[rCMT] Mw=6.4 WEST CHILE RISE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Thu Nov 29 04:13:10 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007khah WEST CHILE RISE                                   
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  LVC NNA OTAV PMSA SDV SJG TUC                                                                      
Origin time: 2007  333   3  26  22
Original location (lat,lon,depth) :     -37.0000   -97.6000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.109825 Mtt :     -0.071777
Mff :      0.181602 Mrt :     -0.134826
Mrf :     -0.276908 Mtf :     -0.399713
T-axis:  moment=     0.513   plunge=    14.917  azimuth=    58.538    
N-axis:  moment=     0.031   plunge=    52.718  azimuth=   169.021    
P-axis:  moment=    -0.544   plunge=    33.252  azimuth=   318.479    
best double couple: Mo=    0.528(x1.e26 dyncm)  Mw=6.4  tau=  4.5     
nodal planes (strike/dip/slip):    5.05/ 78.13/-35.60     103.43/ 55.27/-165.51 
Centroid location :  -36.128   -97.817    22.867
Centroid time :     23.451
Variance reduction (%) :  46
 
                   ***********              
               ****       o --****          
            ***           oo------***       
          **               o---------**     
         **                o----------**    
        *       P          o------------*   
       *                   o----------T--*  
      **                   o-------------** 
      *o                   o--------------* 
     **oo                  o--------------**
     ** ooo             +  o--------------**
     **-  ooo             oo--------------**
      *---- ooo           o---------------* 
      **-------oooo      -o------------oo** 
       *-----------ooooooooo----oooooooo-*  
        *----------------ooooooo------  *   
         **--------------o---         **    
          **------------oo-          **     
            ***---------o-        ***       
               ****----o-     ****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    1    2    1    1    0    0    0    0    0            
r-comp:     1    0    0    1    2    1    1    0    0    0    0    0            
t-comp:     1    0    0    1    3    1    1    0    0    0    0    0            
Total number of traces used =  19  
number of runs = 7
starttime = Wed Nov 28 20:54:12 MST 2007
endtime = Wed Nov 28 21:13:06 MST 2007
inversion time = Wed Nov 28 21:12:55 MST 2007 - Wed Nov 28 21:13:06 MST 2007
Solution produced by inversion of channels with var red > 2%



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