[rCMT] Mw=6.5 SOUTHWESTERN RYUKYU ISL., JAPAN

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Apr 20 02:16:05 GMT 2007


General region :  2007bjai SOUTHWESTERN RYUKYU ISL.,                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK KURK MA2 PET TLY ULN YAK YSS                                                                   
Origin time: 2007  110   1  45  56
Original location (lat,lon,depth) :      25.7000    125.200  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.150714 Mtt :      0.188806
Mff :     -0.038092 Mrt :     -0.601006
Mrf :      0.123203 Mtf :      0.066853
T-axis:  moment=     0.644   plunge=    37.292  azimuth=   182.270    
N-axis:  moment=    -0.007   plunge=     9.249  azimuth=   279.394    
P-axis:  moment=    -0.638   plunge=    51.183  azimuth=    21.072    
best double couple: Mo=    0.641(x1.e26 dyncm)  Mw=6.5  tau=  4.8     
nodal planes (strike/dip/slip):  100.55/ 82.96/-80.68     227.29/ 11.66/-142.68 
Centroid location :   25.834   125.220    10.000
Centroid time :      3.400
Variance reduction (%) :  46
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    3    1    2    0    0    0    0            
r-comp:     0    0    0    0    1    3    2    2    0    0    0    0            
t-comp:     0    0    0    0    1    1    2    2    0    0    0    0            
Total number of traces used =  21  
number of runs = 3
starttime = Thu Apr 19 20:11:11 MDT 2007
endtime = Thu Apr 19 20:16:04 MDT 2007
inversion time = Thu Apr 19 20:16:01 MDT 2007 - Thu Apr 19 20:16:04 MDT 2007
Solution produced by inversion of channels with var red > 2%



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