Gutenberg-Richter Scaling - A New Paradigm
C. A. Serino, K. F. Tiampo, and W. Klein

TL;DR
This paper proposes a new model for earthquake fault systems that explains Gutenberg-Richter scaling through a combination of undamaged and damaged fault models, linking fault structure to earthquake statistics.
Contribution
It introduces a novel paradigm that models fault systems as a mixture of damaged and undamaged lattice models to explain scaling behavior and regional variations in earthquake statistics.
Findings
Gutenberg-Richter scaling arises from fault system composition.
Damaged models alone do not exhibit clear scaling.
The combined system shows excellent scaling with a variable exponent.
Abstract
We introduce a new model for an earthquake fault system that is composed of non-interacting simple lattice models with different levels of damage denoted by . The undamaged lattice models () have Gutenberg-Richter scaling with a cumulative exponent , whereas the damaged models do not have well defined scaling. However, if we consider the "fault system" consisting of all models, damaged and undamaged, we get excellent scaling with the exponent depending on the relative frequency with which faults with a particular amount of damage occur in the fault system. This paradigm combines the idea that Gutenberg-Richter scaling is associated with an underlying critical point with the notion that the structure of a fault system also affects the statistical distribution of earthquakes. In addition, it provides a framework in which the variation, from one tectonic region to…
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