[rCMT] Mw=6.9 NORTHERN MID-ATLANTIC RIDGE
USGS research CMT
researchcmt at geohazards.usgs.gov
Fri Feb 8 03:15:14 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008nean NORTHERN MID-ATLANTIC RID
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM ESK HKT LVC NNA OTAV SDV SJG WCI
Origin time: 2008 39 9 38 14
Original location (lat,lon,depth) : 10.7000 -41.9000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.048650 Mtt : -0.550765
Mff : 0.599416 Mrt : -1.241602
Mrf : 1.327732 Mtf : -2.803997
T-axis: moment= 3.753 plunge= 25.520 azimuth= 230.285
N-axis: moment= -0.908 plunge= 64.257 azimuth= 58.380
P-axis: moment= -2.845 plunge= 3.164 azimuth= 321.797
best double couple: Mo= 3.299(x1.e26 dyncm) Mw=6.9 tau= 8.2
nodal planes (strike/dip/slip): 9.01/ 69.90/ 16.43 273.22/ 74.60/159.12
Centroid location : 10.869 -41.770 18.709
Centroid time : 0.273
Variance reduction (%) : 80
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 1 1 0 2 1 2 1 0
r-comp: 0 0 0 0 1 1 0 2 2 2 2 0
t-comp: 0 0 0 0 1 1 0 2 2 2 2 0
Total number of traces used = 28
number of runs = 2
starttime = Fri Feb 8 03:07:56 MST 2008
endtime = Fri Feb 8 03:14:16 MST 2008
inversion time = Fri Feb 8 03:13:45 MST 2008 - Fri Feb 8 03:14:15 MST 2008
Solution produced by inversion of all available channels
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