[rCMT] Mw=6.5 SOUTHWESTERN RYUKYU ISL., JAPAN
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Fri Apr 20 02:16:05 GMT 2007
General region : 2007bjai SOUTHWESTERN RYUKYU ISL.,
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK KURK MA2 PET TLY ULN YAK YSS
Origin time: 2007 110 1 45 56
Original location (lat,lon,depth) : 25.7000 125.200 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.150714 Mtt : 0.188806
Mff : -0.038092 Mrt : -0.601006
Mrf : 0.123203 Mtf : 0.066853
T-axis: moment= 0.644 plunge= 37.292 azimuth= 182.270
N-axis: moment= -0.007 plunge= 9.249 azimuth= 279.394
P-axis: moment= -0.638 plunge= 51.183 azimuth= 21.072
best double couple: Mo= 0.641(x1.e26 dyncm) Mw=6.5 tau= 4.8
nodal planes (strike/dip/slip): 100.55/ 82.96/-80.68 227.29/ 11.66/-142.68
Centroid location : 25.834 125.220 10.000
Centroid time : 3.400
Variance reduction (%) : 46
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 1 3 1 2 0 0 0 0
r-comp: 0 0 0 0 1 3 2 2 0 0 0 0
t-comp: 0 0 0 0 1 1 2 2 0 0 0 0
Total number of traces used = 21
number of runs = 3
starttime = Thu Apr 19 20:11:11 MDT 2007
endtime = Thu Apr 19 20:16:04 MDT 2007
inversion time = Thu Apr 19 20:16:01 MDT 2007 - Thu Apr 19 20:16:04 MDT 2007
Solution produced by inversion of channels with var red > 2%
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