[rCMT] Mw=6.0 SOUTH SANDWICH ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Apr 14 03:40:36 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008qva6 SOUTH SANDWICH ISLANDS RE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY KMBO NNA OTAV RPN SDV SUR TAU TSUM
Origin time: 2008 105 9 45 22
Original location (lat,lon,depth) : -56.0000 -28.2000 162
Moment tensor (x1.e26 dyncm) :
Mrr : -0.020340 Mtt : 0.055663
Mff : -0.035323 Mrt : -0.088053
Mrf : 0.012555 Mtf : 0.061787
T-axis: moment= 0.127 plunge= 28.377 azimuth= 161.366
N-axis: moment= -0.018 plunge= 38.523 azimuth= 276.837
P-axis: moment= -0.109 plunge= 38.422 azimuth= 45.995
best double couple: Mo= 0.118(x1.e26 dyncm) Mw=6.0 tau= 2.7
nodal planes (strike/dip/slip): 101.58/ 84.07/-51.23 198.91/ 39.15/-170.58
Centroid location : -56.164 -27.818 129.197
Centroid time : -5.295
Variance reduction (%) : 36
***********
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***---- ooo ***
**----- oooo **
**---- oo **
*---- oo *
*-- oo P *
** oo **
*oo oo *
** oooooo **
** oo oooooooo + **
** o ----ooooooooooo **
* o ------------------oooooooooo*
** o----------------------------**
* oo---------------------------*
* -o--------------------------*
** -oo-----------------------**
**--oo------------T--------**
***oo-----------------***
****-----------****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 2 0 0 3 0 0 0 1 0 1 0 0
r-comp: 1 0 0 0 0 0 0 1 1 0 0 0
t-comp: 0 0 0 1 0 0 0 2 1 1 0 0
Total number of traces used = 15
number of runs = 7
starttime = Mon Apr 14 04:22:47 MDT 2008
endtime = Mon Apr 14 04:40:33 MDT 2008
inversion time = Mon Apr 14 04:40:25 MDT 2008 - Mon Apr 14 04:40:32 MDT 2008
Solution produced by inversion of channels with var red > 2%
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