[rCMT] Mw=6.1 SOUTH SANDWICH ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Apr 28 09:49:36 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008rja3 SOUTH SANDWICH ISLANDS RE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY KMBO LSZ LVC NNA OTAV RPN SUR TSUM
Origin time: 2008 119 15 57 55
Original location (lat,lon,depth) : -58.7000 -24.8000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.123877 Mtt : 0.014993
Mff : -0.138871 Mrt : -0.122691
Mrf : -0.003064 Mtf : -0.022966
T-axis: moment= 0.204 plunge= 56.797 azimuth= 183.052
N-axis: moment= -0.059 plunge= 32.371 azimuth= 17.446
P-axis: moment= -0.145 plunge= 6.602 azimuth= 283.239
best double couple: Mo= 0.174(x1.e26 dyncm) Mw=6.1 tau= 3.1
nodal planes (strike/dip/slip): 342.22/ 47.70/ 43.63 219.55/ 59.31/128.51
Centroid location : -58.247 -24.600 29.712
Centroid time : 4.430
Variance reduction (%) : 50
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** oo---------------oo **
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** -oo------------------o- **
* -oo-------------------o-- *
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 3 1 0 0 1 1 1 0 0
r-comp: 0 0 0 0 1 0 0 0 2 0 0 0
t-comp: 0 0 0 1 1 0 0 0 2 0 0 0
Total number of traces used = 15
number of runs = 7
starttime = Mon Apr 28 10:32:09 MDT 2008
endtime = Mon Apr 28 10:49:33 MDT 2008
inversion time = Mon Apr 28 10:49:26 MDT 2008 - Mon Apr 28 10:49:33 MDT 2008
Solution produced by inversion of channels with var red > 2%
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