NDLI: Modeling the dynamics of block-and-fault systems and seismicity

Content Provider	Springer Nature Link
Author	Soloviev, A. A.
Copyright Year	2013
Abstract	A model of block-and-fault system dynamics (a block model) has been developed to analyze how the basic features of seismicity depend on the lithosphere structure in a region under consideration and on the peculiarities of the lithosphere dynamics. The lithosphere in the region is modeled by a system of perfectly rigid blocks divided by infinitely thin fault planes. The viscoelastic interaction between the blocks and with the underlying medium is specified. Displacements and rotations of the blocks at each time are determined so that the whole block system is in a quasi-static equilibrium state. When the ratio of the stress to the pressure exceeds the critical level in some part of a fault zone, a stress drop occurs that is considered in the model as an earthquake. The paper contains a review of results obtained by numerical simulation of the dynamics of different block structures including the structures approximating the lithosphere structure in specific seismic regions. These results suggest that the block model is a useful tool for studying the influence of geometry of faults and motions of blocks on seismicity features.
Starting Page	158
Ending Page	173
Page Count	16
File Format	PDF
ISSN	00815438
Journal	Proceedings of the Steklov Institute of Mathematics
Volume Number	280
Issue Number	1
e-ISSN	15318605
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2013-04-06
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	block structure dynamics seismicity numerical simulation lithosphere structure Mathematics
Content Type	Text
Resource Type	Article
Subject	Mathematics

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