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Probabilistic Fault Displacement Hazard Analysis for Reverse Faults

Moss, Robb Eric S. and Ross, Zachary E. (2011) Probabilistic Fault Displacement Hazard Analysis for Reverse Faults. Bulletin of the Seismological Society of America, 101 (4). pp. 1542-1553. ISSN 0037-1106. doi:10.1785/0120100248.

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We present a methodology for evaluating potential surface fault displacement due to reverse faulting events in a probabilistic manner. This methodology, called probabilistic fault displacement hazard analysis (PFDHA) follows procedures that were originally applied to normal faulting. We present empirical distributions for surface rupture, maximum and average displacement, spatial variability of slip, and other random variables that are central to performing PFDHA for reverse faults. Additionally, a sensitivity analysis is conducted on all independent variables in the PFDHA procedure. The Los Osos fault zone of central California is used as the test case, and results are presented in the form of a hazard curve. The influence each of the variables has on a hazard curve is quantified to provide direction for future research in PFDHA. It is seen that a distribution for slip spatial variability is the least influential term in the procedure, and a term for the probability of surface rupture has the most influence.

Item Type:Article
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Ross, Zachary E.0000-0002-6343-8400
Additional Information:© 2011 Seismological Society of America. Manuscript received 14 September 2010. We thank the reviewers for their constructive comments and suggestions on this paper. This material is based on work supported by the U.S. Department of Homeland Security under Grant Award Number 2008-ST-061-ND0001. Administration of this grant is conducted through the Department of Homeland Security Center of Excellence for Natural Disasters, Coastal Infrastructure, and Emergency Management (DIEM). The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Department of Homeland Security. Data and Resources: All data used in this paper came from published sources listed in the references.
Group:Seismological Laboratory
Funding AgencyGrant Number
Department of Homeland Security2008-ST-061-ND0001
Issue or Number:4
Record Number:CaltechAUTHORS:20190423-155307396
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Official Citation:Robb Eric S. Moss, Zachary E. Ross; Probabilistic Fault Displacement Hazard Analysis for Reverse Faults. Bulletin of the Seismological Society of America ; 101 (4): 1542–1553. doi:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94907
Deposited By: George Porter
Deposited On:24 Apr 2019 14:41
Last Modified:16 Nov 2021 17:08

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