Scaling relation for earthquake networks

Details Scaling relation for earthquake networks Scaling relation for earthquake networks

2008-04-22

arxiv.org/abs/0804.3510v1

Physics

Geophysics

14 pages, 3 figures, 1 table

Scientific paper

10.1016/j.physa.2009.02.022

The scaling relation derived by Dorogovtsev, Goltsev, Mendes and Samukhin [Phys. Rev. E, 68 (2003) 046109] states that the exponents of the power-law connectivity distribution, gamma, and the power-law eigenvalue distribution of the adjacency matrix, delta, of a locally treelike scale-free network satisfy 2*gamma - delta = 1 in the mean field approximation. Here, it is shown that this relation holds well for the reduced simple earthquake networks (without tadpole-loops and multiple edges) constructed from the seismic data taken from California and Japan. The result is interpreted from the viewpoint of the hierarchical organization of the earthquake networks.

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