[rCMT] Mw=5.6 VANUATU

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sun Aug 19 14:32:35 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007gfbb VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO KIP MAJO PET PMG RPN TAU                                                                 
Origin time: 2007  231  13  44   6
Original location (lat,lon,depth) :     -20.5000    169.600  91   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.014114 Mtt :      0.034668
Mff :     -0.020554 Mrt :      0.005589
Mrf :      0.019990 Mtf :     -0.005480
T-axis:  moment=     0.036   plunge=     4.878  azimuth=     3.847    
N-axis:  moment=     0.003   plunge=    49.328  azimuth=   268.146    
P-axis:  moment=    -0.038   plunge=    40.253  azimuth=    97.990    
best double couple: Mo=    0.037(x1.e26 dyncm)  Mw=5.6  tau=  1.8     
nodal planes (strike/dip/slip):  237.95/ 66.62/-145.72     132.81/ 58.87/-27.62 
Centroid location :  -20.105   170.187   103.225
Centroid time :    -15.089
Variance reduction (%) :   5
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    0    0    2    0    1    1    0    1            
r-comp:     0    0    0    0    1    0    1    0    0    1    1    0            
t-comp:     0    0    0    0    0    0    0    0    1    1    0    0            
Total number of traces used =  12  
number of runs = 13
starttime = Sun Aug 19 08:00:48 MDT 2007
endtime = Sun Aug 19 08:32:33 MDT 2007
inversion time = Sun Aug 19 08:32:29 MDT 2007 - Sun Aug 19 08:32:32 MDT 2007
Solution produced by inversion of channels with var red > 2%



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