[rCMT] Mw=6.2 VANUATU

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sun Jul 15 10:16:33 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007evak VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO INCN KIP MAJO PET TAU YSS                                                                
Origin time: 2007  196   9  27  40
Original location (lat,lon,depth) :     -15.4000    168.500  46   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.248726 Mtt :     -0.008358
Mff :     -0.240368 Mrt :     -0.122784
Mrf :     -0.015049 Mtf :     -0.057396
T-axis:  moment=     0.298   plunge=    68.010  azimuth=   182.138    
N-axis:  moment=    -0.040   plunge=    21.265  azimuth=    17.617    
P-axis:  moment=    -0.258   plunge=     5.344  azimuth=   285.531    
best double couple: Mo=    0.278(x1.e26 dyncm)  Mw=6.2  tau=  3.6     
nodal planes (strike/dip/slip):  353.69/ 43.82/ 58.41     214.13/ 53.86/116.69  
Centroid location :  -14.842   168.811    21.856
Centroid time :     -2.825
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    0    2    1    0    1    0    2            
r-comp:     0    0    0    0    0    0    2    1    0    1    0    1            
t-comp:     0    0    0    0    1    0    3    1    0    1    0    2            
Total number of traces used =  20  
number of runs = 13
starttime = Sun Jul 15 03:48:12 MDT 2007
endtime = Sun Jul 15 04:16:33 MDT 2007
inversion time = Sun Jul 15 04:16:30 MDT 2007 - Sun Jul 15 04:16:32 MDT 2007
Solution produced by inversion of channels with var red > 2%



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