[rCMT] Mw=6.2 ANDREANOF ISLANDS, ALEUTIAN IS.
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sun Apr 29 13:12:32 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007bta3 ANDREANOF ISLANDS, ALEUTI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : COR FFC INCN KIP MAJO TIXI YAK
Origin time: 2007 119 12 41 58
Original location (lat,lon,depth) : 52.1000 -180.000 123
Moment tensor (x1.e26 dyncm) :
Mrr : -0.125836 Mtt : 0.010471
Mff : 0.115365 Mrt : 0.067847
Mrf : -0.165560 Mtf : -0.040821
T-axis: moment= 0.221 plunge= 27.248 azimuth= 69.686
N-axis: moment= -0.003 plunge= 1.641 azimuth= 338.841
P-axis: moment= -0.218 plunge= 62.694 azimuth= 245.659
best double couple: Mo= 0.220(x1.e26 dyncm) Mw=6.2 tau= 3.3
nodal planes (strike/dip/slip): 338.32/ 72.27/-91.72 163.96/ 17.81/-84.63
Centroid location : 51.732 -179.905 119.359
Centroid time : 1.834
Variance reduction (%) : 56
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**oo oo--------------**
**oo oo--------------**
* oo oo---------------*
* oo oo---------------*
** o o----------T---**
* o oo--------------*
** oo oo-------------**
** oo + oo------------**
** o P o------------**
* o oo-----------*
** oo o----------**
* oo oo---------*
* oo o--------*
** ooo o------**
** ooo o ----**
*** ooo o -***
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 1 1 0 0 1 1 1 0 0
r-comp: 0 0 0 0 0 0 1 1 1 1 0 0
t-comp: 0 0 0 0 1 0 1 1 1 1 0 0
Total number of traces used = 15
number of runs = 6
starttime = Sun Apr 29 07:00:56 MDT 2007
endtime = Sun Apr 29 07:12:31 MDT 2007
inversion time = Sun Apr 29 07:12:29 MDT 2007 - Sun Apr 29 07:12:31 MDT 2007
Solution produced by inversion of channels with var red > 2%
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