Phase Data

Explanation of Parameters


     18 FEB 2013  ( 49)

     ot  = 10:24:28.79   +/-   2.69              SANTA CRUZ ISLANDS              
     lat =     -11.624   +/-   10.2
     lon =     166.602   +/-   12.6              MAGNITUDE 4.7 (GS)       
     dep =        35.4   +/-    5.8   

     131 km (81 miles) SE of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     436 km (271 miles) N of Luganville, Espiritu Santo, Vanuatu
     767 km (476 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2257 km (1402 miles) NE of BRISBANE, Queensland, Australia

     nph =   31 of  31    se = 1.33    FE=184                            A   

     error ellipse = (107.0, 12.0, 20.6; 10.0, 27.0, 16.5;218.0, 59.0,  1.1)

 mb = 4.7 ( 22)  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     10:26:09.92   2.5    6.9 288                                   HNR 
      eSn     10:27:26.23  S res =   1.5 
 MARNCePn     10:26:51.58   3.0    9.9 172                                   MARN
 DZM  ePn     10:26:57.51   2.0   10.4 181                                   DZM 
 OUENCePn     10:27:03.29   3.2   10.7 179                                   OUEN
 PINNCePn     10:27:06.28   3.1   11.0 176                                   PINN
 EIDS eP      10:29:00.78   1.7   20.1 225 b:6.3+0 .65 4.1                   EIDS
 CTAO eP      10:29:12.49   0.0   21.3 244 b:2.1+1 .70 4.6                   CTAO
 MANU eP      10:29:14.78   1.9   21.3 295 b:3.0+1 .60 4.9                   MANU
 COEN eP      10:29:29.68  -0.7   23.0 262 b:2.0+1 .85 4.6                   COEN
 ARMA eP      10:29:35.43   1.5   23.3 214 b:1.6+1 .75 4.6                   ARMA
 OUZ  eP      10:29:44.88   1.6   24.3 166 b:6.0+0 .68 4.3                   OUZ 
 HIZ  eP      10:30:15.60   1.2   27.8 166 b:2.4+1 1.0 4.8                   HIZ 
 BKZ  eP      10:30:23.46  -0.2   28.8 164 b:5.8+0 .94 4.3                   BKZ 
 BFZ  eP      10:30:34.62  -1.0   30.2 165 b:9.4+0 .76 4.7                   BFZ 
 THZ  eP      10:30:38.66  -0.2   30.5 171 b:1.3+1 .90 4.7                   THZ 
 STKA eP      10:30:39.69   0.0   30.6 225 b:1.9+0 .75 4.0                   STKA
 LTZ  eP      10:30:46.27  -0.5   31.4 172 b:1.7+1 .72 5.0                   LTZ 
 WB2  eP      10:30:50.17  -2.5   32.1 251                                   WB2 
 OXZ  eP      10:30:50.86  -0.3   31.9 173 b:1.4+1 .70 5.0                   OXZ 
 WRAB eP      10:30:50.94  -1.7   32.1 251 b:6.6+0 .60 4.7                   WRAB
 RPZ  eP      10:30:53.85   0.3   32.2 174 b:2.0+1 .94 5.0                   RPZ 
 AS31 eP      10:31:01.36  -2.0   33.3 244 b:1.8+0 .70 4.1                   AS31
 MTN  eP      10:31:14.82  -0.5   34.7 264 b:7.7+0 .55 4.8                   MTN 
 FITZ eP      10:31:59.73  -1.2   40.0 256 b:1.7+1 .75 4.9                   FITZ
 CM01 eP      10:35:56.74   0.7   73.1 293                                   CM01
 CHTO eP      10:35:57.61   0.8   73.2 294 b:8.8+0 .60 4.9                   CHTO
 CM31 eP      10:35:57.65   1.5   73.1 293                                   CM31
 MK01 eP      10:37:45.15  -0.5   94.5 317                                   MK01
 MK31 eP      10:37:45.32  -0.3   94.5 317                                   MK31
 MKAR eP      10:37:45.32  -0.3   94.5 317 b:2.4+1 .55 5.8                   MKAR



 Generated 2013 FEB 18 at 10:41 UTC

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