[rCMT] Mw=6.4 VANUATU

USGS research CMT researchcmt at geohazards.usgs.gov
Fri Nov 7 08:06:42 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008zcai VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO INCN KIP MAJO PMG TAU                                                                    
Origin time: 2008  312   7  19  39
Original location (lat,lon,depth) :     -14.9000    168.000  35   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.438372 Mtt :      0.002143
Mff :     -0.440514 Mrt :      0.065314
Mrf :      0.313282 Mtf :      0.025083
T-axis:  moment=     0.548   plunge=    70.835  azimuth=   292.765    
N-axis:  moment=    -0.007   plunge=     7.080  azimuth=   181.828    
P-axis:  moment=    -0.541   plunge=    17.715  azimuth=    89.555    
best double couple: Mo=    0.544(x1.e26 dyncm)  Mw=6.4  tau=  4.5     
nodal planes (strike/dip/slip):    5.44/ 63.08/ 97.95     168.31/ 27.98/ 74.77  
Centroid location :  -14.560   168.179    22.879
Centroid time :      1.160
Variance reduction (%) :  54
 
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        *---o-----------------o         *   
       * --oo-----------------o          *  
      ** --o------------------o          ** 
      * --oo------------------o           * 
     ** --o---------T---------o           **
     **  -oo------------+-----o        P  **
     **  --o------------------o           **
      *  --o-----------------oo           * 
      **  -oo----------------o           ** 
       *  --oo---------------o           *  
        *  --oo-------------o           *   
         ** --oo-----------oo         **    
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            ***--oooo----oo       ***       
               ****-oooooo-   ****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    0    1    1    1    1    0    2            
r-comp:     0    0    0    0    0    0    1    1    1    1    0    1            
t-comp:     0    0    0    0    1    0    0    0    1    1    0    1            
Total number of traces used =  16  
number of runs = 6
starttime = Fri Nov 7 00:52:23 MST 2008
endtime = Fri Nov 7 01:06:40 MST 2008
inversion time = Fri Nov 7 01:06:36 MST 2008 - Fri Nov 7 01:06:39 MST 2008
Solution produced by inversion of channels with var red > 2%


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