[rCMT] (Update) Mw=5.8 OFFSHORE BIO-BIO, CHILE

USGS research CMT researchcmt at geohazards.usgs.gov
Thu Sep 30 02:13:09 UTC 2010


Removed data from malfunctioning station
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General region :  2010bupd OFFSHORE 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 KEV KIV KMBO KONO KURK LSZ MAJO OTAV                     
Origin time: 2010  273   0  26  19
Original location (lat,lon,depth) :     -36.5000   -73.1000  25   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.038953 Mtt :     -0.004123
Mff :     -0.034830 Mrt :     -0.015470
Mrf :      0.016045 Mtf :      0.041959
T-axis:  moment=     0.044   plunge=    74.633  azimuth=   192.786    
N-axis:  moment=     0.025   plunge=     9.970  azimuth=   322.550    
P-axis:  moment=    -0.069   plunge=    11.574  azimuth=    54.613    
best double couple: Mo=    0.056(x1.e26 dyncm)  Mw=5.8  tau=  2.1     
nodal planes (strike/dip/slip):  316.08/ 57.32/ 78.13     157.34/ 34.54/107.78  
Centroid location :  -35.555   -73.212    59.881
Centroid time :      5.589
Variance reduction (%) :   1
 
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        *---o----------oooo          P  *   
       *---oo-------------ooo            *  
      **---o----------------ooo          ** 
      *----o------------------oo          * 
     **  --o-------------------ooo        **
     **   -oo-----------+--------oo       **
     **    -o---------------------oo      **
      *     oo---------T-----------oo     * 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    4    2    5    4    5    3    1    0    2    2            
r-comp:     0    1    0    2    2    0    2    1    0    0    1    0            
t-comp:     0    1    0    2    2    0    2    1    0    0    1    0            
Total number of traces used =  47  


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