Coupled mechano-electrokinetic Burridge-Knopoff model of fault sliding events and transient geoelectric signals

We introduce the first fully self-consistent numerical model combining seismic micro-ruptures, occurring within a generalized Burridge-Knopoff spring-block model, with the nucleation and propagation of electric charge pulses within a coupled mechano-electrokinetic system. This model provides a gener...

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Bibliographic Details
Published in:The European physical journal. ST, Special topics Special topics, 2021, Vol.230 (1), p.67-84
Main Authors: Chen, Hong-Jia, Chen, Chien-Chih, Ouillon, Guy, Sornette, Didier
Format: Article
Language:English
Subjects:
Anomalies
Atomic
Classical and Continuum Physics
Condensed Matter Physics
Electric fields
Electrokinetics
Geoelectricity
Materials Science
Measurement Science and Instrumentation
Molecular
Nucleation
Numerical models
Optical and Plasma Physics
Physics
Physics and Astronomy
Power spectra
Pulse propagation
Regular Article
Seismic activity
The Global Earthquake Forecasting System: Towards Using Non-seismic Precursors for the Prediction of Large Earthquakes
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Summary:We introduce the first fully self-consistent numerical model combining seismic micro-ruptures, occurring within a generalized Burridge-Knopoff spring-block model, with the nucleation and propagation of electric charge pulses within a coupled mechano-electrokinetic system. This model provides a general theoretical framework for modeling and analyzing geoelectric anomalies to earthquakes. In particular, it is able to reproduce the unipolar pulses that have often been reported before large seismic events, as well as various previously reported anomalies in the statistical moments of the ambient electric fields and the shape of their power spectra.
ISSN:1951-6355
1951-6401
DOI:10.1140/epjst/e2020-000245-x