[rCMT] Mw=6.2 KERMADEC ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Tue Mar 18 02:21:02 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008ptak KERMADEC ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO INCN KIP MAJO PET PMSA RPN TAU YSS
Origin time: 2008 78 8 22 49
Original location (lat,lon,depth) : -28.8000 -177.400 28
Moment tensor (x1.e26 dyncm) :
Mrr : 0.237270 Mtt : -0.032954
Mff : -0.204316 Mrt : -0.023074
Mrf : 0.119196 Mtf : -0.056054
T-axis: moment= 0.272 plunge= 73.679 azimuth= 244.841
N-axis: moment= -0.026 plunge= 9.828 azimuth= 11.110
P-axis: moment= -0.246 plunge= 12.900 azimuth= 103.383
best double couple: Mo= 0.259(x1.e26 dyncm) Mw=6.2 tau= 3.5
nodal planes (strike/dip/slip): 5.04/ 58.62/ 78.47 206.44/ 33.23/108.15
Centroid location : -28.391 -176.842 37.779
Centroid time : 4.183
Variance reduction (%) : 58
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* --oo-------------oo *
* -oo----------------o *
** -oo-----------------o **
* --o------------------o *
** -oo------------------o **
** --o------------+------o **
** --o---------T---------o **
* ---o------------------oo P *
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 1 0 0 1 1 2 1 0 1 1
r-comp: 0 0 1 0 0 0 1 1 1 0 1 0
t-comp: 0 0 0 0 0 0 0 1 1 0 1 0
Total number of traces used = 17
number of runs = 6
starttime = Tue Mar 18 03:05:47 MDT 2008
endtime = Tue Mar 18 03:20:59 MDT 2008
inversion time = Tue Mar 18 03:20:51 MDT 2008 - Tue Mar 18 03:20:59 MDT 2008
Solution produced by inversion of channels with var red > 2%
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