[rCMT] Mw=5.8 ANTOFAGASTA, CHILE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Thu Dec 27 00:27:07 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007lja8 ANTOFAGASTA, CHILE                                
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : HKT OTAV RPN SDV SJG TUC WCI                                                                        
Origin time: 2007  360  23  40  52
Original location (lat,lon,depth) :     -22.3000   -68.3000  97   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.003767 Mtt :      0.052140
Mff :     -0.055907 Mrt :      0.001765
Mrf :     -0.003105 Mtf :     -0.011506
T-axis:  moment=     0.053   plunge=     2.402  azimuth=     6.075    
N-axis:  moment=     0.004   plunge=    86.366  azimuth=   137.413    
P-axis:  moment=    -0.057   plunge=     2.725  azimuth=   275.960    
best double couple: Mo=    0.055(x1.e26 dyncm)  Mw=5.8  tau=  2.1     
nodal planes (strike/dip/slip):   51.02/ 86.37/-179.77     321.01/ 89.77/ -3.63 
Centroid location :  -21.690   -69.012   159.696
Centroid time :      5.389
Variance reduction (%) :   0
 
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        *        -------------------o   *   
       *          ---------------ooo     *  
      **            -----------oo        ** 
      *              o-------ooo          * 
     *P              -oo--oooo            **
     **               -o+oo--             **
     **              -ooooo-              **
      *             ooo-----o             * 
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       *       oo--------------          *  
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          **-----------------------  **     
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                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    0    1    4    1    0    1    0    0            
r-comp:     0    0    0    0    0    1    4    1    0    1    0    0            
t-comp:     0    0    0    0    0    1    4    1    0    1    0    0            
Total number of traces used =  21  
number of runs = 11
starttime = Wed Dec 26 16:56:33 MST 2007
endtime = Wed Dec 26 17:26:44 MST 2007
inversion time = Wed Dec 26 17:26:28 MST 2007 - Wed Dec 26 17:26:42 MST 2007
Solution produced by inversion of all available channels



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