[rCMT] Mw=6.4 VANUATU

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Wed Apr 25 14:21:10 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007bpax VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO INCN KIP MAJO PET TAU YSS                                                                
Origin time: 2007  115  13  34  16
Original location (lat,lon,depth) :     -14.3000    166.800  69   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.331286 Mtt :     -0.157521
Mff :     -0.173766 Mrt :     -0.235927
Mrf :      0.040571 Mtf :      0.210930
T-axis:  moment=     0.430   plunge=    66.259  azimuth=   169.032    
N-axis:  moment=    -0.001   plunge=    17.963  azimuth=   306.520    
P-axis:  moment=    -0.429   plunge=    14.998  azimuth=    41.503    
best double couple: Mo=    0.429(x1.e26 dyncm)  Mw=6.4  tau=  4.2     
nodal planes (strike/dip/slip):  155.40/ 33.87/123.59     296.74/ 62.34/ 69.62  
Centroid location :  -13.874   166.654    57.813
Centroid time :      2.249
Variance reduction (%) :  56
 
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         ** oo                     P  **    
        *oooooooooooo                   *   
       * --o--------oooooo               *  
      ** --o-------------ooooo           ** 
      *  --o-----------------ooo          * 
     **  --o--------------------ooo       **
     **   -o------------+---------ooo     **
     **   -oo-----------------------oo-   **
      *    -oo------------------------oo- * 
      **    -o-----------T-------------oo** 
       *     -oo------------------------o*  
        *     -oo-----------------------*   
         **    -ooo-------------------**    
          **    --ooo----------------**     
            ***   --ooooo---------***       
               **** ----oooooo****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    0    3    1    0    1    0    2            
r-comp:     0    0    0    0    1    0    3    0    0    0    0    1            
t-comp:     0    0    0    0    1    0    3    1    0    1    0    1            
Total number of traces used =  20  
number of runs = 9
starttime = Wed Apr 25 08:01:18 MDT 2007
endtime = Wed Apr 25 08:21:08 MDT 2007
inversion time = Wed Apr 25 08:21:01 MDT 2007 - Wed Apr 25 08:21:08 MDT 2007
Solution produced by inversion of channels with var red > 2%



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