[rCMT] Mw=5.9 IZU ISLANDS, JAPAN REGION

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Dec 7 01:19:57 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007kqad IZU ISLANDS, JAPAN REGION                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  KURK PET PMG TIXI TLY ULN YAK                                                                      
Origin time: 2007  341   0  47  36
Original location (lat,lon,depth) :      29.9000    140.900  71   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.079916 Mtt :     -0.033523
Mff :     -0.046393 Mrt :     -0.041572
Mrf :      0.006103 Mtf :     -0.032975
T-axis:  moment=     0.095   plunge=    69.391  azimuth=   199.490    
N-axis:  moment=    -0.018   plunge=    18.440  azimuth=    47.032    
P-axis:  moment=    -0.077   plunge=     8.882  azimuth=   314.045    
best double couple: Mo=    0.086(x1.e26 dyncm)  Mw=5.9  tau=  2.4     
nodal planes (strike/dip/slip):   23.22/ 39.55/ 60.22     239.81/ 56.45/112.31  
Centroid location :   30.205   141.023    69.604
Centroid time :      6.393
Variance reduction (%) :  25
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    0    0    1    2    2    0    0    0    0            
r-comp:     0    0    0    0    0    1    2    3    0    0    0    0            
t-comp:     1    0    0    0    0    1    2    2    0    0    0    0            
Total number of traces used =  18  
number of runs = 7
starttime = Thu Dec 6 18:00:19 MST 2007
endtime = Thu Dec 6 18:19:53 MST 2007
inversion time = Thu Dec 6 18:19:42 MST 2007 - Thu Dec 6 18:19:53 MST 2007
Solution produced by inversion of channels with var red > 2%



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