[rCMT] Mw=6.2 ANDREANOF ISLANDS, ALEUTIAN IS.

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sun Apr 29 13:12:32 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007bta3 ANDREANOF ISLANDS, ALEUTI                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  COR FFC INCN KIP MAJO TIXI YAK                                                                     
Origin time: 2007  119  12  41  58
Original location (lat,lon,depth) :      52.1000   -180.000  123  
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.125836 Mtt :      0.010471
Mff :      0.115365 Mrt :      0.067847
Mrf :     -0.165560 Mtf :     -0.040821
T-axis:  moment=     0.221   plunge=    27.248  azimuth=    69.686    
N-axis:  moment=    -0.003   plunge=     1.641  azimuth=   338.841    
P-axis:  moment=    -0.218   plunge=    62.694  azimuth=   245.659    
best double couple: Mo=    0.220(x1.e26 dyncm)  Mw=6.2  tau=  3.3     
nodal planes (strike/dip/slip):  338.32/ 72.27/-91.72     163.96/ 17.81/-84.63  
Centroid location :   51.732  -179.905   119.359
Centroid time :      1.834
Variance reduction (%) :  56
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    1    1    0    0    1    1    1    0    0            
r-comp:     0    0    0    0    0    0    1    1    1    1    0    0            
t-comp:     0    0    0    0    1    0    1    1    1    1    0    0            
Total number of traces used =  15  
number of runs = 6
starttime = Sun Apr 29 07:00:56 MDT 2007
endtime = Sun Apr 29 07:12:31 MDT 2007
inversion time = Sun Apr 29 07:12:29 MDT 2007 - Sun Apr 29 07:12:31 MDT 2007
Solution produced by inversion of channels with var red > 2%



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