[rCMT] Mw=6.1 TONGA
USGS research CMT
researchcmt at geohazards.usgs.gov
Thu Jun 26 22:14:43 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008ttck TONGA
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY COR CTAO INCN KIP MAJO PET PMSA RPN TUC YSS
Origin time: 2008 178 21 19 13
Original location (lat,lon,depth) : -20.7000 -173.400 20
Moment tensor (x1.e26 dyncm) :
Mrr : 0.157926 Mtt : -0.005495
Mff : -0.152431 Mrt : 0.058502
Mrf : -0.050186 Mtf : -0.029408
T-axis: moment= 0.186 plunge= 69.370 azimuth= 28.049
N-axis: moment= -0.023 plunge= 19.142 azimuth= 185.266
P-axis: moment= -0.163 plunge= 7.406 azimuth= 277.852
best double couple: Mo= 0.175(x1.e26 dyncm) Mw=6.1 tau= 3.1
nodal planes (strike/dip/slip): 28.66/ 41.16/119.88 171.31/ 55.21/ 66.47
Centroid location : -20.766 -173.080 50.989
Centroid time : 8.435
Variance reduction (%) : 47
***********
****ooo--------****
*** -oo-------------o***
** -oo---------------oo-**
** -o-----------------oo-**
* oo------------------o-- *
* -o-------------------o-- *
** -o-------------------o-- **
* -o---------T---------o-- *
**P o-------------------o-- **
** o-------+----------oo- **
** oo-----------------o- **
* o----------------oo *
** oo--------------oo **
* o------------ooo *
* oo----------oo *
** oo-------ooo **
** oo oooo **
*** ooooo ***
****ooo ooo ****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 1 0 2 1 1 2 0 1 0 1
r-comp: 0 0 0 0 0 0 1 1 0 1 0 0
t-comp: 0 0 0 0 0 1 0 1 0 1 0 0
Total number of traces used = 16
number of runs = 9
starttime = Thu Jun 26 15:52:41 MDT 2008
endtime = Thu Jun 26 16:14:40 MDT 2008
inversion time = Thu Jun 26 16:14:34 MDT 2008 - Thu Jun 26 16:14:40 MDT 2008
Solution produced by inversion of channels with var red > 2%
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