[rCMT] (Update) Mw=8.5 OFFSHORE MAULE, CHILE

USGS research CMT researchcmt at geohazards.usgs.gov
Sat Feb 27 07:54:33 UTC 2010


HUMAN REVIEWED solution
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Increased starting half duration
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General region :  2010tup7 OFFSHORE MAULE, CHILE                             
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  BFO CASY COR CTAO FFC HKT KIP KONO OTAV PMSA SFJD SUR TAU TUC WCI                                  
Origin time: 2010   58   6  34  17
Original location (lat,lon,depth) :     -35.8000   -72.7000  30   
Moment tensor (x1.e26 dyncm) :
Mrr :    600.632629 Mtt :    -79.527397
Mff :   -521.105225 Mrt :     -1.045724
Mrf :   -232.612091 Mtf :   -128.118683
T-axis:  moment=   647.762   plunge=    78.380  azimuth=    80.404    
N-axis:  moment=   -49.756   plunge=     4.526  azimuth=   193.046    
P-axis:  moment=  -598.006   plunge=    10.680  azimuth=   283.901    
best double couple: Mo=  622.884(x1.e26 dyncm)  Mw=8.5  tau= 47.3     
nodal planes (strike/dip/slip):   19.65/ 34.55/ 98.00     189.97/ 55.84/ 84.53  
Centroid location :  -35.481   -72.375    38.850
Centroid time :     56.696
Variance reduction (%) :  64
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    2    1    4    2    1    0    1    2            
r-comp:     1    0    0    0    1    0    2    0    1    0    1    1            
t-comp:     1    0    0    0    1    0    2    0    1    0    1    1            
Total number of traces used =  28  


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