Phase Data

Explanation of Parameters


     30 OCT 2011  (303)

     ot  = 15:34:05.35   +/-   0.49              SOLOMON ISLANDS                 
     lat =      -9.523   +/-   10.6
     lon =     158.635   +/-    8.1              MAGNITUDE 4.7 (GS)       
     dep =        10.0  (geophysicist)

     145 km (90 miles) W of HONIARA, Guadalcanal, Solomon Islands (pop 50,000)
     169 km (105 miles) SSW of Dadali, Santa Isabel, Solomon Islands
     242 km (150 miles) WSW of Auki, Malaita, Solomon Islands
     2074 km (1288 miles) NNE of BRISBANE, Queensland, Australia

     nph =   15 of  15    se = 1.05    FE=193                            B   

     error ellipse = (153.7,  0.0, 14.9; 63.7,  0.0,  9.3;  0.0,  0.0,  0.0)

 mb = 4.7 ( 13)  ML = 0.0 (  0)  mblg = 3.8 (  1)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 HNR  ePn     15:34:29.28  -0.3    1.3  86                                   HNR 
 CTAO ePn     15:37:49.16  -0.4   15.9 227 b:5.7+1 1.1 4.6                   CTAO
 EIDS ePn     15:38:07.31   0.0   17.3 204 b:4.7+1 1.0 4.6                   EIDS
 MSVF eP      15:38:42.91  -1.4   20.5 115 b:2.7+1 1.1 4.5                   MSVF
 WB2  eP      15:39:36.09   0.7   25.6 243 b:1.5+1 .85 4.7                   WB2 
 WRAB eP      15:39:36.52   1.2   25.6 243 g:1.2-2 .80 3.8  b:1.2+1 .80 4.6  WRAB
 AS31 eP      15:39:50.85  -1.3   27.5 236 b:2.0+0 .95 3.8                   AS31
 MMRI eP      15:41:04.99  -1.5   35.9 268 b:3.8+1 1.0 5.2                   MMRI
 MYLDMeP      15:42:01.37  -0.6   42.6 288 b:1.3+1 1.0 4.6                   MYLD
 VNDA eP      15:45:06.31   2.0   68.0 179 b:4.4+0 .95 4.6                   VNDA
 MCK  eP      15:46:31.73   0.7   83.1  21 b:1.6+1 1.0 5.1                   MCK 
 MAW  eP      15:46:33.19   0.3   83.5 203 b:1.0+0 1.2 3.9                   MAW 
 CCB  eP      15:46:35.89   0.1   84.0  20 b:3.0+1 1.9 5.2                   CCB 
 COLA eP      15:46:36.26  -0.1   84.2  20 b:8.6+0 .70 5.1                   COLA
 ILB  eP      15:46:38.38   0.6   84.4  21                                   ILB 



 Generated 2011 OCT 30 at 16:15 UTC

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