[rCMT] (Update) Mw=6.8 HOKKAIDO, JAPAN REGION

USGS research CMT researchcmt at geohazards.usgs.gov
Thu Sep 11 01:24:48 GMT 2008


HUMAN REVIEWED solution
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More data added
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General region :  2008wvag HOKKAIDO, JAPAN REGION                            
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  ARU BFO COR CTAO DGAR ESK FFC GNI KIP KIV KONO KURK PMG SFJD TIXI YAK                              
Origin time: 2008  255   0  20  52
Original location (lat,lon,depth) :      42.0000    143.600  35   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.778028 Mtt :     -0.368771
Mff :     -0.409257 Mrt :      1.444117
Mrf :      1.544642 Mtf :     -0.412865
T-axis:  moment=     2.245   plunge=    55.244  azimuth=   312.879    
N-axis:  moment=     0.024   plunge=     0.179  azimuth=    43.138    
P-axis:  moment=    -2.270   plunge=    34.755  azimuth=   133.262    
best double couple: Mo=    2.257(x1.e26 dyncm)  Mw=6.8  tau=  7.3     
nodal planes (strike/dip/slip):   43.11/ 79.76/ 89.82     224.13/ 10.25/ 91.01  
Centroid location :   41.328   144.177    22.701
Centroid time :     -1.261
Variance reduction (%) :  40
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     2    0    1    0    2    1    4    4    0    1    0    0            
r-comp:     2    0    1    0    1    1    4    4    0    0    0    0            
t-comp:     2    0    1    0    2    1    5    2    0    0    0    0            
Total number of traces used =  41  


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