[rCMT] Mw=6.8 ANTOFAGASTA, CHILE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Thu Nov 15 15:48:21 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007jta2 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 3 11
Original location (lat,lon,depth) : -22.7000 -70.2000 38
Moment tensor (x1.e26 dyncm) :
Mrr : 0.714497 Mtt : 0.000490
Mff : -0.714987 Mrt : -1.088083
Mrf : -1.117532 Mtf : 0.156424
T-axis: moment= 1.899 plunge= 52.486 azimuth= 142.798
N-axis: moment= -0.435 plunge= 14.298 azimuth= 33.410
P-axis: moment= -1.464 plunge= 33.823 azimuth= 293.579
best double couple: Mo= 1.681(x1.e26 dyncm) Mw=6.8 tau= 6.6
nodal planes (strike/dip/slip): 338.77/ 17.35/ 34.11 215.89/ 80.37/104.51
Centroid location : -23.309 -70.339 10.000
Centroid time : 7.407
Variance reduction (%) : 14
***********
****o ooooooo****
*** oooo ***
** oooo **
** oo ooo **
* oo oo *
* ooo--------oo *
** P oo-----------oo-**
* ooo-------------o--*
** oo---------------oo-**
** oo-+---------------o-**
** ooo------------------o-**
* oo-------------------oo-*
** oo--------------------o-**
* oo-----------T--------oo-*
* oo---------------------o-*
** oo--------------------oo**
** o--------------------oo**
***------------------o***
****-----------****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 0 0 0 4 1 0 1 0 0
r-comp: 0 0 0 0 0 1 3 1 0 1 0 0
t-comp: 0 0 0 0 0 1 2 1 0 0 0 0
Total number of traces used = 17
number of runs = 3
starttime = Thu Nov 15 08:40:32 MST 2007
endtime = Thu Nov 15 08:48:17 MST 2007
inversion time = Thu Nov 15 08:48:07 MST 2007 - Thu Nov 15 08:48:17 MST 2007
Solution produced by inversion of channels with var red > 2%
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