[rCMT] Mw=6.9 VANUATU
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Sep 8 19:46:40 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008wsbh VANUATU
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO INCN KIP MAJO PET RPN YAK YSS
Origin time: 2008 252 18 52 10
Original location (lat,lon,depth) : -13.5000 166.900 130
Moment tensor (x1.e26 dyncm) :
Mrr : 2.991839 Mtt : -0.533244
Mff : -2.458595 Mrt : -0.112995
Mrf : -0.704471 Mtf : 0.106605
T-axis: moment= 3.086 plunge= 82.456 azimuth= 105.317
N-axis: moment= -0.533 plunge= 2.299 azimuth= 357.671
P-axis: moment= -2.552 plunge= 7.181 azimuth= 267.381
best double couple: Mo= 2.819(x1.e26 dyncm) Mw=6.9 tau= 7.8
nodal planes (strike/dip/slip): 354.71/ 37.87/ 86.25 179.45/ 52.22/ 92.91
Centroid location : -12.921 166.717 122.941
Centroid time : 6.447
Variance reduction (%) : 80
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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 1 0 1 0 1
r-comp: 0 0 1 0 1 0 3 1 0 1 0 0
t-comp: 0 0 1 0 1 0 4 1 0 1 0 0
Total number of traces used = 22
number of runs = 10
starttime = Mon Sep 8 13:22:26 MDT 2008
endtime = Mon Sep 8 13:46:37 MDT 2008
inversion time = Mon Sep 8 13:46:31 MDT 2008 - Mon Sep 8 13:46:37 MDT 2008
Solution produced by inversion of channels with var red > 2%
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