[rCMT] Mw=5.9 KEPULAUAN BARAT DAYA, INDONESIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sat Dec 15 08:48:12 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007kyah KEPULAUAN BARAT DAYA, IND                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK CASY CTAO KURK MAJO PET TAU TLY ULN YSS                                                        
Origin time: 2007  349   8   3  17
Original location (lat,lon,depth) :     -7.60000    127.400  194  
Moment tensor (x1.e26 dyncm) :
Mrr :      0.071876 Mtt :     -0.082429
Mff :      0.010554 Mrt :      0.016293
Mrf :      0.041906 Mtf :      0.038724
T-axis:  moment=     0.099   plunge=    58.878  azimuth=   290.410    
N-axis:  moment=    -0.003   plunge=    31.119  azimuth=   109.505    
P-axis:  moment=    -0.096   plunge=     0.400  azimuth=   199.747    
best double couple: Mo=    0.098(x1.e26 dyncm)  Mw=5.9  tau=  2.6     
nodal planes (strike/dip/slip):   82.55/ 53.10/ 49.74     317.22/ 52.39/130.72  
Centroid location :   -8.307   127.340   207.370
Centroid time :     -3.166
Variance reduction (%) :  45
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    0    0    0    3    1    2    0    0    0    1            
r-comp:     0    1    0    0    0    1    2    2    0    0    0    0            
t-comp:     1    1    0    0    0    1    2    0    0    0    0    0            
Total number of traces used =  20  
number of runs = 5
starttime = Sat Dec 15 01:33:54 MST 2007
endtime = Sat Dec 15 01:48:08 MST 2007
inversion time = Sat Dec 15 01:47:53 MST 2007 - Sat Dec 15 01:48:07 MST 2007
Solution produced by inversion of channels with var red > 2%



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