[rCMT] Mw=5.5 SOUTHERN SUMATRA, INDONESIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Tue Sep 25 09:05:53 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007hsak SOUTHERN SUMATRA, INDONES                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CTAO DGAR INCN MAJO PMG TAU TLY ULN                                                                 
Origin time: 2007  268   8  27   4
Original location (lat,lon,depth) :     -1.80000   100.4000  35   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.008568 Mtt :     -0.012819
Mff :      0.004252 Mrt :     -0.000358
Mrf :      0.011279 Mtf :      0.017143
T-axis:  moment=     0.022   plunge=    36.785  azimuth=   295.861    
N-axis:  moment=     0.003   plunge=    50.921  azimuth=   138.831    
P-axis:  moment=    -0.025   plunge=    11.363  azimuth=    34.503    
best double couple: Mo=    0.023(x1.e26 dyncm)  Mw=5.5  tau=  1.6     
nodal planes (strike/dip/slip):   81.87/ 55.75/ 20.10     340.23/ 73.49/144.06  
Centroid location :   -0.825   100.882    57.961
Centroid time :     26.645
Variance reduction (%) :  -1
 
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          **---------oo          P   **     
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        *---------------o               *   
       *-----------------o               *  
      **-----T-----------oo              ** 
      *-------------------oo              * 
     **--------------------oo            o**
     **-----------------+---o-          oo**
     **---------------------oo-       ooo **
      *oo--------------------o-----ooo----* 
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       *   -ooooooooooooooooooo----------*  
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    2    0    1    1    0    0    0    0    0    0            
r-comp:     0    1    2    0    1    3    0    0    0    1    0    0            
t-comp:     0    1    2    0    1    3    0    0    0    1    0    0            
Total number of traces used =  21  
number of runs = 9
starttime = Tue Sep 25 02:42:47 MDT 2007
endtime = Tue Sep 25 03:05:36 MDT 2007
inversion time = Tue Sep 25 03:05:27 MDT 2007 - Tue Sep 25 03:05:35 MDT 2007
Solution produced by inversion of all available channels



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