[rCMT] Mw=5.7 TANZANIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sat Dec 8 20:42:08 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007krba TANZANIA                                          
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK BFO ESK GNI KIV KONO KURK TSUM                                                                 
Origin time: 2007  342  19  55  20
Original location (lat,lon,depth) :     -7.50000    37.6000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.026657 Mtt :      0.011113
Mff :      0.015544 Mrt :      0.023555
Mrf :      0.022548 Mtf :      0.017612
T-axis:  moment=     0.046   plunge=    24.220  azimuth=   312.828    
N-axis:  moment=    -0.004   plunge=     3.009  azimuth=    44.183    
P-axis:  moment=    -0.041   plunge=    65.570  azimuth=   140.828    
best double couple: Mo=    0.044(x1.e26 dyncm)  Mw=5.7  tau=  1.9     
nodal planes (strike/dip/slip):   36.29/ 20.95/-98.44     225.32/ 69.29/-86.78  
Centroid location :   -7.667    36.982    10.000
Centroid time :     10.335
Variance reduction (%) :  19
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    3    3    0    0    0    1    0            
r-comp:     0    0    0    0    0    1    2    0    0    0    0    0            
t-comp:     0    0    0    0    0    2    2    0    0    0    1    0            
Total number of traces used =  16  
number of runs = 4
starttime = Sat Dec 8 13:31:00 MST 2007
endtime = Sat Dec 8 13:42:04 MST 2007
inversion time = Sat Dec 8 13:41:52 MST 2007 - Sat Dec 8 13:42:04 MST 2007
Solution produced by inversion of channels with var red > 2%



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