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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     27 APR 2009  (117)

     ot  = 15:39:47.92   +/-   2.16              SOUTHEAST OF LOYALTY ISLANDS    
     lat =     -22.422   +/-   16.2
     lon =     171.251   +/-   14.6              MAGNITUDE 4.5 (GS)       
     dep =        81.2   +/-   26.3   

     80 km (50 miles) W of Ile Hunter, Loyalty Isl., New Caledonia (pop N/A)
     350 km (220 miles) WSW of Ceva-i-Ra, Fiji
     495 km (305 miles) E of NOUMEA, New Caledonia
     1635 km (1020 miles) NNW of Auckland, New Zealand

     nph =   10 of  10    se = 0.79    FE=189                            B   

     error ellipse = ( 61.9, 64.4, 45.2;155.6,  1.8, 25.4;246.5, 25.6, 12.8)

 mb = 4.5 (  7)  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
 MSVF eP      15:41:40.36   0.0    7.9  55 d:8.6+1     6.1X L:1.5-1 1.3 4.6X MSVF
                                           g:2.2-1 1.3 4.0X b:2.2+2 1.3 5.7X
 CTAO eP      15:44:50.20   0.4   23.4 271 b:1.9+1 .92 4.5                   CTAO
 PMG  eP      15:45:17.65  -0.1   26.5 295 g:1.1-2 .70 3.8X b:1.1+1 .70 4.5  PMG 
 STKA qP      15:45:31.71   1.0   27.9 244                                   STKA
 AS31 eP      15:46:26.47  -0.5   34.3 261                                   AS31
 WRAB eP      15:46:26.85  -1.2   34.4 267 b:3.4+0 .34 4.7                   WRAB
 SBA  eP      15:49:13.94  -0.2   55.5 181 b:4.5+0 1.0 4.4                   SBA 
 KKM  eP      15:49:52.66   0.5   60.8 291 b:1.2+1 .60 5.2                   KKM 
 CHTO eP      15:51:58.46   0.7   81.7 294 b:4.9+0 1.0 4.4                   CHTO
 ULN  eP      15:52:40.44  -0.5   90.5 323 b:1.9+0 .90 4.3                   ULN 



 Generated 2009 APR 27 at 16:28 UTC

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


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