[rCMT] Mw=6.8 SOUTH ISLAND OF NEW ZEALAND
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Mon Oct 15 13:30:11 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007imal SOUTH ISLAND OF NEW ZEALA
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO INCN KIP MAJO PMG PMSA SUR
Origin time: 2007 288 12 29 37
Original location (lat,lon,depth) : -44.7000 167.500 25
Moment tensor (x1.e26 dyncm) :
Mrr : 1.417256 Mtt : -0.174667
Mff : -1.242589 Mrt : -0.613316
Mrf : -1.004845 Mtf : -0.785982
T-axis: moment= 1.818 plunge= 71.168 azimuth= 125.574
N-axis: moment= 0.239 plunge= 2.155 azimuth= 29.240
P-axis: moment= -2.057 plunge= 18.699 azimuth= 298.510
best double couple: Mo= 1.937(x1.e26 dyncm) Mw=6.8 tau= 6.9
nodal planes (strike/dip/slip): 24.89/ 26.37/ 85.14 210.30/ 63.73/ 92.40
Centroid location : -44.079 167.524 28.695
Centroid time : 16.759
Variance reduction (%) : 66
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* oo------------o--*
* P ooo--------------o--*
** oo----------------o--**
* oo-----------------o---*
** oo------------------o---**
** oo-----+-------------o-- **
** oo---------T----------o-- **
* oo--------------------oo- *
** o--------------------oo- **
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 0 0 0 1 3 0 0 1 1
r-comp: 0 0 0 0 1 0 1 3 0 0 0 0
t-comp: 1 0 0 0 1 0 1 3 0 0 0 0
Total number of traces used = 18
number of runs = 15
starttime = Mon Oct 15 06:52:17 MDT 2007
endtime = Mon Oct 15 07:30:08 MDT 2007
inversion time = Mon Oct 15 07:29:59 MDT 2007 - Mon Oct 15 07:30:08 MDT 2007
Solution produced by inversion of channels with var red > 2%
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