Seismic Hazard Indicators in Japan based on Seismic Noise Properties

Lyubushin, A.A.

Автор: Lyubushin A.A.
Журнал: Journal of Earth and Environmental Sciences Research
Том: 5
Номер: 8
Год издания: 2023
Издательство: Scientific Research and Community
Местоположение издательства: England
Первая страница: 1
Последняя страница: 8
DOI: 10.47363/JEESR/2023(5)199
Аннотация: The seismic noise recorded at the network of stations in Japan for more than 26 years (1997 - March 2023) is being investigated. The article is a continuation of the number of works in which the analysis was performed for 1997 - March 2021. New data for 2 years of follow-up observations, combined with a new approach to their analysis, provided additional opportunities to test a number of hypotheses regarding the presence of features in the properties of seismic noise that precede the release of seismic energy. The analysis is based on the use of the wavelet-based Donoho-Johnstone index, as a property of noise waveforms, the use of an auxiliary network of reference points, the estimation of spatial correlations of noise properties, and the relationship of the seismic noise response to the irregular rotation of the Earth with the flow of seismic events in the vicinity of the Japanese Islands by using a parametric model of interacting point processes.Keywords: seismic noise, wavelet analysis, entropy, Donoho-Johnston index, correlations, interaction of point processes, irregularity of the Earth's rotation.
Добавил в систему: Любушин Алексей Александрович

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Seismic Hazard Indicators in Japan based on Seismic Noise Propertiesстатья

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