[rCMT] Mw=6.3 RAT ISLANDS, ALEUTIAN ISLANDS

USGS research CMT researchcmt at geohazards.usgs.gov
Tue May 20 14:23:19 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008sga6 RAT ISLANDS, ALEUTIAN ISL                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  FFC INCN KIP MAJO TIXI YAK YSS                                                                     
Origin time: 2008  141  13  53  39
Original location (lat,lon,depth) :      51.3000    178.600  52   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.208339 Mtt :     -0.188375
Mff :     -0.019963 Mrt :      0.240466
Mrf :      0.065025 Mtf :     -0.029866
T-axis:  moment=     0.328   plunge=    64.336  azimuth=   342.101    
N-axis:  moment=    -0.016   plunge=     2.336  azimuth=    76.972    
P-axis:  moment=    -0.312   plunge=    25.542  azimuth=   168.089    
best double couple: Mo=    0.320(x1.e26 dyncm)  Mw=6.3  tau=  3.8     
nodal planes (strike/dip/slip):   76.15/ 70.58/ 87.52     263.56/ 19.57/ 96.99  
Centroid location :   50.635   178.565    34.312
Centroid time :      2.356
Variance reduction (%) :  32
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    0    1    0    1    1    1    2    0    0            
r-comp:     0    1    0    0    1    0    1    1    1    1    0    0            
t-comp:     0    1    0    0    1    0    1    1    1    1    0    0            
Total number of traces used =  19  
number of runs = 1
starttime = Tue May 20 08:22:53 MDT 2008
endtime = Tue May 20 08:23:18 MDT 2008
inversion time = Tue May 20 08:23:16 MDT 2008 - Tue May 20 08:23:18 MDT 2008
Solution produced by inversion of channels with var red > 2%


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