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title

ASSESSMENT OF FINITE FAULT PLANE GEOMETRY IN MEGATHRUST EARTHQUAKE

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 28
Year: 2019
COI code: SEE08_009
Paper Language: English

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Authors ASSESSMENT OF FINITE FAULT PLANE GEOMETRY IN MEGATHRUST EARTHQUAKE

  Ali Noruzi Arkavini - M.Sc., Department of Civil Engineering, Faculty of Engineering, Arak University, Arak, Iran
  Mehdi Mousavi - Associate Professor, Department of Civil Engineering, Faculty of Engineering, Arak University, Arak, Iran
  Ali Farhadi - PhD Candidate, Department of Civil Engineering, University of Memphis, Memphis, United states
  Mohammad Reza Amini - M.Sc., Department of Civil Engineering, Faculty of Engineering, Arak University, Arak, Iran

Abstract:

There is a noticeable uncertainty in using different finite fault source models for calculation of closest distance to the rupture plane (Rrup). Accordingly using different finite fault source models have significant effects on seismic hazard analysis. This study investigates the performance of eight finite fault source models in seismic hazard analysis for 2011 M9.0 Tohoku. First and foremost for each of proposed models event specific GMPE with optimized coefficient based on Genetic Algorithm developed. Then implementing the likelihood (LH) and log-likelihood methods, as modern LH-based ranking assessment techniques, available finite fault source models for 2011 M9.0 Tohoku have been ranked. The results suggest that developed GMPEs for SMGA-based models show more consistency with recorded data than non-SMGA-based models in shorter distance as well as short periods. In greater distance from fault plane non-SMGA-based lead to less uncertainty. It is noteworthy that there is no meaningful difference between models in same group.

Keywords:

Uncertainties, Finite fault source models, Event specific GMPE, Likelihood, Log-likelihood

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COI code: SEE08_009

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Noruzi Arkavini, Ali; Mehdi Mousavi; Ali Farhadi & Mohammad Reza Amini, 2019, ASSESSMENT OF FINITE FAULT PLANE GEOMETRY IN MEGATHRUST EARTHQUAKE, 8th International Conference on Seismology and Earthquake Engineering, تهران, پژوهشگاه بين‌المللي زلزله‌شناسي و مهندسي زلزله, https://www.civilica.com/Paper-SEE08-SEE08_009.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Noruzi Arkavini, Ali; Mehdi Mousavi; Ali Farhadi & Mohammad Reza Amini, 2019)
Second and more: (Noruzi Arkavini; Mousavi; Farhadi & Amini, 2019)
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Type: state university
Paper No.: 2903
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