AUTOMATIC solution, not reviewed by a seismologist, new beta version 12/7/10
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/110319095651.2011irbi
usr/passwd : rcmt/rcmt
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General region :  2011irbi NEAR EAST COAST OF HONSHU                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  BILL KURK PET PMG TIXI TLY ULN YAK                                                                 
Origin time: 2011   78   9  56  51
Original location (lat,lon,depth) :      36.9000    140.300  25   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.070887 Mtt :      0.031254
Mff :      0.039633 Mrt :      0.100251
Mrf :      0.033310 Mtf :     -0.015951
T-axis:  moment=     0.093   plunge=    32.136  azimuth=   354.575    
N-axis:  moment=     0.047   plunge=     7.373  azimuth=   259.912    
P-axis:  moment=    -0.140   plunge=    56.825  azimuth=   158.496    
best double couple: Mo=    0.116(x1.e26 dyncm)  Mw=6.0  tau=  2.7     
nodal planes (strike/dip/slip):  109.85/ 14.54/-59.25     258.27/ 77.54/-97.55  
Centroid location :   37.248   140.664    20.010
Centroid time :     -2.446
Variance reduction (%) :  41.7
 
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      *--------------- ooooooooooooooooooo* 
     **---------oooooooo                --**
     **----oooooo       +                 **
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    0    1    0    2    3    0    0    0    0            
r-comp:     0    0    0    0    1    0    1    2    0    0    0    0            
t-comp:     0    0    0    0    1    1    2    2    0    0    0    0            
Total number of traces used =  17  
number of runs = 4
starttime = Sat Mar 19 04:11:12 MDT 2011
Solution produced by inversion of channels with var red > 2%