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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     10 AUG 2009  (222)

     ot  = 05:28:16.69   +/-   0.33              SANTA CRUZ ISLANDS              
     lat =     -11.485   +/-    7.5
     lon =     166.151   +/-    6.7              MAGNITUDE 5.0 (GS)       
     dep =        45.6  (depth phases)

     90 km (55 miles) SSE of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     460 km (285 miles) NNW of Luganville, Espiritu Santo, Vanuatu
     715 km (445 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2235 km (1390 miles) NE of BRISBANE, Queensland, Australia

     nph =   38 of  47    se = 1.18    FE=184                            A   

     error ellipse = (153.3,  0.0, 10.2; 63.3,  0.0,  8.4;  0.0,  0.0,  0.0)

 mb = 5.0 ( 20)  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     05:29:48.14  -0.8    6.4 288 L:8.6-1 1.7 5.1X                  HNR 
      eSn     05:31:05.36  S res =   4.2X
 MSVF ePn     05:31:22.31   2.3   13.1 120                                   MSVF
      eSn     05:33:45.77  S res =   1.5X
 TARA ePn     05:31:40.05   1.8   14.4  28                                   TARA
 CTAO ePn     05:32:58.20   2.2   21.0 243 b:6.2+2 2.9 5.4                   CTAO
 AFI  eP      05:33:04.86   1.1   21.7  99 b:5.2+1 .90 4.9                   AFI 
 STKA eP      05:34:25.76   1.1   30.4 224 b:6.0+0 .75 4.4                   STKA
 WRAB P       05:34:36.22  -0.1   31.7 251 b:1.4+1 .80 4.8                   WRAB
 RPZ  eP      05:34:41.22  -0.9   32.4 173 b:3.3+1 .66 5.3                   RPZ 
 MBWA eP      05:36:32.36   0.9   45.4 252 b:4.1+1 .85 5.3                   MBWA
      epP     05:36:44.70  depth =  44.8 
 KKM  eP      05:37:27.85   1.0   52.6 287 b:5.5+1 .90 5.6                   KKM 
 JNU  eP      05:37:48.49   0.0   55.7 324 b:1.2+2 2.6 5.4                   JNU 
 ASAJ eP      05:38:13.93  -0.1   59.3 340                                   ASAJ
 FX1  eP      05:38:47.55  -0.3   64.4   5                                   FX1 
 VNDA eP      05:38:56.77  -1.6   66.1 181 b:4.0+1 1.7 5.2                   VNDA
 CASY eP      05:38:57.48  -1.4   66.1 201 b:1.4+1 .80 5.1                   CASY
      epP     05:39:09.96  depth =  42.7 
 SBA  eP      05:39:00.10  -0.2   66.4 180 b:1.3+1 1.0 4.9                   SBA 
 IPM  eP      05:39:04.63   0.9   66.7 280 b:3.8+1 1.1 5.4                   IPM 
      epP     05:39:16.64  depth =  40.6 
 CHTO eP      05:39:41.75   0.9   72.8 294 b:1.5+1 .90 4.9                   CHTO
 QSPA eP      05:40:11.32  -1.8   78.5 180 b:2.6+1 .80 5.3                   QSPA
 ULN  eP      05:40:15.72   0.3   78.9 324 b:1.7+1 .90 5.0                   ULN 
 RSO  eP      05:40:16.19   1.5   78.8  19                                   RSO 
 COLA eP      05:40:38.06  -1.6   83.6  18                                   COLA
      epP     05:40:53.63  depth =  54.5 
 MENT P       05:40:38.74  -1.1   83.6  21                                   MENT
 KIPM         05:40:44.00   8.2X  82.7  47                                   KIPM
 BEKR P       05:40:47.36  -0.1   84.9  48 b:1.7+0 .63 4.4                   BEKR
 EGAK P       05:40:48.74  -1.4   85.7  20 b:8.3+0 .73 5.0                   EGAK
 DAWY P       05:40:50.07  -1.0   85.8  21                                   DAWY
 MTUM eP      05:40:50.74   0.6   85.5  51                                   MTUM
 MFID eP      05:41:08.80   0.6   89.3  45                                   MFID
      P       05:41:09.75   1.5X
 CCUT eP      05:41:09.58   0.0   89.5  52                                   CCUT
 NEW  eP      05:41:10.87   0.3   89.8  41                                   NEW 
 HLID P       05:41:11.95  -1.2   90.3  46 b:1.8+0 .63 4.6                   HLID
 TUC  eP      05:41:13.71   0.5   90.3  57                                   TUC 
 MSU  eP      05:41:14.76  -0.2   90.6  51                                   MSU 
 BSMT eP      05:41:15.87  -1.4   91.2  41                                   BSMT
 SLMT         05:41:18.52  -1.9   91.9  42                                   SLMT
 DLMT eP      05:41:20.09  -0.9   92.0  44                                   DLMT
 MCMT P       05:41:20.83   1.1   91.7  45 b:7.4-1 .64 4.3                   MCMT
 HRY  eP      05:41:25.83   1.0   92.9  43                                   HRY 
 KKAR P       05:42:04.77  -0.6X 101.8 312 b:1.0+0 .70 4.6                   KKAR



 Generated 2009 AUG 10 at 05:50 UTC

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


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