[rCMT] Mw=6.0 ANDREANOF ISLANDS, ALEUTIAN IS.

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Wed Oct 31 14:17:49 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007jdbd ANDREANOF ISLANDS, ALEUTI                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  COR INCN KIP MAJO TIXI TLY YAK YSS                                                                 
Origin time: 2007  304  13  44  23
Original location (lat,lon,depth) :      51.5000   -178.400  53   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.149494 Mtt :     -0.119691
Mff :     -0.029803 Mrt :     -0.003902
Mrf :      0.005603 Mtf :     -0.030320
T-axis:  moment=     0.150   plunge=    87.772  azimuth=   241.868    
N-axis:  moment=    -0.021   plunge=     2.185  azimuth=    73.040    
P-axis:  moment=    -0.129   plunge=     0.431  azimuth=   343.024    
best double couple: Mo=    0.139(x1.e26 dyncm)  Mw=6.0  tau=  2.9     
nodal planes (strike/dip/slip):   70.82/ 44.61/ 86.89     255.19/ 45.47/ 93.07  
Centroid location :   51.318  -177.758    53.926
Centroid time :     -0.321
Variance reduction (%) :  19
 
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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    0    0    0    0    0    0    1    1    1    0    0            
t-comp:     0    1    0    1    0    0    0    2    1    1    0    0            
Total number of traces used =  16  
number of runs = 1
starttime = Wed Oct 31 08:16:17 MDT 2007
endtime = Wed Oct 31 08:17:46 MDT 2007
inversion time = Wed Oct 31 08:17:40 MDT 2007 - Wed Oct 31 08:17:46 MDT 2007
Solution produced by inversion of channels with var red > 2%



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