[rCMT] Mw=5.7 HOKKAIDO, JAPAN REGION

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Sun Jul 1 04:51:42 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007egah HOKKAIDO, JAPAN REGION                            
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK ARU KIP KURK LVZ TLY YAK                                                                       
Origin time: 2007  182   4  12   8
Original location (lat,lon,depth) :      43.8000    144.700  134  
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.018531 Mtt :      0.036377
Mff :     -0.017846 Mrt :      0.016209
Mrf :      0.026439 Mtf :     -0.005065
T-axis:  moment=     0.041   plunge=    16.319  azimuth=   357.384    
N-axis:  moment=     0.006   plunge=    39.595  azimuth=   253.370    
P-axis:  moment=    -0.047   plunge=    45.850  azimuth=   104.938    
best double couple: Mo=    0.044(x1.e26 dyncm)  Mw=5.7  tau=  2.0     
nodal planes (strike/dip/slip):  128.92/ 45.09/-25.84     237.80/ 72.02/-132.07 
Centroid location :   44.756   145.207   139.202
Centroid time :     12.139
Variance reduction (%) :  25
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    0    0    2    2    1    0    0    0            
r-comp:     0    0    1    0    0    0    2    2    1    0    0    0            
t-comp:     0    0    0    0    0    0    1    2    1    0    0    0            
Total number of traces used =  16  
number of runs = 11
starttime = Sat Jun 30 22:28:58 MDT 2007
endtime = Sat Jun 30 22:51:42 MDT 2007
inversion time = Sat Jun 30 22:51:39 MDT 2007 - Sat Jun 30 22:51:42 MDT 2007
Solution produced by inversion of channels with var red > 2%


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