Scaling of Earthquake Models with Inhomogeneous Stress Dissipation

Details Scaling of Earthquake Models with Inhomogeneous Stress Dissipation Scaling of Earthquake Models with Inhomogeneous Stress Dissipation

2011-01-18

arxiv.org/abs/1101.3584v1

Physics

Geophysics

Scientific paper

Natural earthquake fault systems are highly non-homogeneous. The inhomogeneities occur be- cause the earth is made of a variety of materials which hold and dissipate stress differently. In this work, we study scaling in earthquake fault models which are variations of the Olami-Feder- Christensen (OFC) and Rundle-Jackson-Brown (RJB) models. We use the scaling to explore the effect of spatial inhomogeneities due to damage and inhomogeneous stress dissipation in the earthquake-fault-like systems when the stress transfer range is long, but not necessarily longer than the length scale associated with the inhomogeneities of the system. We find that the scaling depends not only on the amount of damage, but also on the spatial distribution of that damage.

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