[rCMT] Mw=6.3 PACIFIC-ANTARCTIC RIDGE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Fri Nov 2 23:21:47 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007jfbu PACIFIC-ANTARCTIC RIDGE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO LVC NNA OTAV PMSA RPN TAU
Origin time: 2007 306 22 31 43
Original location (lat,lon,depth) : -55.6000 -128.700 10
Moment tensor (x1.e26 dyncm) :
Mrr : 0.003157 Mtt : 0.183922
Mff : -0.187079 Mrt : -0.021226
Mrf : -0.201828 Mtf : 0.196250
T-axis: moment= 0.308 plunge= 21.479 azimuth= 149.792
N-axis: moment= 0.054 plunge= 54.472 azimuth= 26.350
P-axis: moment= -0.361 plunge= 26.822 azimuth= 251.268
best double couple: Mo= 0.335(x1.e26 dyncm) Mw=6.3 tau= 3.8
nodal planes (strike/dip/slip): 21.51/ 86.55/-144.62 289.06/ 54.69/ -4.23
Centroid location : -55.288 -128.878 34.605
Centroid time : 13.824
Variance reduction (%) : 57
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 1 2 0 0 0 0 2 0 1
r-comp: 0 1 0 2 1 0 0 0 0 2 0 0
t-comp: 0 0 0 1 0 0 0 0 0 1 0 0
Total number of traces used = 15
number of runs = 6
starttime = Fri Nov 2 17:06:00 MDT 2007
endtime = Fri Nov 2 17:21:44 MDT 2007
inversion time = Fri Nov 2 17:21:34 MDT 2007 - Fri Nov 2 17:21:43 MDT 2007
Solution produced by inversion of channels with var red > 2%
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