[rCMT] Mw=6.5 ANDREANOF ISLANDS, ALEUTIAN IS.
USGS research CMT
researchcmt at geohazards.usgs.gov
Tue Apr 15 16:33:50 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008qwc1 ANDREANOF ISLANDS, ALEUTI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : COR FFC KIP MAJO TLY ULN YAK YSS
Origin time: 2008 106 22 59 54
Original location (lat,lon,depth) : 52.0000 -179.400 30
Moment tensor (x1.e26 dyncm) :
Mrr : 0.013926 Mtt : 0.106521
Mff : -0.120447 Mrt : 0.222727
Mrf : 0.459734 Mtf : -0.441352
T-axis: moment= 0.498 plunge= 24.561 azimuth= 231.537
N-axis: moment= 0.282 plunge= 47.275 azimuth= 351.195
P-axis: moment= -0.781 plunge= 32.428 azimuth= 124.659
best double couple: Mo= 0.640(x1.e26 dyncm) Mw=6.5 tau= 4.8
nodal planes (strike/dip/slip): 270.98/ 47.69/-173.38 176.51/ 85.11/-42.50
Centroid location : 51.486 -179.112 16.455
Centroid time : 3.161
Variance reduction (%) : 48
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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 2 1 0 0
r-comp: 0 1 0 0 1 0 0 1 1 1 0 0
t-comp: 0 1 0 1 1 0 0 2 2 1 0 0
Total number of traces used = 20
number of runs = 1
starttime = Tue Apr 15 17:33:21 MDT 2008
endtime = Tue Apr 15 17:33:49 MDT 2008
inversion time = Tue Apr 15 17:33:47 MDT 2008 - Tue Apr 15 17:33:49 MDT 2008
Solution produced by inversion of channels with var red > 2%
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