Development of Final A-Fault Rupture Models for WGCEP/ NSHMP Earthquake Rate Model 2

Field, Edward H.; Weldon, Ray J., II; Parsons, Thomas; Wills, Chris J.; Dawson, Timothy E.; Stein, Ross S.; Petersen, Mark D.

Abstract:

This appendix discusses how we compute the magnitude and rate of earthquake ruptures for the seven Type-A faults (Elsinore, Garlock, San Jacinto, S. San Andreas, N. San Andreas, Hayward-Rodgers Creek, and Calaveras) in the WGCEP/NSHMP Earthquake Rate Model 2 (referred to as ERM 2. hereafter). By definition, Type-A faults are those that have relatively abundant paleoseismic information (e.g., mean recurrence-interval estimates). The first section below discusses segmentation-based models, where ruptures are assumed be confined to one or more identifiable segments. The second section discusses an un-segmented-model option, the third section discusses results and implications, and we end with a discussion of possible future improvements. General background information can be found in the main report.

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USGS Numbered Series

ProdID:

81119

Citation Author:

Field, Edward H.; Weldon, Ray J., II; Parsons, Thomas; Wills, Chris J.; Dawson, Timothy E.; Stein, Ross S.; Petersen, Mark D.

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USGS Earthquake Hazards Program

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Version 1.0

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ENGLISH

Citation Larger Work Title:

Appendix G in The Uniform California Earthquake Rupture Forecast, Version 2 (UCERF 2)

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Citation Phsyical Description:

iii, 59 p.

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Prepared in cooperation with the California Geological Survey and the Southern California Earthquake Center

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Geological Survey (U.S.)

Citation Series:

Open-File Report

Citation Series Code:

OFR

Citation Series Number:

2007-1437-G

Citation Search Results Text:

Development of Final A-Fault Rupture Models for WGCEP/ NSHMP Earthquake Rate Model 2; 2008; OFR; 2007-1437-G; Appendix G in The Uniform California Earthquake Rupture Forecast, Version 2 (UCERF 2); Field, Edward H.; Weldon, Ray J., II; Parsons, Thomas; Wills, Chris J.; Dawson, Timothy E.; Stein, Ross S.; Petersen, Mark D.