[rCMT] Mw=6.5 CENTRAL MID-ATLANTIC RIDGE
USGS research CMT
researchcmt at geohazards.usgs.gov
Fri May 23 20:19:29 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008sjbz CENTRAL MID-ATLANTIC RIDG
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM ESK NNA OTAV SDV SJG WCI
Origin time: 2008 144 19 35 35
Original location (lat,lon,depth) : 7.30000 -34.9000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.066227 Mtt : 0.003346
Mff : 0.062881 Mrt : -0.331696
Mrf : -0.395567 Mtf : -0.612037
T-axis: moment= 0.652 plunge= 6.504 azimuth= 49.113
N-axis: moment= 0.245 plunge= 57.435 azimuth= 149.395
P-axis: moment= -0.897 plunge= 31.749 azimuth= 315.068
best double couple: Mo= 0.775(x1.e26 dyncm) Mw=6.5 tau= 5.1
nodal planes (strike/dip/slip): 357.95/ 73.02/-28.21 96.85/ 63.12/-160.89
Centroid location : 8.099 -35.409 17.677
Centroid time : 8.831
Variance reduction (%) : 62
***********
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** o ---------**
** oo---------T**
* P o------------*
* o-------------*
** oo------------**
* -o-------------*
**o -o-------------**
**ooo + --o-------------**
** oooo ----o-------------**
*-- oooooo -------o---------oooo*
**---------oooooooooooooooooooooo--**
*--------------------o----------- *
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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 1 0 0
r-comp: 0 0 0 0 1 1 0 1 2 2 0 0
t-comp: 0 0 0 0 1 1 0 1 1 2 0 0
Total number of traces used = 19
number of runs = 7
starttime = Fri May 23 14:03:52 MDT 2008
endtime = Fri May 23 14:19:27 MDT 2008
inversion time = Fri May 23 14:19:20 MDT 2008 - Fri May 23 14:19:27 MDT 2008
Solution produced by inversion of channels with var red > 2%
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