[rCMT] Mw=6.3 KEP. MENTAWAI REGION, INDONESIA
USGS research CMT
researchcmt at geohazards.usgs.gov
Sun Feb 24 08:21:14 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008nvcg KEP. MENTAWAI REGION, IND
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK CTAO DGAR INCN KURK TLY ULN
Origin time: 2008 55 14 46 24
Original location (lat,lon,depth) : -2.30000 100.0000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.146342 Mtt : -0.062310
Mff : -0.084032 Mrt : 0.286109
Mrf : -0.263092 Mtf : 0.073341
T-axis: moment= 0.416 plunge= 55.239 azimuth= 40.270
N-axis: moment= -0.001 plunge= 2.190 azimuth= 133.429
P-axis: moment= -0.415 plunge= 34.671 azimuth= 224.945
best double couple: Mo= 0.415(x1.e26 dyncm) Mw=6.3 tau= 4.1
nodal planes (strike/dip/slip): 133.03/ 79.71/ 87.77 325.31/ 10.53/102.07
Centroid location : -3.249 99.418 25.664
Centroid time : 3.452
Variance reduction (%) : 40
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**----------------------ooo**
**oo-----------------------oo**
* oo-----------------------oo-*
* ooo-----------------------o-*
** oo------------T---------oo**
* ooo---------------------oo*
** ooo--------------------o**
** ooo-+----------------o**
** ooo----------------o**
* ooo--------------o*
** ooo-----------o**
* ooo---------o*
* P oooo-----o*
** oooo-**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 2 2 0 0 1 0 0
r-comp: 0 0 0 0 0 1 2 0 0 0 0 0
t-comp: 0 0 1 0 0 2 1 0 0 1 0 0
Total number of traces used = 13
number of runs = 2
starttime = Sun Feb 24 08:14:51 MST 2008
endtime = Sun Feb 24 08:21:09 MST 2008
inversion time = Sun Feb 24 08:20:53 MST 2008 - Sun Feb 24 08:21:08 MST 2008
Solution produced by inversion of channels with var red > 2%
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