Seismic risk analysis based on strain energy accumulation in focal region

M. Suzuki; Y. Ozaka

doi:10.6028/jres.099.040

Seismic risk analysis based on strain energy accumulation in focal region

M. Suzuki, Y. Ozaka

ENG - Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The paper proposes a stochastic method for evaluating the magnitude of future earthquakes taking account of nonstationarity in earthquake occurrence. The strain energy accumulation in the focal region was estimated by means of the earthquake data of the past 100 years in Japan. The distributions of maximum ground acceleration were derived by means of the attenuation law. The distributions of maximum ground acceleration fit the type III extreme value distributions and the expected values of those distributions depend on the strain energy accumulation significantly. Finally, it is pointed out that the nonstationarity in earthquake occurrence should be taken into consideration in order to evaluate the earthquake load in design. -from Authors

Original language	English
Pages (from-to)	421-434
Number of pages	14
Journal	Journal of Research - National Institute of Standards & Technology
Volume	99
Issue number	4
DOIs	https://doi.org/10.6028/jres.099.040
Publication status	Published - 1994

ASJC Scopus subject areas

Engineering(all)

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AB - The paper proposes a stochastic method for evaluating the magnitude of future earthquakes taking account of nonstationarity in earthquake occurrence. The strain energy accumulation in the focal region was estimated by means of the earthquake data of the past 100 years in Japan. The distributions of maximum ground acceleration were derived by means of the attenuation law. The distributions of maximum ground acceleration fit the type III extreme value distributions and the expected values of those distributions depend on the strain energy accumulation significantly. Finally, it is pointed out that the nonstationarity in earthquake occurrence should be taken into consideration in order to evaluate the earthquake load in design. -from Authors

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Seismic risk analysis based on strain energy accumulation in focal region

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