[rCMT] Mw=6.3 CENTRAL MID-ATLANTIC RIDGE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Tue Jul 3 09:05:44 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007eiai CENTRAL MID-ATLANTIC RIDG
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ESK LVC NNA OTAV SDV SUR TSUM
Origin time: 2007 184 8 26 0
Original location (lat,lon,depth) : 0.700000 -30.2000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.113075 Mtt : 0.089439
Mff : 0.023636 Mrt : -0.019385
Mrf : 0.104039 Mtf : -0.295431
T-axis: moment= 0.369 plunge= 10.010 azimuth= 222.895
N-axis: moment= -0.099 plunge= 63.787 azimuth= 333.903
P-axis: moment= -0.269 plunge= 23.958 azimuth= 128.397
best double couple: Mo= 0.319(x1.e26 dyncm) Mw=6.3 tau= 3.8
nodal planes (strike/dip/slip): 267.96/ 65.79/-169.63 173.67/ 80.55/-24.56
Centroid location : 0.869 -30.020 24.400
Centroid time : 0.502
Variance reduction (%) : 68
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 1 0 0 1 0 0 0 0 1 0
r-comp: 0 0 0 0 0 1 0 0 1 2 1 0
t-comp: 0 0 0 0 0 1 0 0 1 2 1 0
Total number of traces used = 14
number of runs = 8
starttime = Tue Jul 3 02:43:39 MDT 2007
endtime = Tue Jul 3 03:05:44 MDT 2007
inversion time = Tue Jul 3 03:05:42 MDT 2007 - Tue Jul 3 03:05:44 MDT 2007
Solution produced by inversion of channels with var red > 2%
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