Simulation Study of Spatiotemporal Correlations of Earthquakes as a Stick-Slip Frictional Instability
- 7 February 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 94 (5), 058501
- https://doi.org/10.1103/physrevlett.94.058501
Abstract
Spatiotemporal correlations of earthquakes are studied numerically on the basis of the one-dimensional spring-block (Burridge-Knopoff) model. As large events approach, the frequency of smaller events gradually increases, while, just before the mainshock, it is dramatically suppressed in a close vicinity of the epicenter of the upcoming mainshock, a phenomenon closely resembling the “Mogi doughnut.”Keywords
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