[rCMT] Mw=5.7 SANTA CRUZ ISLANDS

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sat Nov 10 16:56:52 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007jna2 SANTA CRUZ ISLANDS                                
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO INCN KIP MAJO PET TAU YSS                                                                 
Origin time: 2007  314  16  11  26
Original location (lat,lon,depth) :     -11.6000    166.300  57   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.044467 Mtt :     -0.016260
Mff :     -0.028207 Mrt :     -0.004778
Mrf :      0.011274 Mtf :      0.014120
T-axis:  moment=     0.046   plunge=    81.490  azimuth=   252.855    
N-axis:  moment=    -0.007   plunge=     2.288  azimuth=   147.368    
P-axis:  moment=    -0.039   plunge=     8.192  azimuth=    57.038    
best double couple: Mo=    0.043(x1.e26 dyncm)  Mw=5.7  tau=  1.9     
nodal planes (strike/dip/slip):  329.08/ 53.23/ 92.86     144.31/ 36.86/ 86.18  
Centroid location :  -10.791   166.532    72.510
Centroid time :     -4.231
Variance reduction (%) :   3
 
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         **oo-----------ooo           **    
        *--o--------------ooo         P *   
       * -oo----------------ooo          *  
      ** -o-------------------oo         ** 
      *  -oo-------------------oo         * 
     **  --o--------------------oo        **
     **  --o----------T-+--------o-       **
     **   --o---------------------o       **
      *    -oo--------------------oo      * 
      **    -oo--------------------o     ** 
       *     -ooo------------------o     *  
        *     --oo-----------------o    *   
         **     --ooo--------------o  **    
          **      --oooo----------oo **     
            ***      --ooooooooooo***       
               ****           ****o         
                   ***********              
 
          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    1    0    1    0    1            
t-comp:     0    0    0    0    1    0    3    1    0    1    0    1            
Total number of traces used =  22  
number of runs = 3
starttime = Sat Nov 10 09:50:05 MST 2007
endtime = Sat Nov 10 09:56:39 MST 2007
inversion time = Sat Nov 10 09:56:30 MST 2007 - Sat Nov 10 09:56:38 MST 2007
Solution produced by inversion of all available channels



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