Phase Data

Explanation of Parameters


      6 FEB 2013  ( 37)

     ot  = 22:07:39.22   +/-   1.47              SANTA CRUZ ISLANDS              
     lat =     -12.154   +/-   10.3
     lon =     165.995   +/-   14.8              MAGNITUDE 4.9 (GS)       
     dep =        10.0   +/-    3.3   

     160 km (99 miles) S of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     394 km (245 miles) NNW of Luganville, Espiritu Santo, Vanuatu
     726 km (451 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2171 km (1348 miles) NE of BRISBANE, Queensland, Australia

     nph =   25 of  37    se = 0.73    FE=184                            A   

     error ellipse = ( 84.0,  0.0, 22.9;175.0, 13.0, 16.1;351.0, 76.0,  3.3)

 mb = 4.9 ( 18)  ML = 4.9 (  2)  mblg = 3.9 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 HNR  ePn     22:09:17.22   1.9    6.5 294 L:6.5-1 1.3 4.9  g:2.1-1 1.1 4.0  HNR 
      eSn     22:10:26.95  S res =  -3.0 
 DZM  ePn     22:10:04.49   3.1    9.9 178                                   DZM 
 ONTNCePn     22:10:07.44   2.9   10.1 178                                   ONTN
 MSVF ePn     22:10:48.80   5.9   12.9 117                                   MSVF
 CTAO eP      22:12:16.10  -1.8   20.5 245 b:3.1+1 .95 4.6                   CTAO
 STKA eP      22:13:48.72   2.1   29.8 225 b:1.5+0 .95 3.8                   STKA
 LTZ  eP      22:13:56.21  -0.7   31.0 171 b:1.9+1 1.1 4.9                   LTZ 
 WB2  eP      22:13:59.87  -0.3   31.3 252                                   WB2 
      eP      22:14:00.32   0.1 
      ePcP    22:16:54.27   0.0 
 WRAB eP      22:14:00.39   0.3   31.3 252 b:5.5+0 .90 4.5                   WRAB
 AS01 eP      22:14:09.54  -0.8   32.5 245                                   AS01
      ePcP    22:16:56.69  -0.7 
 AS31 eP      22:14:10.45  -0.2   32.5 245 b:1.4+0 .75 4.0                   AS31
 MBWA eP      22:15:57.42   1.5   45.1 252 b:1.3+1 .95 4.8                   MBWA
 ENH  eP      22:18:43.88   0.0   68.8 309 b:2.6+1 .70 5.5                   ENH 
 XAN  eP      22:18:59.49   1.8   71.0 313 b:4.0+0 .75 4.6                   XAN 
 HIA  eP      22:19:11.35  -0.4   73.5 330 b:2.0+1 1.1 5.1                   HIA 
 QSPA eP      22:19:36.92  -0.1   77.9 180 b:2.7+1 1.1 5.3                   QSPA
 ULN  eP      22:19:45.44   0.0   79.3 324 b:1.7+1 .90 5.1                   ULN 
 SONA1eP      22:19:47.13  -0.2   79.7 324                                   SONA
 TLY  eP      22:20:05.21  -0.3   83.2 326 b:2.7+1 .80 5.5                   TLY 
 HDA  eP      22:20:10.58   0.0   84.2  19 b:4.4+0 .96 4.7                   HDA 
 ILB  eP      22:20:11.42  -0.5   84.5  18                                   ILB 
 WMQ  eP      22:20:39.65   0.3X  90.0 315 b:1.8+2 .90 6.3                   WMQ 
 ZALV eP      22:20:58.12  -2.0X  94.6 324                                   ZALV
 ZAA0 eP      22:20:58.67  -1.4X  94.6 324 b:6.3+0 .90 5.0                   ZAA0
 MK31 eP      22:20:58.95  -0.9X  94.5 317                                   MK31
 MKAR eP      22:20:58.95  -0.9X  94.5 317 b:7.1+1 .95 6.0                   MKAR
 MK01 eP      22:20:59.22  -0.6X  94.5 317                                   MK01
 MAKZ eP      22:21:00.49  -0.4X  94.7 317 b:1.2+1 1.0 5.3                   MAKZ
 M54A ePKPdf  22:26:24.22   1.2X 116.2  50                                   M54A
 SSPA ePKPdf  22:26:25.04  -0.8X 117.6  51                                   SSPA
 SDMD ePKPdf  22:26:27.44  -0.3X 118.6  52                                   SDMD
 TOA0 ePKPdf  22:27:42.95  -1.5X 164.7 275                                   TOA0
 319A eS      22:31:49.00  -0.5X  91.8  59                                   319A



 Generated 2013 FEB  6 at 23:00 UTC

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