[rCMT] Mw=5.7 SOUTHEAST OF LOYALTY ISLANDS

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Sep 28 02:15:36 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007hvap SOUTHEAST OF LOYALTY ISLA                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO INCN KIP MAJO PMG TAU YSS                                                                 
Origin time: 2007  271   1  25  16
Original location (lat,lon,depth) :     -21.3000    169.500  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.052700 Mtt :     -0.011890
Mff :     -0.040810 Mrt :      0.025142
Mrf :      0.003227 Mtf :     -0.002980
T-axis:  moment=     0.061   plunge=    71.070  azimuth=   356.390    
N-axis:  moment=    -0.020   plunge=    18.362  azimuth=   190.972    
P-axis:  moment=    -0.042   plunge=     4.446  azimuth=    99.493    
best double couple: Mo=    0.051(x1.e26 dyncm)  Mw=5.7  tau=  2.1     
nodal planes (strike/dip/slip):   25.94/ 52.12/113.52     170.60/ 43.64/ 62.84  
Centroid location :  -21.157   168.972    41.049
Centroid time :     14.463
Variance reduction (%) :  -2
 
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      *    ---o---------T---------o--     * 
     **     --o------------------oo-      **
     **     --o---------+--------o--      **
     **      -o-----------------oo-       **
      *       oo---------------oo-        P 
      **       o--------------oo         ** 
       *       oo------------oo          *  
        *       oo  -------ooo          *   
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                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    0    2    1    1    1    1    1            
r-comp:     0    0    0    0    1    0    1    1    1    1    1    0            
t-comp:     0    0    0    0    1    0    1    1    1    1    1    0            
Total number of traces used =  20  
number of runs = 12
starttime = Thu Sep 27 19:42:49 MDT 2007
endtime = Thu Sep 27 20:15:19 MDT 2007
inversion time = Thu Sep 27 20:15:11 MDT 2007 - Thu Sep 27 20:15:18 MDT 2007
Solution produced by inversion of all available channels



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