[rCMT] Mw=6.4 TARAPACA, CHILE
USGS research CMT
researchcmt at geohazards.usgs.gov
Mon Feb 4 10:42:59 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008naa1 TARAPACA, CHILE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM HKT OTAV RPN SDV SJG WCI
Origin time: 2008 35 17 1 30
Original location (lat,lon,depth) : -20.0000 -69.8000 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.306907 Mtt : -0.039544
Mff : -0.267363 Mrt : 0.155783
Mrf : -0.452136 Mtf : 0.026271
T-axis: moment= 0.580 plunge= 60.151 azimuth= 66.485
N-axis: moment= -0.045 plunge= 4.440 azimuth= 164.262
P-axis: moment= -0.536 plunge= 29.449 azimuth= 256.774
best double couple: Mo= 0.558(x1.e26 dyncm) Mw=6.4 tau= 4.6
nodal planes (strike/dip/slip): 359.91/ 16.06/106.25 163.04/ 74.59/ 85.39
Centroid location : -21.456 -68.799 37.189
Centroid time : -34.344
Variance reduction (%) : 28
***********
****o--------oo****
*** o------------ooo***
** o---------------oo-**
** o-----------------oo**
* oo-----------------oo-*
* o------------------oo-*
** o-------------------o-**
* oo------------------oo-*
** o---------T---------o-**
** oo--+---------------o-**
** o------------------o-**
* P oo----------------oo-*
** oo---------------o-**
* o--------------oo-*
* oo------------oo-*
** oo----------oo**
** oo-------oo-**
*** ooo--ooo***
**** oo****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 1 3 0 0 1 0 0
r-comp: 0 0 0 0 0 0 3 0 0 1 0 0
t-comp: 0 0 0 0 0 0 3 0 0 0 0 0
Total number of traces used = 12
number of runs = 4
starttime = Mon Feb 4 10:29:58 MST 2008
endtime = Mon Feb 4 10:42:54 MST 2008
inversion time = Mon Feb 4 10:42:38 MST 2008 - Mon Feb 4 10:42:53 MST 2008
Solution produced by inversion of channels with var red > 2%
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