[rCMT] Mw=6.2 PACIFIC-ANTARCTIC RIDGE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Fri Sep 14 15:15:30 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007hfd2 PACIFIC-ANTARCTIC RIDGE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ARU BFO CASY CCM CTAO ESK FFC INCN KIP KIV KONO KURK LSZ LVC MAJO OTAV PET PMG PMSA SDV SFJD SJG TA
Origin time: 2007 256 20 6 39
Original location (lat,lon,depth) : -57.7000 -147.200 10
Moment tensor (x1.e26 dyncm) :
Mrr : 0.017940 Mtt : 0.064416
Mff : -0.082356 Mrt : -0.108484
Mrf : -0.182814 Mtf : 0.059025
T-axis: moment= 0.242 plunge= 41.907 azimuth= 139.807
N-axis: moment= -0.019 plunge= 23.950 azimuth= 26.315
P-axis: moment= -0.223 plunge= 38.593 azimuth= 275.553
best double couple: Mo= 0.232(x1.e26 dyncm) Mw=6.2 tau= 3.4
nodal planes (strike/dip/slip): 207.11/ 88.21/113.96 301.13/ 24.02/ 4.40
Centroid location : -57.841 -147.117 10.000
Centroid time : 8.633
Variance reduction (%) : 8
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* oo------------o--*
** P oo-------------oo-**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 2 0 1 4 1 0 1 3 3 1 1 1
r-comp: 1 0 1 3 0 0 0 3 3 1 0 0
t-comp: 1 1 2 0 4 1 0 5 7 1 0 0
Total number of traces used = 52
number of runs = 1
starttime = Fri Sep 14 09:11:13 MDT 2007
endtime = Fri Sep 14 09:15:28 MDT 2007
inversion time = Fri Sep 14 09:14:58 MDT 2007 - Fri Sep 14 09:15:27 MDT 2007
Solution produced by inversion of channels with var red > 2%
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