[rCMT] Mw=5.7 SOUTH SANDWICH ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Thu Nov 13 16:55:01 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008zibd SOUTH SANDWICH ISLANDS RE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CASY ESK FFC GNI KEV KONO KURK NNA OTAV PMG SFJD SJG SUR TAU TLY ULN WCI
Origin time: 2008 318 15 10 16
Original location (lat,lon,depth) : -55.9000 -27.3000 80
Moment tensor (x1.e26 dyncm) :
Mrr : -0.031096 Mtt : 0.039735
Mff : -0.008639 Mrt : -0.008398
Mrf : 0.000853 Mtf : 0.014523
T-axis: moment= 0.045 plunge= 5.946 azimuth= 164.828
N-axis: moment= -0.012 plunge= 8.708 azimuth= 255.742
P-axis: moment= -0.032 plunge= 79.429 azimuth= 40.901
best double couple: Mo= 0.038(x1.e26 dyncm) Mw=5.7 tau= 1.9
nodal planes (strike/dip/slip): 82.73/ 51.55/-78.85 245.15/ 39.79/-103.68
Centroid location : -55.982 -26.658 83.298
Centroid time : 4.183
Variance reduction (%) : 6
***********
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**---------ooooooo ooooooo**
*-------ooooo ooo*
*---- ooo o*
** ooo **
* ooo *
** oo P **
** oo + oo**
** o oo **
*oo ooo *
**oooo oooo ---**
* ooooooo ooooooo-------*
* ooooooooooo------------*
** ------------------------**
**-------------------------**
***-------------------***
****----------T****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 3 0 0 1 0 1 1 3 0 0 0 0
r-comp: 0 0 0 2 0 1 0 0 0 0 0 0
t-comp: 0 0 0 2 1 2 0 1 1 0 0 0
Total number of traces used = 19
number of runs = 1
starttime = Thu Nov 13 09:52:23 MST 2008
endtime = Thu Nov 13 09:54:58 MST 2008
inversion time = Thu Nov 13 09:54:51 MST 2008 - Thu Nov 13 09:54:58 MST 2008
Solution produced by inversion of channels with var red > 2%
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