Simulation of the Burridge-Knopoff Model of Earthquakes with Variable Range Stress Transfer

Abstract

Simple models of earthquake faults are important for understanding the mechanisms for their observed behavior, such as Gutenberg-Richter scaling and the relation between large and small events, which is the basis for various forecasting methods. Although cellular automaton models have been studied extensively in the long-range stress transfer limit, this limit has not been studied for the Burridge-Knopoff model, which includes more realistic friction forces and inertia. We find that the latter model with long-range stress transfer exhibits qualitatively different behavior than both the long-range cellular automaton models and the usual Burridge-Knopoff model with nearest neighbor springs, depending on the nature of the velocity-weakening friction force. This result has important implications for our understanding of earthquakes and other driven dissipative systems.

arXiv comment4 pages, 5 figures, published on Phys. Rev. Lett

References in corpus (2)

• An Observational Test of the Critical Earthquake Concept
• Simulation study of spatio-temporal correlations of earthquakes as a stick-slip frictional instability

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