Avalanche dynamics of a generalized earthquake model

Gui-Qing Zhang, Jordi Baró, Fang-Yin Cheng, He Huang and Lin Wang

Physica A: Statistical Mechanics and its Applications, 2019, vol. 525, issue C, 1463-1471

Abstract: Avalanche dynamics of the Olami–Feder–Christensen (OFC) models have been extensively studied using various topology of networks. Existing works generally assume that the seismic energy is transmitted between nearest neighbors, whereas the real-world structure of tectonic plates allows the existence of long-range connections between next nearest neighbors. Here we propose a generalized OFC model to investigate the effects of avalanche dynamics through both the nearest and next nearest neighbors in the regular lattice. We find that the global parameter αij and weighted distribution mediate the power law exponent of avalanche size distribution τs(τtd), whereas the local parameter σ mediates the exponential cutoff Sc(tdc). Moreover, we find the Allan-Like and Fano-Like factors both exhibit power-law behaviors which can be seen as another feature of self-organized criticality.

Keywords: Avalanche dynamics; Earthquake model; Scaling behavior; Next nearest neighbor; Self-organized criticality (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:525:y:2019:i:c:p:1463-1471

DOI: 10.1016/j.physa.2019.04.025

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