[rCMT] Mw=6.0 BOUVET ISLAND REGION
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Tue May 1 14:31:16 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007buci BOUVET ISLAND REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ARU BFO CASY CCM COR CTAO DGAR ESK FFC HKT KEV KIP KIV KMBO KURK LSZ MA2 MAJO PET PMSA SDV SFJD SUR
Origin time: 2007 120 15 38 54
Original location (lat,lon,depth) : -53.5000 5.80000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.003858 Mtt : 0.030986
Mff : -0.027128 Mrt : 0.036237
Mrf : -0.137381 Mtf : -0.001416
T-axis: moment= 0.130 plunge= 46.339 azimuth= 66.690
N-axis: moment= 0.026 plunge= 6.733 azimuth= 163.796
P-axis: moment= -0.156 plunge= 42.872 azimuth= 260.088
best double couple: Mo= 0.143(x1.e26 dyncm) Mw=6.0 tau= 2.9
nodal planes (strike/dip/slip): 59.13/ 6.96/165.44 163.59/ 88.25/ 83.26
Centroid location : -53.158 6.342 14.210
Centroid time : 2.169
Variance reduction (%) : 16
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****-----------****
*** -o--------------***
** o----------------**
** o----------------**
* o------------------*
* o------------------o*
** o------------------**
* oo---------T--------*
** o------------------**
** o+-----------------**
** P o-----------------**
* oo---------------o*
** o--------------o**
* o------------oo*
*o o-----------oo*
** -o---------o**
**o -o-------oo**
***o --o--ooo***
****ooooooooooo****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 1 1 3 3 4 1 1 4 0 1 1
r-comp: 0 0 0 0 1 1 1 0 1 0 0 0
t-comp: 1 1 0 0 6 0 0 1 0 0 0 1
Total number of traces used = 35
number of runs = 1
starttime = Tue May 1 08:30:13 MDT 2007
endtime = Tue May 1 08:31:16 MDT 2007
inversion time = Tue May 1 08:31:09 MDT 2007 - Tue May 1 08:31:15 MDT 2007
Solution produced by inversion of channels with var red > 2%
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