[rCMT] Mw=5.8 FOX ISLANDS, ALEUTIAN ISLANDS

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Mar 11 08:11:04 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008plbj FOX ISLANDS, ALEUTIAN ISL                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  COR FFC KIP MAJO YAK YSS                                                                           
Origin time: 2008   71  14  37  14
Original location (lat,lon,depth) :      52.5000   -169.500  43   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.049511 Mtt :     -0.036492
Mff :     -0.013019 Mrt :     -0.049304
Mrf :     -0.004249 Mtf :     -0.012823
T-axis:  moment=     0.072   plunge=    65.427  azimuth=   182.375    
N-axis:  moment=    -0.009   plunge=     7.118  azimuth=    76.525    
P-axis:  moment=    -0.063   plunge=    23.388  azimuth=   343.429    
best double couple: Mo=    0.067(x1.e26 dyncm)  Mw=5.8  tau=  2.3     
nodal planes (strike/dip/slip):   58.99/ 22.52/ 71.12     259.31/ 68.75/ 97.64  
Centroid location :   52.487  -170.319    45.603
Centroid time :      4.953
Variance reduction (%) :   7
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    1    1    0    0    1    0    1    0    0            
r-comp:     1    0    0    1    0    0    0    1    1    0    0    0            
t-comp:     1    0    0    0    0    0    0    1    0    1    0    0            
Total number of traces used =  12  
number of runs = 6
starttime = Tue Mar 11 08:51:13 MDT 2008
endtime = Tue Mar 11 09:10:59 MDT 2008
inversion time = Tue Mar 11 09:10:46 MDT 2008 - Tue Mar 11 09:10:57 MDT 2008
Solution produced by inversion of channels with var red > 2%


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