[rCMT] Mw=6.3 SOUTHEAST OF LOYALTY ISLANDS

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Sep 28 01:51:39 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007hvak SOUTHEAST OF LOYALTY ISLA                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO INCN KIP MAJO PMG TAU YSS                                                                
Origin time: 2007  271   1   1  48
Original location (lat,lon,depth) :     -21.4000    169.400  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.198852 Mtt :     -0.038069
Mff :     -0.160783 Mrt :      0.301022
Mrf :     -0.126918 Mtf :      0.085388
T-axis:  moment=     0.410   plunge=    56.570  azimuth=    10.953    
N-axis:  moment=    -0.059   plunge=    15.160  azimuth=   125.186    
P-axis:  moment=    -0.351   plunge=    29.006  azimuth=   223.826    
best double couple: Mo=    0.381(x1.e26 dyncm)  Mw=6.3  tau=  4.0     
nodal planes (strike/dip/slip):  121.22/ 75.69/ 74.34     349.81/ 21.09/136.61  
Centroid location :  -21.355   169.620    22.782
Centroid time :     13.161
Variance reduction (%) :  31
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    0    2    0    0    1    1    1            
r-comp:     0    0    0    0    1    0    0    1    0    1    1    0            
t-comp:     0    0    0    0    1    0    1    1    1    1    1    0            
Total number of traces used =  16  
number of runs = 13
starttime = Thu Sep 27 19:16:27 MDT 2007
endtime = Thu Sep 27 19:51:35 MDT 2007
inversion time = Thu Sep 27 19:51:25 MDT 2007 - Thu Sep 27 19:51:34 MDT 2007
Solution produced by inversion of channels with var red > 2%



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