[rCMT] Mw=8.1 SOUTHERN SUMATRA, INDONESIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Wed Sep 12 14:52:46 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 : ARU BFO CASY CCM COR CTAO ESK FFC GNI HKT INCN KIP KIV KMBO KONO KURK LSZ LVC LV                    
Origin time: 2007  255  11  10  26
Original location (lat,lon,depth) :     -4.50000   101.4000  30   
Moment tensor (x1.e26 dyncm) :
Mrr :    159.900574 Mtt :    -90.459862
Mff :    -69.440712 Mrt :     96.949715
Mrf :    -40.439339 Mtf :     64.289490
T-axis:  moment=   194.290   plunge=    71.628  azimuth=    12.951    
N-axis:  moment=   -18.769   plunge=     7.031  azimuth=   124.751    
P-axis:  moment=  -175.521   plunge=    16.885  azimuth=   216.897    
best double couple: Mo=  184.906(x1.e26 dyncm)  Mw=8.1  tau= 31.6     
nodal planes (strike/dip/slip):  121.03/ 62.25/ 82.05     317.72/ 28.78/104.73  
Centroid location :   -4.284   101.403    39.792
Centroid time :     43.365
Variance reduction (%) :  63
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    2    1    6    7    4    5    2    2    1    3            
r-comp:     0    1    2    1    6    8    4    5    2    2    0    4            
t-comp:     0    1    2    1    6    8    4    5    2    2    0    4            
Total number of traces used =  105 
number of runs = 1
starttime = Wed Sep 12 08:48:03 MDT 2007
endtime = Wed Sep 12 08:51:16 MDT 2007
inversion time = Wed Sep 12 08:50:22 MDT 2007 - Wed Sep 12 08:51:15 MDT 2007
Solution produced by inversion of all available channels



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