[rCMT] Mw=6.8 ANDREANOF ISLANDS, ALEUTIAN IS.
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Thu Aug 2 03:51:49 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007fnag ANDREANOF ISLANDS, ALEUTI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : COR INCN KIP MAJO TIXI TLY YAK YSS
Origin time: 2007 214 3 21 46
Original location (lat,lon,depth) : 51.4000 -179.900 48
Moment tensor (x1.e26 dyncm) :
Mrr : 1.303527 Mtt : -1.171402
Mff : -0.132125 Mrt : 1.084442
Mrf : 0.472216 Mtf : -0.310872
T-axis: moment= 1.772 plunge= 68.331 azimuth= 331.237
N-axis: moment= -0.057 plunge= 3.794 azimuth= 70.845
P-axis: moment= -1.714 plunge= 21.301 azimuth= 162.326
best double couple: Mo= 1.743(x1.e26 dyncm) Mw=6.8 tau= 6.7
nodal planes (strike/dip/slip): 69.19/ 66.40/ 85.86 259.44/ 23.94/ 99.39
Centroid location : 50.584 -179.773 39.251
Centroid time : 6.407
Variance reduction (%) : 63
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 1 0 0 1 1 1 1 0 0
r-comp: 0 1 0 0 0 0 0 2 2 1 0 0
t-comp: 0 1 0 0 0 0 1 2 2 1 0 0
Total number of traces used = 19
number of runs = 7
starttime = Wed Aug 1 21:35:26 MDT 2007
endtime = Wed Aug 1 21:51:47 MDT 2007
inversion time = Wed Aug 1 21:51:42 MDT 2007 - Wed Aug 1 21:51:46 MDT 2007
Solution produced by inversion of channels with var red > 2%
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