[rCMT] Mw=6.1 LOYALTY ISLANDS
USGS research CMT
researchcmt at geohazards.usgs.gov
Fri Apr 11 11:42:13 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008qsbu LOYALTY ISLANDS
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET RPN TAU
Origin time: 2008 102 17 45 6
Original location (lat,lon,depth) : -20.4000 168.800 37
Moment tensor (x1.e26 dyncm) :
Mrr : 0.129078 Mtt : -0.035920
Mff : -0.093158 Mrt : 0.088658
Mrf : -0.068734 Mtf : 0.058334
T-axis: moment= 0.174 plunge= 67.589 azimuth= 25.210
N-axis: moment= -0.006 plunge= 9.694 azimuth= 139.680
P-axis: moment= -0.168 plunge= 20.002 azimuth= 233.245
best double couple: Mo= 0.171(x1.e26 dyncm) Mw=6.1 tau= 3.1
nodal planes (strike/dip/slip): 339.79/ 26.42/112.24 135.25/ 65.68/ 79.35
Centroid location : -20.651 168.692 36.767
Centroid time : 7.839
Variance reduction (%) : 40
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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 0 0 0 0 0 0 1 0
t-comp: 0 0 0 0 0 0 2 0 0 1 1 0
Total number of traces used = 13
number of runs = 10
starttime = Fri Apr 11 12:21:21 MDT 2008
endtime = Fri Apr 11 12:42:13 MDT 2008
inversion time = Fri Apr 11 12:42:11 MDT 2008 - Fri Apr 11 12:42:13 MDT 2008
Solution produced by inversion of channels with var red > 2%
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