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Probabilistic seismic hazard analysis for a nuclear power plant site in southeast Brazil

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Title: Probabilistic seismic hazard analysis for a nuclear power plant site in southeast Brazil
Authors: De Almeida, AAD
Assumpção, M
Bommer, JJ
Drouet, S
Riccomini, C
Prates, CLM
Item Type: Journal Article
Abstract: A site-specific probabilistic seismic hazard analysis (PSHA) has been performed for the only nuclear power plant site in Brazil, located 130 km southwest of Rio de Janeiro at Angra dos Reis. Logic trees were developed for both the seismic source characterisation and ground-motion characterisation models, in both cases seeking to capture the appreciable ranges of epistemic uncertainty with relatively few branches. This logic-tree structure allowed the hazard calculations to be performed efficiently while obtaining results that reflect the inevitable uncertainty in long-term seismic hazard assessment in this tectonically stable region. An innovative feature of the study is an additional seismic source zone added to capture the potential contributions of characteristics earthquake associated with geological faults in the region surrounding the coastal site.
Issue Date: Jan-2019
Date of Acceptance: 6-May-2018
URI: http://hdl.handle.net/10044/1/60685
DOI: https://dx.doi.org/10.1007/s10950-018-9755-8
ISSN: 1383-4649
Publisher: Springer Science+Business Media B.V., part of Springer Nature
Start Page: 1
End Page: 23
Journal / Book Title: Journal of Seismology
Volume: 23
Issue: 1
Copyright Statement: © 2018 Springer Science+Business Media B.V., part of Springer Nature. The final publication is available at Springer via https://dx.doi.org/10.1007/s10950-018-9755-8
Keywords: Science & Technology
Physical Sciences
Geochemistry & Geophysics
Probabilistic seismic hazard analysis
Diffuse seismicity
Seismogenic faults
Backbone GMPE
Disaggregation
MAGNITUDE
EARTHQUAKE
UNCERTAINTY
MECHANISMS
PARAMETERS
SELECTION
MODELS
MARGIN
RISK
SE
Geochemistry & Geophysics
0404 Geophysics
Publication Status: Published
Online Publication Date: 2018-05-30
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering
Geotechnics



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