[rCMT] Mw=5.9 NORTHERN MID-ATLANTIC RIDGE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sat Sep 1 02:30:03 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007gtah NORTHERN MID-ATLANTIC RID                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  BFO CCM ESK HKT OTAV SDV SFJD SJG WCI                                                              
Origin time: 2007  244   1  56  49
Original location (lat,lon,depth) :      27.8000   -44.0000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.008293 Mtt :     -0.003685
Mff :      0.011978 Mrt :     -0.046096
Mrf :      0.061913 Mtf :     -0.000183
T-axis:  moment=     0.077   plunge=    41.977  azimuth=   238.978    
N-axis:  moment=     0.002   plunge=     5.468  azimuth=   144.037    
P-axis:  moment=    -0.079   plunge=    47.501  azimuth=    48.040    
best double couple: Mo=    0.078(x1.e26 dyncm)  Mw=5.9  tau=  2.4     
nodal planes (strike/dip/slip):  143.77/ 87.23/-95.47      26.97/  6.14/-26.93  
Centroid location :   28.531   -44.820    10.000
Centroid time :     19.228
Variance reduction (%) :   8
 
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        *--------o                     o*   
       *---------oo                     o*  
      **-----------oo          P         ** 
      *-------------oo                   o* 
     **--------------ooo                 o**
     **----------------o+                 **
     **-----------------oo               o**
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      **-------T-----------oo           o** 
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                   ***********              
 
          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    2    0    0    0    3    1    2    0            
r-comp:     0    0    0    0    0    0    0    0    1    0    2    0            
t-comp:     0    0    0    0    0    0    1    0    1    1    1    0            
Total number of traces used =  15  
number of runs = 8
starttime = Fri Aug 31 20:11:05 MDT 2007
endtime = Fri Aug 31 20:30:01 MDT 2007
inversion time = Fri Aug 31 20:29:57 MDT 2007 - Fri Aug 31 20:30:01 MDT 2007
Solution produced by inversion of channels with var red > 2%


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