[rCMT] Mw=6.1 KEP. MENTAWAI REGION, INDONESIA
USGS research CMT
researchcmt at geohazards.usgs.gov
Sun Mar 2 20:13:28 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008pdaj KEP. MENTAWAI REGION, IND
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK CTAO DGAR INCN KURK MAJO TLY ULN
Origin time: 2008 63 2 37 28
Original location (lat,lon,depth) : -2.20000 99.8000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.100913 Mtt : -0.038072
Mff : -0.062842 Mrt : 0.141386
Mrf : -0.114484 Mtf : 0.052377
T-axis: moment= 0.209 plunge= 59.099 azimuth= 32.774
N-axis: moment= -0.001 plunge= 5.539 azimuth= 132.099
P-axis: moment= -0.209 plunge= 30.292 azimuth= 225.346
best double couple: Mo= 0.209(x1.e26 dyncm) Mw=6.1 tau= 3.3
nodal planes (strike/dip/slip): 130.66/ 75.52/ 84.28 332.50/ 15.55/111.11
Centroid location : -2.833 99.694 29.654
Centroid time : 3.062
Variance reduction (%) : 38
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**o-----------------------oo-**
* oo-----------------------oo--*
* oo------------------------o--*
** ooo------------T---------oo-**
* oo----------------------oo-*
** ooo---------------------o-**
** ooo---+---------------o-**
** ooo-----------------o-**
* ooo---------------o-*
** oooo------------o**
* oooo--------o-*
* P oooo----oo*
** ooooo**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 2 2 0 0 1 0 0
r-comp: 0 0 0 0 1 1 1 0 0 0 0 0
t-comp: 0 0 1 0 0 1 1 0 0 1 0 0
Total number of traces used = 14
number of runs = 3
starttime = Sun Mar 2 20:04:12 MST 2008
endtime = Sun Mar 2 20:13:23 MST 2008
inversion time = Sun Mar 2 20:13:06 MST 2008 - Sun Mar 2 20:13:22 MST 2008
Solution produced by inversion of channels with var red > 2%
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