[rCMT] (Update) Mw=6.5 BIO-BIO, CHILE

USGS research CMT researchcmt at geohazards.usgs.gov
Wed Jul 14 16:09:33 UTC 2010


More data added resulting in larger dip angle and smaller moment 
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General region :  2010yupd BIO-BIO, CHILE                                    
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  ARU BFO CASY COR CTAO DGAR ESK FFC GNI HKT INCN KEV KIP KIV KMBO KONO KURK LSZ MAJO OTAV PET PMG PM
Origin time: 2010  195   8  32  22
Original location (lat,lon,depth) :     -38.0000   -73.3000  28   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.360174 Mtt :     -0.024001
Mff :     -0.336173 Mrt :     -0.065469
Mrf :     -0.563588 Mtf :     -0.013559
T-axis:  moment=     0.678   plunge=    60.723  azimuth=    98.466    
N-axis:  moment=    -0.025   plunge=     1.662  azimuth=     5.498    
P-axis:  moment=    -0.654   plunge=    29.221  azimuth=   274.568    
best double couple: Mo=    0.666(x1.e26 dyncm)  Mw=6.5  tau=  4.8     
nodal planes (strike/dip/slip):  359.63/ 15.85/ 83.90     185.97/ 74.24/ 91.73  
Centroid location :  -37.819   -73.543    27.267
Centroid time :      7.612
Variance reduction (%) :  48
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    1    4    2    5    3    4    4    4    0    2    2            
r-comp:     1    0    0    2    1    0    0    2    1    0    1    0            
t-comp:     1    0    0    1    1    0    2    1    0    0    1    1            
Total number of traces used =  48  


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