[rCMT] Mw=6.0 SVALBARD REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Wed Feb 20 20:17:10 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008nsag SVALBARD REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK ARU BFO ESK FFC GNI KIV KURK SFJD TIXI TLY YAK
Origin time: 2008 52 2 46 18
Original location (lat,lon,depth) : 77.1000 18.3000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.059105 Mtt : 0.138848
Mff : -0.079742 Mrt : -0.001535
Mrf : 0.007494 Mtf : 0.007185
T-axis: moment= 0.139 plunge= 0.373 azimuth= 178.132
N-axis: moment= -0.057 plunge= 72.068 azimuth= 269.284
P-axis: moment= -0.082 plunge= 17.928 azimuth= 88.012
best double couple: Mo= 0.111(x1.e26 dyncm) Mw=6.0 tau= 2.7
nodal planes (strike/dip/slip): 224.50/ 77.16/-167.38 131.65/ 77.70/-13.15
Centroid location : 77.119 18.857 10.000
Centroid time : -5.009
Variance reduction (%) : 32
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** oo ooo **
* oo ooo *
** ooo ooo **
** ooo + P **
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* ooo ooo *
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 3 1 0 0 0 0 1 1 0 1 1
r-comp: 0 2 0 1 2 0 0 1 1 0 1 1
t-comp: 0 3 1 1 1 0 0 1 1 0 1 1
Total number of traces used = 27
number of runs = 1
starttime = Wed Feb 20 20:13:21 MST 2008
endtime = Wed Feb 20 20:17:05 MST 2008
inversion time = Wed Feb 20 20:16:37 MST 2008 - Wed Feb 20 20:17:03 MST 2008
Solution produced by inversion of channels with var red > 2%
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