[rCMT] Mw=5.8 HOKKAIDO, JAPAN REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Apr 28 23:05:14 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008rkah HOKKAIDO, JAPAN REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK ARU KIP KURK LVZ TIXI TLY ULN YAK
Origin time: 2008 120 5 26 6
Original location (lat,lon,depth) : 41.5000 142.000 59
Moment tensor (x1.e26 dyncm) :
Mrr : 0.060209 Mtt : -0.020311
Mff : -0.039898 Mrt : -0.009097
Mrf : 0.014774 Mtf : 0.005985
T-axis: moment= 0.063 plunge= 80.374 azimuth= 234.234
N-axis: moment= -0.019 plunge= 2.978 azimuth= 342.094
P-axis: moment= -0.044 plunge= 9.146 azimuth= 72.574
best double couple: Mo= 0.054(x1.e26 dyncm) Mw=5.8 tau= 2.1
nodal planes (strike/dip/slip): 339.95/ 54.21/ 86.33 166.21/ 35.95/ 95.08
Centroid location : 42.076 141.939 51.001
Centroid time : 4.909
Variance reduction (%) : 22
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* -oo---------------oo *
** -o-----------------oo- P**
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** --o---------T----------o- **
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 0 0 3 2 2 0 0 0
r-comp: 0 0 0 0 0 0 2 1 1 0 0 0
t-comp: 0 0 0 0 0 0 2 1 2 0 0 0
Total number of traces used = 17
number of runs = 3
starttime = Mon Apr 28 23:58:06 MDT 2008
endtime = Tue Apr 29 00:05:11 MDT 2008
inversion time = Tue Apr 29 00:05:04 MDT 2008 - Tue Apr 29 00:05:11 MDT 2008
Solution produced by inversion of channels with var red > 2%
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