Nonextensivity measure for earthquake networks

Nastaran Lotfi and Amir H. Darooneh

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 14, 3061-3065

Abstract: Studying earthquakes and the associated geodynamic processes based on the complex network theory enables us to learn about the universal features of the earthquake phenomenon. In addition, we can determine new indices for identification of regions geophysically. It was found that earthquake networks are scale free and its degree distribution obeys the power law. Here we claim that the q-exponential function is better than power law model for fitting the degree distribution. We also study the behavior of q parameter (nonextensivity measure) with respect to resolution. It was previously asserted in Eur. Phys. J. B (2012) 85: 23; that the topological characteristics of earthquake networks are dependent on each other for large values of the resolution. A peak in the plot of q against resolution determines the beginning of the assertion range.

Keywords: Complex network; Degree distribution; Earthquake; Nonextensive statistical mechanics; q-exponential (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:14:p:3061-3065

DOI: 10.1016/j.physa.2013.03.010

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