| Issue |
EPL
Volume 85, Number 3, February 2009
|
|
|---|---|---|
| Article Number | 39001 | |
| Number of page(s) | 6 | |
| Section | Geophysics, Astronomy and Astrophysics | |
| DOI | https://doi.org/10.1209/0295-5075/85/39001 | |
| Published online | 02 February 2009 | |
Scaling dynamics of seismic activity fluctuations
1
Grupo Mecánica Fractal, Instituto Politécnico Nacional - México D.F., Mexico
2
Instituto Mexicano de Petróleo, Eje Lázaro Cárdenas Norte - México D.F., Mexico
Corresponding author: abalankin@ipn.mx
Received:
17
November
2008
Accepted:
7
January
2009
We study the dynamics of the seismic activity in Mexico within a framework of dynamic scaling approach to time series fluctuations, recently suggested by Balankin (Phys. Rev. E, 76 (2007) 056120). We found that the relative seismic activity and the long-sampled fluctuations of seismic activity both display a self-affine invariance within a wide range of consecutive seismic evens. Furthermore, we found that the long-sampled fluctuations of seismic activity obey the dynamic scaling ansatz analogous to the Family-Vicsek dynamic scaling ansatz in the theory of kinetic roughening of moving interfaces. These findings imply that the records of recurrent seismic events possess hidden, long-term correlations associated with the scaling dynamics of seismic activity fluctuations.
PACS: 91.30.Ab – Theory and modeling, computational seismology / 89.75.Da – Systems obeying scaling laws / 95.75.Wx – Time series analysis, time variability
© EPLA, 2009
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