[rCMT] Mw=5.9 NORTHERN MID-ATLANTIC RIDGE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Thu Dec 6 17:43:26 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007kpa8 NORTHERN MID-ATLANTIC RID                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CCM ESK HKT NNA OTAV SDV SFJD SJG WCI                                                               
Origin time: 2007  340  17  12   3
Original location (lat,lon,depth) :      22.7000   -45.0000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.033294 Mtt :      0.010563
Mff :      0.022731 Mrt :     -0.013169
Mrf :      0.099844 Mtf :      0.006460
T-axis:  moment=     0.099   plunge=    37.270  azimuth=   267.676    
N-axis:  moment=     0.012   plunge=     4.270  azimuth=   174.419    
P-axis:  moment=    -0.111   plunge=    52.401  azimuth=    78.854    
best double couple: Mo=    0.105(x1.e26 dyncm)  Mw=5.9  tau=  2.6     
nodal planes (strike/dip/slip):   23.55/  8.72/-60.58     173.85/ 82.41/-94.31  
Centroid location :   22.774   -45.485    10.000
Centroid time :      5.392
Variance reduction (%) :   5
 
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      *---------------o                  o* 
     **---------------o         P        o**
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    0    0    0    2    1    3    0    0            
r-comp:     0    0    0    0    1    0    1    2    0    3    1    0            
t-comp:     0    0    0    0    1    0    1    2    0    3    1    0            
Total number of traces used =  22  
number of runs = 5
starttime = Thu Dec 6 10:29:24 MST 2007
endtime = Thu Dec 6 10:43:06 MST 2007
inversion time = Thu Dec 6 10:42:50 MST 2007 - Thu Dec 6 10:43:05 MST 2007
Solution produced by inversion of all available channels



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