[rCMT] Mw=6.9 NORTHERN MID-ATLANTIC RIDGE

USGS research CMT researchcmt at geohazards.usgs.gov
Fri Feb 8 03:15:14 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008nean NORTHERN MID-ATLANTIC RID                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM ESK HKT LVC NNA OTAV SDV SJG WCI                                                            
Origin time: 2008   39   9  38  14
Original location (lat,lon,depth) :      10.7000   -41.9000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.048650 Mtt :     -0.550765
Mff :      0.599416 Mrt :     -1.241602
Mrf :      1.327732 Mtf :     -2.803997
T-axis:  moment=     3.753   plunge=    25.520  azimuth=   230.285    
N-axis:  moment=    -0.908   plunge=    64.257  azimuth=    58.380    
P-axis:  moment=    -2.845   plunge=     3.164  azimuth=   321.797    
best double couple: Mo=    3.299(x1.e26 dyncm)  Mw=6.9  tau=  8.2     
nodal planes (strike/dip/slip):    9.01/ 69.90/ 16.43     273.22/ 74.60/159.12  
Centroid location :   10.869   -41.770    18.709
Centroid time :      0.273
Variance reduction (%) :  80
 
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        *                    o    ------*   
       *                     o     ------*  
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     **ooooo----------       o oooooooo   **
     **-----------------+   oo         ooo**
     **-------------------  o             **
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        *----T------------oo            *   
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               ****---oo--    ****          
                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    1    0    2    1    2    1    0            
r-comp:     0    0    0    0    1    1    0    2    2    2    2    0            
t-comp:     0    0    0    0    1    1    0    2    2    2    2    0            
Total number of traces used =  28  
number of runs = 2
starttime = Fri Feb 8 03:07:56 MST 2008
endtime = Fri Feb 8 03:14:16 MST 2008
inversion time = Fri Feb 8 03:13:45 MST 2008 - Fri Feb 8 03:14:15 MST 2008
Solution produced by inversion of all available channels


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