[rCMT] Mw=5.8 NORTHERN MID-ATLANTIC RIDGE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Wed May 23 05:13:15 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007csak NORTHERN MID-ATLANTIC RID
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM FFC KEV KIV KONO SJG
Origin time: 2007 143 4 41 46
Original location (lat,lon,depth) : 52.3000 -31.8000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.041193 Mtt : -0.002937
Mff : 0.044130 Mrt : 0.028318
Mrf : 0.054103 Mtf : 0.006140
T-axis: moment= 0.075 plunge= 27.241 azimuth= 285.313
N-axis: moment= 0.000 plunge= 10.196 azimuth= 20.626
P-axis: moment= -0.075 plunge= 60.609 azimuth= 129.248
best double couple: Mo= 0.075(x1.e26 dyncm) Mw=5.8 tau= 2.3
nodal planes (strike/dip/slip): 350.99/ 19.99/-121.19 203.78/ 73.00/-79.33
Centroid location : 51.964 -31.953 19.205
Centroid time : -5.369
Variance reduction (%) : 45
***********
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***-------------ooooo ***
**---------------oo ooo **
**--------------oo ooo **
*---------------oo oo *
*---------------oo oo *
**--------------oo o **
*----T---------oo oo *
**-------------oo o **
**------------oo + o **
**------------o o **
*-----------oo P o *
**----------o oo **
*---------oo o *
*--------o o *
**----- o oo **
**----oo oo **
***-o oo***
**** o****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 2 1 0 0 1 1 0 1 0
r-comp: 0 0 0 2 1 0 0 1 1 0 0 0
t-comp: 0 0 0 2 2 0 0 1 0 0 0 0
Total number of traces used = 16
number of runs = 6
starttime = Tue May 22 23:01:37 MDT 2007
endtime = Tue May 22 23:13:15 MDT 2007
inversion time = Tue May 22 23:13:12 MDT 2007 - Tue May 22 23:13:14 MDT 2007
Solution produced by inversion of channels with var red > 2%
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