[rCMT] Mw=5.8 EASTER ISLAND REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Tue Aug 19 11:49:05 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008vxa2 EASTER ISLAND REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM COR HKT KIP NNA SJG TUC WCI
Origin time: 2008 232 10 58 1
Original location (lat,lon,depth) : -28.4000 -112.900 10
Moment tensor (x1.e26 dyncm) :
Mrr : 0.011478 Mtt : -0.019970
Mff : 0.008492 Mrt : -0.049847
Mrf : -0.045861 Mtf : 0.034114
T-axis: moment= 0.089 plunge= 40.991 azimuth= 129.769
N-axis: moment= -0.032 plunge= 28.407 azimuth= 247.805
P-axis: moment= -0.057 plunge= 35.875 azimuth= 0.831
best double couple: Mo= 0.073(x1.e26 dyncm) Mw=5.8 tau= 2.3
nodal planes (strike/dip/slip): 151.06/ 28.57/174.07 246.27/ 87.17/ 61.56
Centroid location : -28.678 -112.241 10.000
Centroid time : 15.961
Variance reduction (%) : 30
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 1 4 1 1 0 0 0 0
r-comp: 0 0 0 1 0 1 0 1 0 0 0 0
t-comp: 0 0 0 1 0 1 0 0 0 0 0 0
Total number of traces used = 12
number of runs = 12
starttime = Tue Aug 19 05:20:02 MDT 2008
endtime = Tue Aug 19 05:49:02 MDT 2008
inversion time = Tue Aug 19 05:48:58 MDT 2008 - Tue Aug 19 05:49:02 MDT 2008
Solution produced by inversion of channels with var red > 2%
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