[rCMT] Mw=6.3 RAT ISLANDS, ALEUTIAN ISLANDS
USGS research CMT
researchcmt at geohazards.usgs.gov
Tue May 20 14:23:19 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008sga6 RAT ISLANDS, ALEUTIAN ISL
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : FFC INCN KIP MAJO TIXI YAK YSS
Origin time: 2008 141 13 53 39
Original location (lat,lon,depth) : 51.3000 178.600 52
Moment tensor (x1.e26 dyncm) :
Mrr : 0.208339 Mtt : -0.188375
Mff : -0.019963 Mrt : 0.240466
Mrf : 0.065025 Mtf : -0.029866
T-axis: moment= 0.328 plunge= 64.336 azimuth= 342.101
N-axis: moment= -0.016 plunge= 2.336 azimuth= 76.972
P-axis: moment= -0.312 plunge= 25.542 azimuth= 168.089
best double couple: Mo= 0.320(x1.e26 dyncm) Mw=6.3 tau= 3.8
nodal planes (strike/dip/slip): 76.15/ 70.58/ 87.52 263.56/ 19.57/ 96.99
Centroid location : 50.635 178.565 34.312
Centroid time : 2.356
Variance reduction (%) : 32
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 0 1 0 1 1 1 2 0 0
r-comp: 0 1 0 0 1 0 1 1 1 1 0 0
t-comp: 0 1 0 0 1 0 1 1 1 1 0 0
Total number of traces used = 19
number of runs = 1
starttime = Tue May 20 08:22:53 MDT 2008
endtime = Tue May 20 08:23:18 MDT 2008
inversion time = Tue May 20 08:23:16 MDT 2008 - Tue May 20 08:23:18 MDT 2008
Solution produced by inversion of channels with var red > 2%
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