[rCMT] Mw=6.3 KEP. MENTAWAI REGION, INDONESIA
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Feb 25 11:42:34 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008nwcd KEP. MENTAWAI REGION, IND
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK CTAO INCN KURK MAJO TLY ULN
Origin time: 2008 56 18 6 5
Original location (lat,lon,depth) : -2.40000 99.9000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.221923 Mtt : -0.116668
Mff : -0.105255 Mrt : 0.167099
Mrf : -0.215602 Mtf : 0.121172
T-axis: moment= 0.351 plunge= 64.488 azimuth= 58.115
N-axis: moment= 0.007 plunge= 4.465 azimuth= 318.698
P-axis: moment= -0.359 plunge= 25.063 azimuth= 226.606
best double couple: Mo= 0.355(x1.e26 dyncm) Mw=6.3 tau= 3.9
nodal planes (strike/dip/slip): 140.31/ 70.21/ 94.75 306.53/ 20.33/ 77.05
Centroid location : -2.841 99.469 38.889
Centroid time : 8.814
Variance reduction (%) : 28
***********
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**oo----------------oooo---**
**--o-------------------ooo--**
* -oo--------------------ooo--*
* o----------------------oo--*
** o----------------------oo-**
* oo------------T---------oo-*
** oo---------------------o-**
** oo----+---------------oo**
** oo--------------------o**
* ooo------------------o*
** ooo---------------o**
* ooo-------------o*
* P ooo----------o*
** oooo------**
** oooo--**
*** -***
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 1 2 0 0 0 0 0
r-comp: 0 0 1 0 1 3 2 0 0 0 0 0
t-comp: 0 0 1 0 0 2 1 0 0 0 0 0
Total number of traces used = 16
number of runs = 2
starttime = Mon Feb 25 11:35:55 MST 2008
endtime = Mon Feb 25 11:42:29 MST 2008
inversion time = Mon Feb 25 11:42:08 MST 2008 - Mon Feb 25 11:42:27 MST 2008
Solution produced by inversion of channels with var red > 2%
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