[rCMT] Mw=6.0 SOUTH SANDWICH ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Thu May 15 15:17:08 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008sba1 SOUTH SANDWICH ISLANDS RE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY KMBO LSZ NNA OTAV RPN SDV SUR
Origin time: 2008 136 14 23 29
Original location (lat,lon,depth) : -57.9000 -25.6000 35
Moment tensor (x1.e26 dyncm) :
Mrr : -0.080570 Mtt : 0.137981
Mff : -0.057411 Mrt : -0.009872
Mrf : -0.020975 Mtf : 0.006115
T-axis: moment= 0.139 plunge= 2.775 azimuth= 177.917
N-axis: moment= -0.046 plunge= 30.133 azimuth= 86.305
P-axis: moment= -0.093 plunge= 59.713 azimuth= 272.677
best double couple: Mo= 0.116(x1.e26 dyncm) Mw=6.0 tau= 2.7
nodal planes (strike/dip/slip): 62.14/ 54.81/-127.90 295.63/ 49.85/-48.94
Centroid location : -58.286 -26.016 46.299
Centroid time : 13.186
Variance reduction (%) : 17
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 3 0 0 0 1 0 1 0 0
r-comp: 0 0 0 0 0 0 0 2 0 0 0 0
t-comp: 0 0 0 1 0 0 0 2 1 0 0 0
Total number of traces used = 12
number of runs = 9
starttime = Thu May 15 08:58:28 MDT 2008
endtime = Thu May 15 09:17:08 MDT 2008
inversion time = Thu May 15 09:17:05 MDT 2008 - Thu May 15 09:17:08 MDT 2008
Solution produced by inversion of channels with var red > 2%
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