[rCMT] Mw=6.7 ANTOFAGASTA, CHILE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Thu Nov 15 16:03:16 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007jta4 ANTOFAGASTA, CHILE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM HKT OTAV PMSA RPN SJG TUC WCI
Origin time: 2007 319 15 15 50
Original location (lat,lon,depth) : -22.5000 -70.0000 26
Moment tensor (x1.e26 dyncm) :
Mrr : 0.309237 Mtt : 0.041615
Mff : -0.350852 Mrt : -0.668051
Mrf : -1.001493 Mtf : 0.190596
T-axis: moment= 1.362 plunge= 48.476 azimuth= 132.643
N-axis: moment= -0.229 plunge= 12.675 azimuth= 27.929
P-axis: moment= -1.133 plunge= 38.724 azimuth= 287.540
best double couple: Mo= 1.248(x1.e26 dyncm) Mw=6.7 tau= 6.0
nodal planes (strike/dip/slip): 320.14/ 13.65/ 21.64 209.06/ 85.01/102.72
Centroid location : -22.254 -70.362 10.000
Centroid time : 7.134
Variance reduction (%) : 0
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** oo ooo **
** oo ooo**
* o -------oo-*
* o----------oo-*
** oo------------oo**
* P oo--------------o-*
** oo---------------oo**
** oo+----------------o**
** oo------------------o**
* oo-------------------o*
** oo----------T--------o**
* oo--------------------o*
* o--------------------o*
** o--------------------**
** o-------------------o**
***oo-----------------***
****-----------****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 1 2 1 0 0 0 0
r-comp: 0 0 0 0 0 0 2 1 0 1 0 0
t-comp: 1 0 0 0 0 1 0 1 0 1 0 0
Total number of traces used = 12
number of runs = 6
starttime = Thu Nov 15 08:45:35 MST 2007
endtime = Thu Nov 15 09:03:12 MST 2007
inversion time = Thu Nov 15 09:03:01 MST 2007 - Thu Nov 15 09:03:11 MST 2007
Solution produced by inversion of channels with var red > 2%
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