[rCMT] Mw=5.9 RAT ISLANDS, ALEUTIAN ISLANDS

USGS research CMT researchcmt at geohazards.usgs.gov
Fri Jul 25 01:08:30 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008uwb8 RAT ISLANDS, ALEUTIAN ISL                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  COR FFC INCN KIP MAJO TIXI TLY ULN YAK YSS                                                         
Origin time: 2008  207   0  29  27
Original location (lat,lon,depth) :      51.4000    179.000  56   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.083476 Mtt :     -0.081408
Mff :     -0.002068 Mrt :      0.063956
Mrf :     -0.006853 Mtf :     -0.009269
T-axis:  moment=     0.106   plunge=    70.316  azimuth=    15.045    
N-axis:  moment=    -0.002   plunge=     5.948  azimuth=   268.112    
P-axis:  moment=    -0.104   plunge=    18.693  azimuth=   176.092    
best double couple: Mo=    0.105(x1.e26 dyncm)  Mw=5.9  tau=  2.6     
nodal planes (strike/dip/slip):   91.03/ 63.95/ 96.62     256.22/ 26.82/ 76.72  
Centroid location :   50.617   179.276    41.687
Centroid time :      4.092
Variance reduction (%) :  29
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    1    1    0    1    1    3    0    0    0            
r-comp:     0    0    0    0    0    0    0    2    1    1    0    0            
t-comp:     0    1    0    0    1    0    1    2    3    1    0    0            
Total number of traces used =  21  
number of runs = 1
starttime = Thu Jul 24 19:07:18 MDT 2008
endtime = Thu Jul 24 19:08:28 MDT 2008
inversion time = Thu Jul 24 19:08:22 MDT 2008 - Thu Jul 24 19:08:28 MDT 2008
Solution produced by inversion of channels with var red > 2%


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