[rCMT] Mw=6.4 NIAS REGION, INDONESIA

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Jan 22 10:55:01 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008mmaw NIAS REGION, INDONESIA                            
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK ARU CTAO GNI INCN KIV KURK MAJO TAU TLY ULN                                                    
Origin time: 2008   22  17  14  53
Original location (lat,lon,depth) :     0.900000    97.5000  13   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.100478 Mtt :     -0.029102
Mff :     -0.071376 Mrt :      0.207711
Mrf :     -0.434423 Mtf :      0.031652
T-axis:  moment=     0.497   plunge=    50.540  azimuth=    64.831    
N-axis:  moment=    -0.012   plunge=     0.393  azimuth=   334.354    
P-axis:  moment=    -0.485   plunge=    39.458  azimuth=   244.031    
best double couple: Mo=    0.491(x1.e26 dyncm)  Mw=6.4  tau=  4.4     
nodal planes (strike/dip/slip):  330.31/  5.56/ 85.94     154.39/ 84.46/ 90.39  
Centroid location :    0.721    97.430    13.541
Centroid time :      7.345
Variance reduction (%) :  22
 
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          **     o-----------------oo**     
         **       o------------------o**    
        *         oo------------------oo*   
       *           oo------------------oo*  
      **            o-------------------o** 
      *              o----------T--------o* 
     **              oo------------------o**
     **               oo+-----------------**
     **                oo-----------------**
      *                 oo---------------o* 
      **      P          oo--------------** 
       *                  oo------------o*  
        *                  oo----------o*   
         **                 oo--------**    
          **                 oo-----o**     
            ***               oo--***       
               ****           ****o         
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    1    0    2    1    2    2    0    0    0    0            
r-comp:     0    1    1    0    2    1    0    2    0    0    0    0            
t-comp:     0    1    1    0    2    2    2    1    0    0    0    0            
Total number of traces used =  25  
number of runs = 4
starttime = Tue Jan 22 10:43:20 MST 2008
endtime = Tue Jan 22 10:54:56 MST 2008
inversion time = Tue Jan 22 10:54:37 MST 2008 - Tue Jan 22 10:54:56 MST 2008
Solution produced by inversion of channels with var red > 2%


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