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GEOREF RECORD

Fault rupture and surface deformation; defining the hazard

Abstract

Surface fault rupture can be a complex phenomenon involving brittle fracture and closely associated deformation. In order to characterize the hazard to structures from surface rupture it is the task of the geologist to identify where rupture and related deformation have occurred as well as the style and magnitude of past displacements and to interpret these data so as to anticipate future fault rupture. To extrapolate this information from the data that are preserved or discovered in investigations requires an appreciation of the variety of surface rupture processes and expression. This paper looks at the problem in terms of three questions one must ask: 1) Where should fault rupture and deformation be anticipated?; 2) How much slip, and in what sense, should be anticipated?; and 3) How should the hazard be addressed when data are incomplete? It is concluded that there will remain a number of uncertainties in the assessment of future fault rupture and that mitigation strategies must include a sufficient margin of safety to accommodate these uncertainties.


ISSN: 1078-7275
EISSN: 1558-9161
Coden: ENGEA9
Serial Title: Environmental & Engineering Geoscience
Serial Volume: 16
Serial Issue: 1
Title: Fault rupture and surface deformation; defining the hazard
Author(s): Treiman, Jerome A.
Affiliation: California Geological Survey, Los Angeles, CA, United States
Pages: 19-30
Published: 201002
Text Language: English
Publisher: Association of Environmental & Engineering Geologists and The Geological Society of America, College Station, TX, United States
References: 28
Accession Number: 2010-050091
Categories: Environmental geologyStructural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
N32°30'00" - N42°00'00", W124°30'00" - W114°15'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Association of Engineering Geologists and the Geological Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201027
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