[rCMT] Mw=5.9 NORTHERN MID-ATLANTIC RIDGE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sat Sep 1 02:30:03 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007gtah NORTHERN MID-ATLANTIC RID
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM ESK HKT OTAV SDV SFJD SJG WCI
Origin time: 2007 244 1 56 49
Original location (lat,lon,depth) : 27.8000 -44.0000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.008293 Mtt : -0.003685
Mff : 0.011978 Mrt : -0.046096
Mrf : 0.061913 Mtf : -0.000183
T-axis: moment= 0.077 plunge= 41.977 azimuth= 238.978
N-axis: moment= 0.002 plunge= 5.468 azimuth= 144.037
P-axis: moment= -0.079 plunge= 47.501 azimuth= 48.040
best double couple: Mo= 0.078(x1.e26 dyncm) Mw=5.9 tau= 2.4
nodal planes (strike/dip/slip): 143.77/ 87.23/-95.47 26.97/ 6.14/-26.93
Centroid location : 28.531 -44.820 10.000
Centroid time : 19.228
Variance reduction (%) : 8
***********
**** ****
*** ***
**--o o**
**----oo **
*--------o o*
*---------oo o*
**-----------oo P **
*-------------oo o*
**--------------ooo o**
**----------------o+ **
**-----------------oo o**
*------------------ooo o*
**-------T-----------oo o**
*--------------------oo oo*
*---------------------oo oo*
**---------------------o o**
**---------------------oooo**
***-----------------oo***
****o-------ooo****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 2 0 0 0 3 1 2 0
r-comp: 0 0 0 0 0 0 0 0 1 0 2 0
t-comp: 0 0 0 0 0 0 1 0 1 1 1 0
Total number of traces used = 15
number of runs = 8
starttime = Fri Aug 31 20:11:05 MDT 2007
endtime = Fri Aug 31 20:30:01 MDT 2007
inversion time = Fri Aug 31 20:29:57 MDT 2007 - Fri Aug 31 20:30:01 MDT 2007
Solution produced by inversion of channels with var red > 2%
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