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Dynamic Shear Rupture in Frictional Interfaces: Speeds, Directionality, and Modes

Rosakis, A. J. and Xia, K. and Lykotrafitis, G. and Kanamori, H. (2007) Dynamic Shear Rupture in Frictional Interfaces: Speeds, Directionality, and Modes. In: Reference Module in Earth Systems and Environmental Sciences. Treatise on Geophysics (Second Edition). Vol.4. Elsevier , Amsterdam, pp. 183-213. ISBN 978-0-12-409548-9.

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The goal in designing dynamic frictional experiments simulating earthquake rupture has been to create a testing environment or platform which could reproduce some of the basic physics governing the rupture dynamics of crustal earthquakes while preserving enough simplicity so that clear conclusions can be obtained by pure observation. In this chapter, we first review past and recent experimental work on dynamic shear rupture propagation along frictional interfaces. The early experimental techniques are discussed in relation to recent experimental simulations of earthquakes which feature advanced diagnostics of high temporal and spatial resolution. The high-resolution instrumentation enables direct comparison between the experiments and data recorded during natural earthquakes. The experimental results presented in this chapter are examined in light of seismological observations related to various natural large rupture events and of recent theoretical and numerical development in the understanding of frictional rupture. In particular, the physics and conditions leading to phenomena such as supershear rupture growth, sub-Rayleigh to supershear rupture transition, and rupture directionality in inhomogeneous systems are discussed in detail. Finally, experiments demonstrating the attainability of various rupture modes (crack-like, pulse-like, and mixed) are presented and discussed in relation to theoretical and numerical predictions.

Item Type:Book Section
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URLURL TypeDescription
Rosakis, A. J.0000-0003-0559-0794
Kanamori, H.0000-0001-8219-9428
Additional Information:© 2007 Elsevier B.V. This chapter is reproduced from the previous edition, Volume 4, pp. 153–192. The authors gratefully acknowledge the support of NSF (Grant EAR 0207873), the US Department of Energy (Grant DE-FG52-06NA 26209), and the consistent support of the Office of Naval Research (Grant N00014-03-1-0435) and MURI (Grant N000140610730) through Dr. Y.D.S. Rajapakse, Program Manager.
Funding AgencyGrant Number
NSFEAR 0207873
Department of Energy (DOE)DE-FG52-06NA 26209
Office of Naval Research (ONR)N00014-03-1-0435
Office of Naval Research (ONR)N00014-06-10730
Subject Keywords:Homogeneous and bimaterial system; Laboratory earthquakes; Particle velocimetry; Photoelasticity; Rupture directionality; Rupture modes; Sub-Rayleigh to supershear transition; Supershear earthquake rupture
Series Name:Treatise on Geophysics (Second Edition)
Record Number:CaltechAUTHORS:20160726-082744533
Persistent URL:
Official Citation:A.J. Rosakis, K. Xia, G. Lykotrafitis and H. Kanamori, 4.08 - Dynamic Shear Rupture in Frictional Interfaces: Speeds, Directionality, and Modes, In Treatise on Geophysics (Second Edition), edited by Gerald Schubert,, Elsevier, Oxford, 2007, Pages 183-213, ISBN 9780444538031, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:69214
Deposited By: Tony Diaz
Deposited On:26 Jul 2016 20:02
Last Modified:11 Nov 2021 04:10

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