[rCMT] Mw=6.3 CENTRAL MID-ATLANTIC RIDGE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Tue Jul 3 09:05:44 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007eiai CENTRAL MID-ATLANTIC RIDG                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  ESK LVC NNA OTAV SDV SUR TSUM                                                                      
Origin time: 2007  184   8  26   0
Original location (lat,lon,depth) :     0.700000   -30.2000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.113075 Mtt :      0.089439
Mff :      0.023636 Mrt :     -0.019385
Mrf :      0.104039 Mtf :     -0.295431
T-axis:  moment=     0.369   plunge=    10.010  azimuth=   222.895    
N-axis:  moment=    -0.099   plunge=    63.787  azimuth=   333.903    
P-axis:  moment=    -0.269   plunge=    23.958  azimuth=   128.397    
best double couple: Mo=    0.319(x1.e26 dyncm)  Mw=6.3  tau=  3.8     
nodal planes (strike/dip/slip):  267.96/ 65.79/-169.63     173.67/ 80.55/-24.56 
Centroid location :    0.869   -30.020    24.400
Centroid time :      0.502
Variance reduction (%) :  68
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    1    0    0    1    0    0    0    0    1    0            
r-comp:     0    0    0    0    0    1    0    0    1    2    1    0            
t-comp:     0    0    0    0    0    1    0    0    1    2    1    0            
Total number of traces used =  14  
number of runs = 8
starttime = Tue Jul 3 02:43:39 MDT 2007
endtime = Tue Jul 3 03:05:44 MDT 2007
inversion time = Tue Jul 3 03:05:42 MDT 2007 - Tue Jul 3 03:05:44 MDT 2007
Solution produced by inversion of channels with var red > 2%



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