[rCMT] CMT Mw=6.5 VANUATU

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Thu Apr 5 15:50:06 GMT 2007


** These results are from a research system and are not official USGS magnitudes. **

General region :  2007atc1 VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  ARU BFO CASY CCM COR CTAO ESK FFC HKT INCN KEV KIP KIV KMBO KONO KURK MAJO NNA PET PMSA RPN SDV SFJ
Origin time: 2007   94  11   2  29
Original location (lat,lon,depth) :     -20.7000    169.000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.617417 Mtt :     -0.115087
Mff :     -0.502330 Mrt :      0.370136
Mrf :     -0.121674 Mtf :      0.214874
T-axis:  moment=     0.773   plunge=    67.635  azimuth=     3.655    
N-axis:  moment=    -0.115   plunge=    18.013  azimuth=   145.868    
P-axis:  moment=    -0.658   plunge=    12.810  azimuth=   240.108    
best double couple: Mo=    0.715(x1.e26 dyncm)  Mw=6.5  tau=  5.0     
nodal planes (strike/dip/slip):  352.63/ 35.84/121.88     135.13/ 60.19/ 69.12  
Centroid location :  -20.544   168.614    29.255
Centroid time :      7.301
Variance reduction (%) :  45
 
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      **   -oo----------T----------o--   ** 
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     **      -oo--------------------o-    **
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    2    2    5    1    9    5    0    2    3    1            
r-comp:     0    0    3    1    5    1    9    3    0    0    1    0            
t-comp:     1    0    3    0    4    1    8    6    0    1    1    0            
Total number of traces used =  79  
number of runs = 1
starttime = Thu Apr 5 09:28:59 MDT 2007
endtime = Thu Apr 5 09:49:48 MDT 2007
inversion time = Thu Apr 5 09:45:42 MDT 2007 - Thu Apr 5 09:49:45 MDT 2007
Solution produced by inversion of channels with var red > 2%



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