[rCMT] Mw=5.9 TONGA REGION
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Thu Nov 15 18:09:10 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007jtbd TONGA REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET PMG RPN TAU YSS
Origin time: 2007 319 17 18 22
Original location (lat,lon,depth) : -22.8000 -175.200 40
Moment tensor (x1.e26 dyncm) :
Mrr : 0.053159 Mtt : 0.028516
Mff : -0.081675 Mrt : -0.007479
Mrf : 0.056852 Mtf : 0.006333
T-axis: moment= 0.074 plunge= 69.345 azimuth= 252.515
N-axis: moment= 0.029 plunge= 4.446 azimuth= 354.417
P-axis: moment= -0.103 plunge= 20.128 azimuth= 86.050
best double couple: Mo= 0.089(x1.e26 dyncm) Mw=5.9 tau= 2.5
nodal planes (strike/dip/slip): 352.37/ 65.27/ 85.10 183.94/ 25.18/100.50
Centroid location : -22.022 -175.451 58.143
Centroid time : 21.055
Variance reduction (%) : 2
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* --oo-------------oo *
* --oo---------------o *
** --o----------------oo **
* -oo-----------------o *
** -o------------------oo P **
** -o-------------+---- o **
** -o---------T-------- o **
* -o-------------------o *
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 0 1 2 1 1 1 1 1
r-comp: 0 0 1 0 0 1 0 1 1 1 1 0
t-comp: 0 0 1 0 0 1 0 1 1 1 1 0
Total number of traces used = 21
number of runs = 8
starttime = Thu Nov 15 10:47:33 MST 2007
endtime = Thu Nov 15 11:08:52 MST 2007
inversion time = Thu Nov 15 11:08:41 MST 2007 - Thu Nov 15 11:08:52 MST 2007
Solution produced by inversion of all available channels
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