[rCMT] Mw=7.8 SOUTHERN SUMATRA, INDONESIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Wed Sep 12 11:48:44 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007hear SOUTHERN SUMATRA, INDONES                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CTAO INCN KURK MAJO PMG TAU TLY ULN                                                                 
Origin time: 2007  255  11  10  24
Original location (lat,lon,depth) :     -4.40000   101.6000  16   
Moment tensor (x1.e26 dyncm) :
Mrr :     -1.984315 Mtt :     -5.758907
Mff :      7.743221 Mrt :     19.272905
Mrf :    -68.848862 Mtf :     10.597971
T-axis:  moment=    72.288   plunge=    43.474  azimuth=    84.318    
N-axis:  moment=     0.643   plunge=     9.963  azimuth=   344.731    
P-axis:  moment=   -72.931   plunge=    44.810  azimuth=   244.682    
best double couple: Mo=   72.610(x1.e26 dyncm)  Mw=7.8  tau= 23.1     
nodal planes (strike/dip/slip):  250.76/  9.99/ -3.91     344.61/ 89.32/-99.96  
Centroid location :   -1.523   103.020   131.973
Centroid time :     77.223
Variance reduction (%) : -15
 
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         **oo        o---------------o**    
        *oo           -----------------o*   
       *oo            o-----------------o*  
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    2    0    1    2    1    0    0    0    0    0            
r-comp:     0    1    2    0    1    3    1    0    0    0    0    0            
t-comp:     0    1    2    0    1    3    1    0    0    0    0    0            
Total number of traces used =  23  
number of runs = 9
starttime = Wed Sep 12 05:25:28 MDT 2007
endtime = Wed Sep 12 05:48:30 MDT 2007
inversion time = Wed Sep 12 05:48:20 MDT 2007 - Wed Sep 12 05:48:29 MDT 2007
Solution produced by inversion of all available channels



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