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Mechanics of earthquakes

Kanamori, Hiroo (1994) Mechanics of earthquakes. Annual Review of Earth and Planetary Sciences, 22 . pp. 2207-237. ISSN 0084-6597. http://resolver.caltech.edu/CaltechAUTHORS:KANareps94

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Abstract

An earthquake is a sudden rupture process in the Earth’s crust or mantle caused by tectonic stress. To understand the physics of earthquakes it is important to determine the state of stress before, during, and after an earthquake. There have been significant advances in seismology during the past few decades, and some details on the state of stress near earthquake fault zones are becoming clearer. However, the state of stress is generally inferred indirectly from seismic waves which have propagated through complex structures. The stress parameters thus determined depend on the specific seismological data, methods, and assumptions used in the analysis,and must be interpreted carefully. This paper reviews recent seismological data pertinent to this subject,and presents simple mechanical models for shallow earthquakes. Scholz(1989), Brune (1991), Gibowicz (1986), and Udias (1991) recently this subject from a different perspective, and we will try to avoid duplication with these papers as much as possible. Because of the limited space,available, this review is not intended to be an exhaustive summary of the literature, but reflects the author’s own view on the subject.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1146/annurev.ea.22.050194.001231DOIUNSPECIFIED
http://arjournals.annualreviews.org/toc/earth/22/1PublisherUNSPECIFIED
Additional Information:"Reprinted, with permission, from the Annual Review of Earth and Planetary Sciences, Volume 22 copyright 1994 by Annual Reviews, www.annualreviews.org" I benefited from discussions with Tom Heaton, Don Anderson, Masayuki Kikuchi, Takeshi Mikumo, Larry Ruff, and Dave Wald. This paper was built upon many hours of discussions during the Coffee Break of the Seismological Laboratory. I thank all the participants. This research was partially supported by the U.S. Geological Survey Grant 14-08-0001-G1774. This paper is Contribution No. 5214, Division of Geological and Planetary Sciences, California Institute of Technology.
Funders:
Funding AgencyGrant Number
U.S. Geological Survey14-08-0001- G1774
Subject Keywords:stress drop, static stress drop, dynamic stress drop, kinetic friction
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Division of Geological and Planetary Sciences Contribution5214
Record Number:CaltechAUTHORS:KANareps94
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KANareps94
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:547
Collection:CaltechAUTHORS
Deposited By: Jim O'Donnell
Deposited On:22 Aug 2008 02:50
Last Modified:26 Dec 2012 08:40

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