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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     10 APR 2009  (100)

     ot  = 13:21:52.40   +/-   1.92              SOLOMON ISLANDS                 
     lat =      -8.876   +/-    7.0
     lon =     159.609   +/-    7.5              MAGNITUDE 4.9 (GS)       
     dep =       125.8   +/-    3.9   

     75 km (45 miles) NNW of HONIARA, Guadalcanal, Solomon Islands (pop 50,000)
     110 km (70 miles) SE of Dadali, Santa Isabel, Solomon Islands (pop N/A)
     120 km (75 miles) W of Auki, Malaita, Solomon Islands (pop 3,000)
     2175 km (1350 miles) NNE of BRISBANE, Queensland, Australia

     nph =   40 of  40    se = 0.95    FE=193                            A   

     error ellipse = (306.0,  5.0, 12.5;215.0, 10.0,  9.7; 64.0, 78.0,  5.6)

 mb = 4.9 ( 38)  ML = 3.1 (  4)  mblg = 0.0 (  0)  md = 4.4 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 HNR  ePn     13:22:09.25  -2.7    0.7 149 d:3.1+2     4.4  L:8.7-1 .45 2.7  HNR 
 COEN ePn     13:25:44.88   3.7   16.9 251 b:1.4+2 1.0 5.2                   COEN
 CTAO ePn     13:25:46.44   3.1   17.1 227 b:5.2+1 1.3 4.7                   CTAO
 EIDS ePn     13:25:58.81   0.6   18.3 205 b:3.1+1 .95 4.6                   EIDS
 ARMA eP      13:26:43.42  -0.3   22.7 198                                   ARMA
 BBOO eP      13:28:08.42  -0.8   32.3 219 b:3.5+2 .70 6.3                   BBOO
 MBWA eP      13:29:16.81  -0.6   40.3 247 b:1.8+1 1.0 4.8                   MBWA
 NACB eP      13:30:30.86   0.1   49.6 312 b:3.9+1 .80 5.3                   NACB
 JNU  eP      13:30:32.69  -0.8   50.0 328 b:4.8+0 .90 4.4                   JNU 
 SSLB eP      13:30:32.85   0.2   49.8 311 b:3.3+1 .80 5.3                   SSLB
 KSM  epP     13:31:04.55  -0.5   50.2 279                                   KSM 
 INCN eP      13:31:14.97   0.7   55.5 328 b:2.6+1 .80 5.2                   INCN
 CHTO eP      13:32:24.27  -0.5   65.9 295 b:1.1+1 1.1 4.7                   CHTO
 SBA  eP      13:32:44.15   0.1   69.0 178 b:2.4+2 2.8 5.5                   SBA 
 ULN  eP      13:33:09.57   0.7   73.1 326 b:3.5+1 1.0 5.1                   ULN 
      epP     13:33:40.22  depth =   0.0 
 TLY  eP      13:33:31.93   0.5   77.1 328 b:2.5+1 .80 5.0                   TLY 
 QSPA eP      13:33:51.82  -1.7   81.1 180 b:1.1+1 .80 4.7                   QSPA
 TIXI eP      13:34:01.38  -1.0   82.9 350 b:1.0+1 1.1 4.6                   TIXI
      epP     13:34:35.77  depth =   1.4 
 COLA eP      13:34:03.15  -1.1   83.2  19 b:2.1+1 .85 5.0                   COLA
 DOT  eP      13:34:07.34  -0.2   83.9  21 b:1.5+1 .88 4.9                   DOT 
 COLD eP      13:34:08.39   0.3   84.0  17 b:3.9+1 2.4 4.8                   COLD
 MKAR eP      13:34:26.90  -0.7   87.9 317                                   MKAR
      epP     13:34:56.30  depth =  -3.7 
 MWC  eP      13:34:32.15   0.2   88.7  55 b:2.8+1 1.3 5.2                   MWC 
 BAR  eP      13:34:36.03   0.3   89.6  56 b:1.6+1 1.2 4.9                   BAR 
 PFO  eP      13:34:37.76   0.3   89.9  56                                   PFO 
 GSC  eP      13:34:37.86   0.3   89.9  54 b:6.1+0 1.0 4.6                   GSC 
 KURK eP      13:34:41.44  -1.5   91.2 321                                   KURK
 BMO  eP      13:34:43.68  -0.4   91.4  44 b:1.2+1 1.5 4.8                   BMO 
 LDFC eP      13:34:44.38   0.8   91.2  54 b:2.5+1 1.1 5.3                   LDFC
 MFID eP      13:34:48.15   0.4   92.2  46 b:1.6+1 1.7 5.0                   MFID
 CCUT eP      13:34:53.04   0.9   93.1  52 b:3.5+0 .98 4.6                   CCUT
 HLID eP      13:34:53.07   0.4   93.2  46 b:1.0+1 1.4 4.9                   HLID
 HVU  eP      13:34:57.83   0.9   94.1  48 b:8.1+0 .96 5.0                   HVU 
 MOOW eP      13:35:05.36   0.5   95.9  46 b:4.8+0 1.5 4.7                   MOOW
 BRVK eP      13:35:06.46  -1.5   96.6 322 b:5.1+0 .90 5.0                   BRVK
 BW06 eP      13:35:07.74  -0.6   96.6  47 b:2.7+0 .90 4.7                   BW06
 GDL2 ePdif   13:35:15.64  -7.1   99.8  58                                   GDL2



 Generated 2009 APR 10 at 13:47 UTC

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


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