Phase Data

Explanation of Parameters


      7 FEB 2013  ( 38)

     ot  = 19:43:11.34   +/-   2.27              SANTA CRUZ ISLANDS              
     lat =     -10.948   +/-   10.6
     lon =     165.734   +/-   14.5              MAGNITUDE 4.8 (GS)       
     dep =        10.0   +/-    1.9   

     28 km (17 miles) SSW of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     421 km (261 miles) E of Kira Kira, San Cristobal, Solomon Isl.
     655 km (407 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2263 km (1405 miles) NE of BRISBANE, Queensland, Australia

     nph =   32 of  34    se = 1.12    FE=184                            A   

     error ellipse = (102.0,  0.0, 22.5;192.0,  0.0, 15.9;346.0, 88.0,  2.9)

 mb = 4.8 ( 14)  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
 HNR  ePn     19:44:40.35   1.6    5.9 284                                   HNR 
      ePn     19:44:40.35   1.6 
      eSn     19:45:47.92  S res =   1.5 
 DZM  ePn     19:45:52.26   2.2   11.1 177                                   DZM 
 ONTNCePn     19:45:55.20   2.0   11.3 177                                   ONTN
 MANU eP      19:47:50.11   2.9   20.3 295 b:1.5+2 1.5 5.1                   MANU
 CTA  eP      19:47:54.45   1.0   20.8 242                                   CTA 
 CTAO eP      19:47:55.33   2.0   20.8 242 b:2.9+1 .90 4.6                   CTAO
 ARMA eP      19:48:20.99   0.3   23.4 212 b:6.5+1 1.7 4.9                   ARMA
 WAKE eP      19:49:21.79   1.0   30.0   2 b:2.8+2 1.3 5.9                   WAKE
 STKA eP      19:49:24.63  -0.2   30.5 223 b:1.6+0 .95 3.9                   STKA
 THZ  eP      19:49:31.02  -1.0   31.3 170 b:1.2+1 .66 4.9                   THZ 
 WB2  eP      19:49:33.21  -0.5   31.5 250                                   WB2 
      eP      19:49:34.09   0.4 
 WRAB eP      19:49:33.45  -0.2   31.5 250 b:1.0+1 .90 4.7                   WRAB
 WR1  eP      19:49:33.54  -0.3X  31.5 250 b:1.1+1 .90 4.8                   WR1 
 LTZ  eP      19:49:38.42  -1.4   32.2 171 b:2.0+1 .90 5.0                   LTZ 
 AS01 eP      19:49:44.27  -0.8   32.8 243                                   AS01
 AS31 eP      19:49:44.64  -0.7   32.8 243 b:2.7+0 .95 4.2                   AS31
 RPZ  eP      19:49:46.37   0.0   33.0 173                                   RPZ 
 MAJO eP      19:52:34.21  -0.7   53.9 333                                   MAJO
 SEY  eP      19:54:49.17   0.2   74.4 354                                   SEY 
 SONA0eP      19:55:13.71   0.3   78.6 324                                   SONA
 HDA  eP      19:55:37.07  -0.2   83.2  19 b:8.8+0 .92 4.9                   HDA 
 IL1  eP      19:55:38.48  -0.2   83.4  19                                   IL1 
 NV01 eP      19:55:53.32   0.9   86.0  50                                   NV01
 MKAR eP      19:56:25.95  -1.3   93.4 317 b:8.2+0 .95 5.1                   MKAR
 MK31 eP      19:56:26.22  -1.0   93.4 317 b:5.6+0 1.5 4.8                   MK31
 MK01 eP      19:56:26.58  -0.6   93.4 317                                   MK01
 MK32 eP      19:56:26.67  -0.5X  93.4 317                                   MK32
 ZAA1 eP      19:56:27.09   0.0   93.5 324                                   ZAA1
 ARA0 ePKPdf  20:01:54.82   0.3  116.2 345                                   ARA0
 ESDC ePKPab  20:03:07.87  -0.2  150.0 344                                   ESDC
 TOA1 ePKPdf  20:03:15.37  -0.9  164.2 279                                   TOA1



 Generated 2013 MAR 12 at 16:48 UTC

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