[rCMT] Mw=6.3 TONGA

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Aug 19 17:43:15 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008vxbi TONGA                                             
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CTAO DGAR FFC KIP KURK NNA PMG TLY                                                                  
Origin time: 2008  232  16  30  13
Original location (lat,lon,depth) :     -15.1000   -173.500  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.028703 Mtt :      0.057929
Mff :     -0.086632 Mrt :      0.111630
Mrf :      0.301176 Mtf :      0.046502
T-axis:  moment=     0.328   plunge=    46.125  azimuth=   304.883    
N-axis:  moment=     0.011   plunge=    14.267  azimuth=   199.547    
P-axis:  moment=    -0.339   plunge=    40.376  azimuth=    97.060    
best double couple: Mo=    0.333(x1.e26 dyncm)  Mw=6.3  tau=  3.8     
nodal planes (strike/dip/slip):   20.30/ 87.04/104.29     121.77/ 14.58/ 11.84  
Centroid location :  -14.486  -173.422    15.139
Centroid time :     12.928
Variance reduction (%) :   2
 
                   ***********              
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            ***---------------o   ***       
          **-----------------o       **     
         **------------------o        **    
        *-------------------o           *   
       *o------------------oo            *  
      **--------T---------oo             ** 
      *o------------------o               * 
     **o-----------------oo               **
     **o----------------+o                **
     **o----------------o          P      **
      *oo--------------oo                 * 
      **oo------------oo                 ** 
       *-oo-----------o                  *  
        *-oo---------o                 o*   
         **ooo------oo                **    
          **-oooo---o              oo**     
            ***-ooooo          ooo***       
               ****-oooooooooo****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    0    1    0    1    1    2    0    0            
r-comp:     0    0    1    0    1    1    0    2    1    2    0    0            
t-comp:     0    0    1    0    1    1    0    2    1    2    0    0            
Total number of traces used =  21  
number of runs = 14
starttime = Tue Aug 19 11:08:33 MDT 2008
endtime = Tue Aug 19 11:43:03 MDT 2008
inversion time = Tue Aug 19 11:42:55 MDT 2008 - Tue Aug 19 11:43:03 MDT 2008
Solution produced by inversion of all available channels


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