[rCMT] Mw=6.3 PACIFIC-ANTARCTIC RIDGE

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Nov 2 23:21:47 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007jfbu PACIFIC-ANTARCTIC RIDGE                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO LVC NNA OTAV PMSA RPN TAU                                                                
Origin time: 2007  306  22  31  43
Original location (lat,lon,depth) :     -55.6000   -128.700  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.003157 Mtt :      0.183922
Mff :     -0.187079 Mrt :     -0.021226
Mrf :     -0.201828 Mtf :      0.196250
T-axis:  moment=     0.308   plunge=    21.479  azimuth=   149.792    
N-axis:  moment=     0.054   plunge=    54.472  azimuth=    26.350    
P-axis:  moment=    -0.361   plunge=    26.822  azimuth=   251.268    
best double couple: Mo=    0.335(x1.e26 dyncm)  Mw=6.3  tau=  3.8     
nodal planes (strike/dip/slip):   21.51/ 86.55/-144.62     289.06/ 54.69/ -4.23 
Centroid location :  -55.288  -128.878    34.605
Centroid time :     13.824
Variance reduction (%) :  57
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    1    2    0    0    0    0    2    0    1            
r-comp:     0    1    0    2    1    0    0    0    0    2    0    0            
t-comp:     0    0    0    1    0    0    0    0    0    1    0    0            
Total number of traces used =  15  
number of runs = 6
starttime = Fri Nov 2 17:06:00 MDT 2007
endtime = Fri Nov 2 17:21:44 MDT 2007
inversion time = Fri Nov 2 17:21:34 MDT 2007 - Fri Nov 2 17:21:43 MDT 2007
Solution produced by inversion of channels with var red > 2%



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