[rCMT] Mw=6.3 KEP. MENTAWAI REGION, INDONESIA

USGS research CMT researchcmt at geohazards.usgs.gov
Mon Feb 25 11:42:34 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008nwcd KEP. MENTAWAI REGION, IND                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK CTAO INCN KURK MAJO TLY ULN                                                                    
Origin time: 2008   56  18   6   5
Original location (lat,lon,depth) :     -2.40000    99.9000  35   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.221923 Mtt :     -0.116668
Mff :     -0.105255 Mrt :      0.167099
Mrf :     -0.215602 Mtf :      0.121172
T-axis:  moment=     0.351   plunge=    64.488  azimuth=    58.115    
N-axis:  moment=     0.007   plunge=     4.465  azimuth=   318.698    
P-axis:  moment=    -0.359   plunge=    25.063  azimuth=   226.606    
best double couple: Mo=    0.355(x1.e26 dyncm)  Mw=6.3  tau=  3.9     
nodal planes (strike/dip/slip):  140.31/ 70.21/ 94.75     306.53/ 20.33/ 77.05  
Centroid location :   -2.841    99.469    38.889
Centroid time :      8.814
Variance reduction (%) :  28
 
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        *   -oo--------------------ooo--*   
       *      o----------------------oo--*  
      **       o----------------------oo-** 
      *        oo------------T---------oo-* 
     **          oo---------------------o-**
     **           oo----+---------------oo**
     **            oo--------------------o**
      *             ooo------------------o* 
      **              ooo---------------o** 
       *                ooo-------------o*  
        *     P           ooo----------o*   
         **                 oooo------**    
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            ***                  -***       
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    1    1    2    0    0    0    0    0            
r-comp:     0    0    1    0    1    3    2    0    0    0    0    0            
t-comp:     0    0    1    0    0    2    1    0    0    0    0    0            
Total number of traces used =  16  
number of runs = 2
starttime = Mon Feb 25 11:35:55 MST 2008
endtime = Mon Feb 25 11:42:29 MST 2008
inversion time = Mon Feb 25 11:42:08 MST 2008 - Mon Feb 25 11:42:27 MST 2008
Solution produced by inversion of channels with var red > 2%


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