Phase Data

Explanation of Parameters


      7 FEB 2013  ( 38)

     ot  = 21:56:24.48   +/-   1.09              SANTA CRUZ ISLANDS              
     lat =     -10.893   +/-   14.2
     lon =     165.602   +/-   14.6              MAGNITUDE 4.8 (GS)       
     dep =        10.0   +/-    3.0   

     32 km (20 miles) SW of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     406 km (252 miles) E of Kira Kira, San Cristobal, Solomon Isl.
     639 km (397 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2260 km (1403 miles) NE of BRISBANE, Queensland, Australia

     nph =   23 of  24    se = 0.54    FE=184                            A   

     error ellipse = ( 49.0,  1.0, 24.5;139.0,  1.0, 19.7;281.0, 88.0,  4.5)

 mb = 4.8 ( 11)  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     21:57:49.06  -0.9    5.8 284                                   HNR 
 MARNCePn     21:58:58.93  -0.1   10.8 168                                   MARN
 DZM  ePn     21:59:03.82  -0.3   11.2 176                                   DZM 
 MSVF ePn     21:59:42.22   1.1   13.9 121                                   MSVF
 MANU eP      22:01:01.35   2.5   20.1 295 b:1.4+2 1.1 5.2                   MANU
 CTAO ee      22:01:08.08   0.0X  20.8 242 b:3.8+1 1.1 4.7                   CTAO
 COEN eP      22:01:20.30   0.0   22.1 260 b:4.1+1 1.1 4.8                   COEN
 ARMA eP      22:01:33.22  -0.4   23.4 212 b:1.7+1 .95 4.6                   ARMA
 BKZ  eP      22:02:31.52   0.0   29.8 163 b:7.5+0 .54 4.7                   BKZ 
 STKA eP      22:02:38.47   1.0   30.5 223 b:1.2+0 .85 3.8                   STKA
 WB2  eP      22:02:46.02   0.1   31.4 250                                   WB2 
      eP      22:02:46.52   0.6 
 WRAB eP      22:02:46.44   0.6   31.4 250 b:2.0+1 1.0 5.0                   WRAB
 LTZ  eP      22:02:54.49   0.9   32.3 171 b:1.3+1 .78 4.9                   LTZ 
 AS01 eP      22:02:55.54  -1.8   32.7 243                                   AS01
      ePcP    22:05:43.19   0.0 
 CM01 eP      22:07:50.19   1.8   71.9 294                                   CM01
 IM3  eP      22:08:45.77  -0.2   82.3  16                                   IM3 
 MDM  eP      22:08:50.00  -0.3   83.1  18 b:2.7+0 .72 4.6                   MDM 
 HDA  eP      22:08:50.31  -0.1   83.2  19 b:9.5+0 .76 5.1                   HDA 
 IL1  eP      22:08:51.74   0.0   83.4  19                                   IL1 
 ILB  eP      22:08:51.92   0.2   83.4  19                                   ILB 
 ZALV eP      22:09:38.94  -0.7   93.4 324                                   ZALV
 MK01 eP      22:09:39.53  -0.2   93.3 317                                   MK01



 Generated 2013 FEB  7 at 22:34 UTC

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