[rCMT] Mw=6.8 ANDREANOF ISLANDS, ALEUTIAN IS.
USGS research CMT
researchcmt at geohazards.usgs.gov
Tue Apr 15 23:25:51 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008qxam ANDREANOF ISLANDS, ALEUTI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : COR FFC KIP MAJO TLY YAK YSS
Origin time: 2008 107 5 54 23
Original location (lat,lon,depth) : 51.9000 -179.100 32
Moment tensor (x1.e26 dyncm) :
Mrr : -0.085948 Mtt : 0.551177
Mff : -0.465230 Mrt : 0.204095
Mrf : 1.906401 Mtf : -0.558944
T-axis: moment= 1.688 plunge= 44.843 azimuth= 253.033
N-axis: moment= 0.611 plunge= 16.345 azimuth= 359.991
P-axis: moment= -2.299 plunge= 40.602 azimuth= 104.551
best double couple: Mo= 1.993(x1.e26 dyncm) Mw=6.8 tau= 7.0
nodal planes (strike/dip/slip): 359.34/ 87.80/ 73.64 261.88/ 16.50/172.22
Centroid location : 51.404 -179.181 13.660
Centroid time : 3.196
Variance reduction (%) : 62
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*oo--------------o- oo*
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 1 1 0 0 1 1 1 0 0
r-comp: 0 1 0 1 1 0 0 2 0 1 0 0
t-comp: 0 1 0 1 1 0 0 2 1 1 0 0
Total number of traces used = 19
number of runs = 1
starttime = Wed Apr 16 00:25:25 MDT 2008
endtime = Wed Apr 16 00:25:51 MDT 2008
inversion time = Wed Apr 16 00:25:48 MDT 2008 - Wed Apr 16 00:25:51 MDT 2008
Solution produced by inversion of channels with var red > 2%
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