[rCMT] Mw=6.1 KEPULAUAN BARAT DAYA, INDONESIA

USGS research CMT researchcmt at geohazards.usgs.gov
Fri Apr 18 20:57:23 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008raas KEPULAUAN BARAT DAYA, IND                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CTAO DGAR MAJO TAU TLY ULN                                                                         
Origin time: 2008  110   3  12  25
Original location (lat,lon,depth) :     -7.80000    125.700  12   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.015902 Mtt :     -0.019102
Mff :      0.003200 Mrt :     -0.089947
Mrf :     -0.109291 Mtf :     -0.145859
T-axis:  moment=     0.144   plunge=    16.827  azimuth=    55.359    
N-axis:  moment=     0.089   plunge=    55.216  azimuth=   171.171    
P-axis:  moment=    -0.233   plunge=    29.444  azimuth=   315.529    
best double couple: Mo=    0.189(x1.e26 dyncm)  Mw=6.1  tau=  3.2     
nodal planes (strike/dip/slip):    3.17/ 81.78/-33.92      98.66/ 56.48/-170.13 
Centroid location :   -8.154   125.539    10.263
Centroid time :     -2.019
Variance reduction (%) :  42
 
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          **              o  --------**     
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        *      P          o ---------T--*   
       *                  o -------------*  
      **                  o--------------** 
      *                   o---------------* 
     **o                 -o---------------**
     **ooo              +-o---------------**
     **  ooo         -----o---------------**
      *    oooo   --------o-------------oo* 
      **------ooooo------oo---------ooooo** 
       *-----------oooooooooooooooooo----*  
        *----------------o------------  *   
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            ***---------o-------  ***       
               ****----oo-----****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    0    0    0    1    1    0    0    1    0    0            
r-comp:     1    0    0    0    0    0    1    0    0    0    0    0            
t-comp:     1    1    0    0    0    1    2    0    0    0    0    0            
Total number of traces used =  12  
number of runs = 6
starttime = Fri Apr 18 21:45:01 MDT 2008
endtime = Fri Apr 18 21:57:21 MDT 2008
inversion time = Fri Apr 18 21:57:17 MDT 2008 - Fri Apr 18 21:57:20 MDT 2008
Solution produced by inversion of channels with var red > 2%


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