31.55   0.1   30.7 174 b:1.3+2 2.0 5.3                   RPZ 
 WB2  eP      09:19:41.95  -0.9   31.9 253                                   WB2 
      eP      09:19:42.25  -0.6 
 WRAB eP      09:19:42.33  -0.5   31.9 253 b:2.7+1 1.4 4.7                   WRAB
 AS01 eP      09:19:50.54  -1.1   33.0 247                                   AS01
 AS31 eP      09:19:51.32  -0.7   33.0 247 b:5.7+0 .65 4.3                   AS31
 MBWA eP      09:21:37.56   0.7   45.7 253 b:2.8+1 .80 4.7                   MBWA
 VNDA eP      09:23:49.85   0.0   64.5 181 b:1.6+1 1.3 4.7                   VNDA
 SBA  eP      09:23:52.72   1.1   64.7 180 b:1.3+1 .90 4.7                   SBA 
 QSPA eP      09:25:05.23   0.0   76.9 180                                   QSPA
 ULN  eP      09:25:26.81   0.7   80.7 324 b:1.2+1 1.3 4.5                   ULN 
 SONA1eP      09:25:28.37   0.4   81.0 324                                   SONA
 CAST eP      09:25:34.80  -0.6   82.6  17 b:4.1+0 .84 4.2                   CAST
 MAW  eP      09:25:39.16   0.2   83.3 202 b:5.2+0 1.2 4.1                   MAW 
 ILB  eP      09:25:47.27  -1.0   85.1  18                                   ILB 



 Generated 2011 SEP 29 at 09:33 UTC

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