Phys. Rev. Lett. 87, 148501 (2001) [4 pages]

Nonlinear Network Dynamics on Earthquake Fault Systems

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Paul B. Rundle1 *, John B. Rundle2 , Kristy F. Tiampo3, Jorge S. Sa Martins3, Seth McGinnis3, and W. Klein4,4b
1Fairview High School, Bolder, Colorado 80309
2Colorado Center for Chaos & Complexity, CIRES, and Department of Physics, CB 216, University of Colorado, Boulder, Colorado 80309
3Colorado Center for Chaos & Complexity and CIRES, CB 216, University of Colorado, Boulder, Colorado 80309
4aDepartment of Physics, Boston University, Boston, Massachusetts 02215
4band Center for Nonlinear Science, Los Alamos National Laboratory, Los Alamos, New Mexico 87545

Received 6 October 2000; revised 16 July 2001; published 14 September 2001

Earthquake faults occur in interacting networks having emergent space-time modes of behavior not displayed by isolated faults. Using simulations of the major faults in southern California, we find that the physics depends on the elastic interactions among the faults defined by network topology, as well as on the nonlinear physics of stress dissipation arising from friction on the faults. Our results have broad applications to other leaky threshold systems such as integrate-and-fire neural networks.


©2001 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v87/e148501
DOI: 10.1103/PhysRevLett.87.148501
PACS: 91.30.Px, 05.65.+b, 84.35.+i, 91.60.Ba

* Present address: Harvey Mudd College, Claremont, CA 91711.
Distinguished visiting scientist at Jet Propulsion Laboratory, Pasadena, CA 91125.

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