[rCMT] Mw=6.9 ANDREANOF ISLANDS, ALEUTIAN IS.

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Thu Aug 16 04:34:35 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007gcbv ANDREANOF ISLANDS, ALEUTI                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : COR INCN KIP MAJO TIXI YAK YSS                                                                      
Origin time: 2007  228   4   3   5
Original location (lat,lon,depth) :      50.3000   -177.600  22   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.192990 Mtt :     -0.136132
Mff :     -0.056858 Mrt :      1.718157
Mrf :     -2.706744 Mtf :     -0.035378
T-axis:  moment=     3.281   plunge=    46.073  azimuth=    57.942    
N-axis:  moment=    -0.145   plunge=     0.373  azimuth=   327.555    
P-axis:  moment=    -3.136   plunge=    43.924  azimuth=   237.195    
best double couple: Mo=    3.208(x1.e26 dyncm)  Mw=6.9  tau=  8.2     
nodal planes (strike/dip/slip):  147.56/ 88.93/ 90.37     308.41/  1.14/ 70.85  
Centroid location :   55.767  -179.239    14.662
Centroid time :     58.314
Variance reduction (%) :  -1
 
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              o****----------o****          
            *** -----------------o***       
          **o    -------------------o**     
         **     o --------------------**    
        *         o--------------------o*   
       *            o-------------------o*  
      **            o-----------T--------** 
      *              oo-------------------* 
     **               oo------------------**
     **                o+-----------------**
     **                 oo----------------**
      *                   oo--------------* 
      **       P           o-------------** 
       *                    o------------*  
        *                    o----------*   
         **                    o------**    
          **                     ----**     
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               ****           ****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    1    0    0    1    1    2    1    0    0            
r-comp:     0    1    0    1    0    0    1    1    2    1    0    0            
t-comp:     0    1    0    1    0    0    1    1    2    1    0    0            
Total number of traces used =  21  
number of runs = 5
starttime = Wed Aug 15 22:23:19 MDT 2007
endtime = Wed Aug 15 22:34:24 MDT 2007
inversion time = Wed Aug 15 22:34:19 MDT 2007 - Wed Aug 15 22:34:24 MDT 2007
Solution produced by inversion of all available channels



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