[rCMT] (Update) Mw=6.5 BIO-BIO, CHILE
USGS research CMT
researchcmt at geohazards.usgs.gov
Wed Jul 14 16:09:33 UTC 2010
More data added resulting in larger dip angle and smaller moment
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General region : 2010yupd BIO-BIO, CHILE
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ARU BFO CASY COR CTAO DGAR ESK FFC GNI HKT INCN KEV KIP KIV KMBO KONO KURK LSZ MAJO OTAV PET PMG PM
Origin time: 2010 195 8 32 22
Original location (lat,lon,depth) : -38.0000 -73.3000 28
Moment tensor (x1.e26 dyncm) :
Mrr : 0.360174 Mtt : -0.024001
Mff : -0.336173 Mrt : -0.065469
Mrf : -0.563588 Mtf : -0.013559
T-axis: moment= 0.678 plunge= 60.723 azimuth= 98.466
N-axis: moment= -0.025 plunge= 1.662 azimuth= 5.498
P-axis: moment= -0.654 plunge= 29.221 azimuth= 274.568
best double couple: Mo= 0.666(x1.e26 dyncm) Mw=6.5 tau= 4.8
nodal planes (strike/dip/slip): 359.63/ 15.85/ 83.90 185.97/ 74.24/ 91.73
Centroid location : -37.819 -73.543 27.267
Centroid time : 7.612
Variance reduction (%) : 48
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**** oo--oo****
*** o------ooo***
** oo---------oo-**
** oo------------oo**
* o--------------oo-*
* oo---------------oo-*
** o-----------------o-**
* o-----------------oo-*
** P oo------------------o-**
** o---+---------------o-**
** o----------T--------o-**
* o------------------oo-*
** o------------------o-**
* o-----------------oo-*
* o----------------oo-*
** o---------------oo**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 1 4 2 5 3 4 4 4 0 2 2
r-comp: 1 0 0 2 1 0 0 2 1 0 1 0
t-comp: 1 0 0 1 1 0 2 1 0 0 1 1
Total number of traces used = 48
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