Phase Data

Explanation of Parameters 


     21 MAY 2011  (141)

     ot  = 04:35:38.00   +/-   1.19              SOLOMON ISLANDS                 
     lat =      -9.889   +/-   19.2
     lon =     160.861   +/-   10.6              MAGNITUDE 4.8 (GS)       
     dep =        41.7   +/-    8.6   

     112 km (69 miles) ESE of HONIARA, Guadalcanal, Solomon Islands (pop 50,000)
     125 km (78 miles) S of Auki, Malaita, Solomon Islands (pop 1,000)
     131 km (81 miles) WNW of Kira Kira, San Cristobal, Solomon Isl. (pop 2,000)
     2114 km (1313 miles) NNE of BRISBANE, Queensland, Australia

     nph =   28 of  32    se = 0.59    FE=193                            A   

     error ellipse = (161.0, 11.0, 31.5;259.0, 35.0, 15.0; 55.0, 52.0,  9.1)

 mb = 4.8 (  1)  ML = 4.3 (  2)  mblg = 4.4 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 HNR  ePn     04:35:55.24  -0.4    1.0 296 L:2.0+1 1.0 4.4  g:2.9+0 .80 4.3  HNR 
 CTAO ePn     04:39:35.81  -1.5   17.4 233 b:3.7+1 .85 4.5                   CTAO
 COEN ePn     04:39:42.83   0.4   17.8 255 b:3.6+1 1.0 4.4                   COEN
 EIDS ePn     04:39:44.63  -0.3   18.0 210 b:2.0+1 .70 4.4                   EIDS
 WRAB eP      04:41:20.57   0.3   27.4 246 b:4.5+1 1.5 4.9                   WRAB
 WB2  eP      04:41:20.81   0.4   27.5 246 b:4.0+1 1.4 4.8                   WB2 
 URZ  epP     04:42:15.27   5.7X  31.8 155                                   URZ 
 FITZ eP      04:42:25.20  -2.3   35.1 253 b:6.6+1 2.0 5.2                   FITZ
 KS01 eP      04:45:15.12   0.2   56.3 329                                   KS01
      epP     04:45:20.84  depth =  -5.9X
 ULN  eP      04:47:12.21  -0.7   74.6 326                                   ULN 
      epP     04:47:19.73  depth =  -5.2X
 SONA1eP      04:47:15.95   1.0   75.0 325                                   SONA
 BILL eP      04:47:30.28  -0.6   77.9   2 b:1.4+1 1.2 4.8                   BILL
 SVW2 eP      04:47:32.90  -2.1   78.6  20                                   SVW2
      epP     04:47:44.66  depth =  -2.6 
 CAST eP      04:47:50.00  -0.2   81.4  20 b:6.2+0 .80 4.7                   CAST
 MCK  eP      04:47:56.38  -0.4   82.7  20 b:1.5+1 .88 5.1                   MCK 
 MLY  eP      04:47:57.41  -0.8   82.9  19 b:2.4+1 1.9 4.9                   MLY 
 RND  ePcP    04:48:02.62   1.7   82.5  21                                   RND 
 IL1  eP      04:48:03.39  -0.3   84.0  20                                   IL1 
 TIXI eP      04:48:03.96   0.1   84.1 350 b:7.4+0 1.5 4.6                   TIXI
 DOT  eP      04:48:05.21  -0.1   84.3  22 b:1.4+1 .88 5.1                   DOT 
 EGAK eP      04:48:13.92   0.2   86.0  21 b:6.0+0 .95 4.8                   EGAK
 DAWY eP      04:48:15.96   0.8   86.3  22 b:1.4+1 1.5 5.0                   DAWY
 NV01 eP      04:48:29.10   0.1   89.0  51                                   NV01
 MK01 eP      04:48:30.78   0.3   89.4 318                                   MK01
 WVOR eP      04:48:32.22   0.2   89.7  47 b:9.2+0 1.3 4.9                   WVOR
 MKAR epP     04:48:38.35  -4.6X  89.4 318                                   MKAR
 SHPR eP      04:48:38.65   0.2   91.0  53 b:4.1+0 1.0 4.8                   SHPR
 DAC  epP     04:48:42.48   1.1   89.1  53                                   DAC 
 HLID eP      04:48:46.98  -0.2   92.9  47 b:3.7+0 1.0 4.8                   HLID



 Generated 2011 MAY 21 at 05:01 UTC

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