[rCMT] (Update) Mw=7.7 NORTHERN SUMATRA

[USGS research CMT]

Human reviewed
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General region :  2010uupd NORTHERN SUMATRA 
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK ARU CASY CTAO DGAR GNI INCN KEV KIV KMBO KONO KURK MAJO PET PMG TAU TIXI TSUM ULN YAK YSS      
Origin time: 2010   96  22  15   2
Original location (lat,lon,depth) :      2.20000    97.0000  46   
Moment tensor (x1.e26 dyncm) :
Mrr :     16.094568 Mtt :     -8.857878
Mff :     -7.236691 Mrt :     24.782209
Mrf :    -25.101357 Mtf :      6.354293
T-axis:  moment=    39.284   plunge=    56.672  azimuth=    46.613    
N-axis:  moment=    -1.694   plunge=     1.226  azimuth=   314.748    
P-axis:  moment=   -37.590   plunge=    33.299  azimuth=   223.943    
best double couple: Mo=   38.437(x1.e26 dyncm)  Mw=7.7  tau= 18.7     
nodal planes (strike/dip/slip):  135.00/ 78.31/ 91.25     308.85/ 11.76/ 83.97  
Centroid location :    1.607    96.488    31.539
Centroid time :     17.077
Variance reduction (%) :  65
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    2    0    3    3    4    3    0    3    0    0            
r-comp:     0    1    2    0    2    3    2    2    0    1    0    0            
t-comp:     0    1    2    0    2    3    2    2    0    1    0    0            
Total number of traces used =  46