[rCMT] Mw=6.9 SOUTH OF MARIANA ISLANDS

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sun Sep 30 02:45:11 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007hxah SOUTH OF MARIANA ISLANDS                          
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CTAO INCN MAJO PET TLY ULN YAK YSS                                                                 
Origin time: 2007  273   2   8  29
Original location (lat,lon,depth) :     10.50000    145.600  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.356323 Mtt :      1.388445
Mff :     -1.744768 Mrt :     -1.524484
Mrf :     -0.384115 Mtf :      2.331066
T-axis:  moment=     3.401   plunge=    26.780  azimuth=   153.662    
N-axis:  moment=    -0.366   plunge=    62.110  azimuth=   316.142    
P-axis:  moment=    -3.035   plunge=     7.222  azimuth=    59.995    
best double couple: Mo=    3.218(x1.e26 dyncm)  Mw=6.9  tau=  8.2     
nodal planes (strike/dip/slip):  193.61/ 65.95/165.43     289.66/ 76.72/ 24.75  
Centroid location :   10.758   146.573    10.000
Centroid time :      3.125
Variance reduction (%) :  79
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    0    0    1    2    1    0    0    0    0            
r-comp:     1    0    0    0    0    1    4    2    0    0    0    0            
t-comp:     1    0    0    0    0    1    4    2    0    0    0    0            
Total number of traces used =  21  
number of runs = 9
starttime = Sat Sep 29 20:21:52 MDT 2007
endtime = Sat Sep 29 20:45:08 MDT 2007
inversion time = Sat Sep 29 20:44:58 MDT 2007 - Sat Sep 29 20:45:07 MDT 2007
Solution produced by inversion of channels with var red > 2%



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