[rCMT] Mw=6.4 KEPULAUAN BARAT DAYA, INDONESIA

USGS research CMT researchcmt at geohazards.usgs.gov
Fri Nov 7 16:47:57 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008zcbf KEPULAUAN BARAT DAYA, IND                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO DGAR INCN MAJO TAU ULN YSS                                                               
Origin time: 2008  312  16   4  21
Original location (lat,lon,depth) :     -7.10000    128.900  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.008072 Mtt :     -0.192350
Mff :      0.200422 Mrt :     -0.327769
Mrf :      0.378274 Mtf :      0.022389
T-axis:  moment=     0.539   plunge=    40.652  azimuth=   249.146    
N-axis:  moment=    -0.003   plunge=    21.535  azimuth=   139.338    
P-axis:  moment=    -0.537   plunge=    41.603  azimuth=    28.827    
best double couple: Mo=    0.538(x1.e26 dyncm)  Mw=6.4  tau=  4.5     
nodal planes (strike/dip/slip):   47.86/ 21.54/ -1.38     139.14/ 89.49/-111.55 
Centroid location :   -6.680   129.093    18.292
Centroid time :     -4.517
Variance reduction (%) :  36
 
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            ***                   ***       
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        *-------             P         o*   
       *---------o                      o*  
      **------------                    o** 
      *-------------oo                  o * 
     **---------------oo                o **
     **----------------o+o              o **
     **------------------oo            oo **
      *-------T------------o           o  * 
      **--------------------o         o  ** 
       *-----------------------o    oo   *  
        *-----------------------   oo   *   
         **----------------------ooo  **    
          **o-----------------ooo--  **     
            ***oooo-----ooooooo---***       
               ****oooooo-----****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    0    0    0    2    2    0    0    1    0    1            
r-comp:     1    0    0    0    0    1    2    0    0    0    0    0            
t-comp:     1    1    0    0    0    2    2    0    0    0    0    0            
Total number of traces used =  18  
number of runs = 3
starttime = Fri Nov 7 09:41:36 MST 2008
endtime = Fri Nov 7 09:47:54 MST 2008
inversion time = Fri Nov 7 09:47:50 MST 2008 - Fri Nov 7 09:47:54 MST 2008
Solution produced by inversion of channels with var red > 2%


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