[rCMT] Mw=6.3 LOYALTY ISLANDS
USGS research CMT
researchcmt at geohazards.usgs.gov
Fri Apr 18 23:50:15 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008raa3 LOYALTY ISLANDS
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO RPN TAU YSS
Origin time: 2008 110 5 58 45
Original location (lat,lon,depth) : -20.3000 168.700 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.191873 Mtt : -0.245950
Mff : 0.054077 Mrt : 0.236897
Mrf : 0.089092 Mtf : 0.126033
T-axis: moment= 0.355 plunge= 54.605 azimuth= 314.710
N-axis: moment= 0.010 plunge= 27.177 azimuth= 90.980
P-axis: moment= -0.366 plunge= 20.866 azimuth= 192.266
best double couple: Mo= 0.361(x1.e26 dyncm) Mw=6.3 tau= 3.9
nodal planes (strike/dip/slip): 80.83/ 71.06/ 61.13 320.35/ 34.08/144.60
Centroid location : -20.049 168.372 23.555
Centroid time : 5.769
Variance reduction (%) : 32
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 0 2 0 0 1 1 1
r-comp: 0 0 1 0 1 0 1 0 0 0 1 0
t-comp: 0 0 1 0 1 0 1 0 0 0 0 0
Total number of traces used = 14
number of runs = 7
starttime = Sat Apr 19 00:32:58 MDT 2008
endtime = Sat Apr 19 00:50:12 MDT 2008
inversion time = Sat Apr 19 00:50:06 MDT 2008 - Sat Apr 19 00:50:12 MDT 2008
Solution produced by inversion of channels with var red > 2%
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