[rCMT] Mw=6.9 ANTOFAGASTA, CHILE
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Thu Nov 15 15:52:08 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007jtaz 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 6 0
Original location (lat,lon,depth) : -22.9000 -70.1000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 1.472804 Mtt : -0.095082
Mff : -1.377723 Mrt : 0.452491
Mrf : -1.858212 Mtf : 0.227443
T-axis: moment= 2.427 plunge= 63.472 azimuth= 74.178
N-axis: moment= -0.060 plunge= 1.776 azimuth= 167.738
P-axis: moment= -2.367 plunge= 26.459 azimuth= 258.622
best double couple: Mo= 2.397(x1.e26 dyncm) Mw=6.9 tau= 7.4
nodal planes (strike/dip/slip): 353.02/ 18.61/ 95.57 167.14/ 71.48/ 88.13
Centroid location : -23.126 -70.758 24.351
Centroid time : 15.056
Variance reduction (%) : 49
***********
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** o---------------oo-**
* o----------------oo--*
* o-----------------oo--*
** o------------------oo-**
* o-------------------o--*
** oo---------T--------o--**
** o---+--------------o--**
** P o------------------o--**
* oo-----------------o--*
** o----------------oo-**
* oo---------------o--*
* oo-------------oo-*
** oo-----------oo**
** oo--------oo-**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 0 0 1 3 1 0 1 0 0
r-comp: 0 0 0 0 0 0 2 1 0 1 0 0
t-comp: 0 0 0 0 0 1 2 1 0 1 0 0
Total number of traces used = 16
number of runs = 1
starttime = Thu Nov 15 08:49:45 MST 2007
endtime = Thu Nov 15 08:52:04 MST 2007
inversion time = Thu Nov 15 08:51:49 MST 2007 - Thu Nov 15 08:52:03 MST 2007
Solution produced by inversion of channels with var red > 2%
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