[rCMT] Mw=6.6 CENTRAL MID-ATLANTIC RIDGE

USGS research CMT researchcmt at geohazards.usgs.gov
Wed Sep 10 13:49:26 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008wubm CENTRAL MID-ATLANTIC RIDG                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  BFO CCM ESK HKT NNA OTAV SDV SJG WCI                                                               
Origin time: 2008  254  13   8  15
Original location (lat,lon,depth) :      8.00000   -38.7000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.017006 Mtt :     -0.167493
Mff :      0.184499 Mrt :     -0.532685
Mrf :      0.252428 Mtf :     -0.894072
T-axis:  moment=     1.166   plunge=    24.789  azimuth=   227.355    
N-axis:  moment=    -0.186   plunge=    59.200  azimuth=    86.574    
P-axis:  moment=    -0.980   plunge=    17.093  azimuth=   325.520    
best double couple: Mo=    1.073(x1.e26 dyncm)  Mw=6.6  tau=  5.7     
nodal planes (strike/dip/slip):    8.14/ 59.71/  5.89     275.16/ 84.91/149.58  
Centroid location :    8.593   -38.688    10.080
Centroid time :      3.323
Variance reduction (%) :  74
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    1    0    2    2    1    0    0            
r-comp:     0    0    0    0    1    1    0    2    1    2    0    0            
t-comp:     0    0    0    0    1    1    0    2    2    2    0    0            
Total number of traces used =  22  
number of runs = 4
starttime = Wed Sep 10 07:40:22 MDT 2008
endtime = Wed Sep 10 07:49:23 MDT 2008
inversion time = Wed Sep 10 07:49:13 MDT 2008 - Wed Sep 10 07:49:22 MDT 2008
Solution produced by inversion of channels with var red > 2%


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