[rCMT] (Update) Mw=6.7 COLOMBIA-ECUADOR BORDER

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Nov 16 04:20:25 GMT 2007


HUMAN REVIEWED solution
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Substantial change in hypocentral parameters
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General region :  2007juaf COLOMBIA-ECUADOR BORDER R                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : BFO COR ESK FFC HKT KIP KONO LVC PMSA RPN SFJD SJG TUC WCI                                          
Origin time: 2007  320   3  12  59
Original location (lat,lon,depth) :     -2.30000   -77.8000  119  
Moment tensor (x1.e26 dyncm) :
Mrr :     -1.063047 Mtt :      0.089921
Mff :      0.973126 Mrt :      0.916637
Mrf :     -0.581126 Mtf :     -0.696253
T-axis:  moment=     1.700   plunge=    19.823  azimuth=    55.764    
N-axis:  moment=    -0.117   plunge=    18.155  azimuth=   318.975    
P-axis:  moment=    -1.583   plunge=    62.578  azimuth=   189.774    
best double couple: Mo=    1.642(x1.e26 dyncm)  Mw=6.7  tau=  6.5     
nodal planes (strike/dip/slip):  311.04/ 67.18/-109.76     173.85/ 29.84/-51.22 
Centroid location :   -2.038   -77.786   108.151
Centroid time :      4.879
Variance reduction (%) :  71
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     2    0    0    0    3    2    3    2    1    0    1    0            
r-comp:     2    0    0    0    3    2    3    2    1    0    1    0            
t-comp:     2    0    0    0    3    2    3    2    1    0    1    0            
Total number of traces used =  42  



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