[rCMT] Mw=6.5 SANTA CRUZ ISLANDS REGION

USGS research CMT researchcmt at geohazards.usgs.gov
Sat Jul 19 10:21:58 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008uraw SANTA CRUZ ISLANDS REGION                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY INCN KIP MAJO PET RPN TLY ULN YAK                                                             
Origin time: 2008  201   9  27   5
Original location (lat,lon,depth) :     -11.0000    164.500  38   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.635269 Mtt :      0.089157
Mff :      0.546112 Mrt :      0.040246
Mrf :     -0.029380 Mtf :      0.393562
T-axis:  moment=     0.773   plunge=     0.219  azimuth=   119.920    
N-axis:  moment=    -0.133   plunge=     5.627  azimuth=    29.898    
P-axis:  moment=    -0.640   plunge=    84.368  azimuth=   212.145    
best double couple: Mo=    0.706(x1.e26 dyncm)  Mw=6.5  tau=  4.9     
nodal planes (strike/dip/slip):   24.34/ 45.49/-97.90     215.54/ 45.06/-82.04  
Centroid location :   -9.754   165.000    10.000
Centroid time :     10.352
Variance reduction (%) :  61
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    1    0    2    2    0    0    0    1            
r-comp:     0    0    1    0    1    0    3    2    0    0    0    0            
t-comp:     0    0    1    0    0    0    3    1    0    0    0    0            
Total number of traces used =  19  
number of runs = 9
starttime = Sat Jul 19 04:00:05 MDT 2008
endtime = Sat Jul 19 04:21:56 MDT 2008
inversion time = Sat Jul 19 04:21:49 MDT 2008 - Sat Jul 19 04:21:55 MDT 2008
Solution produced by inversion of channels with var red > 2%


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