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The paper proposes the method of structural analysis of the seismic flux in the focal area of a strong earthquake, applied to study the preparation process of the Pedro Bay earthquake (Alaska, 24.01.2016, M = 7.1). The method includes the use of the sliding time window and multifractal analysis of seismic data. 19 spatial distributions of seismic energy, characterizing the development of the Pedro Bay earthquake preparation process in time over 20 years, were studied. It is shown, that as the seismogenerating system approaches the moment of strong earthquake, the structure of the seismic flux experiences significant changes. The quantitative characteristics of the detected effects, as well as their physical interpretation are proposed.

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Multifractal Analysis of Seismic Energy Spatial Distributions in the Process of Preparation of the Pedro Bay Earthquake (Alaska, 2016, М = 7.1)

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  • 发表日期：

    2026年

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  • I. R. Stakhovsky

摘要

The paper proposes the method of structural analysis of the seismic flux in the focal area of a strong earthquake, applied to study the preparation process of the Pedro Bay earthquake (Alaska, 24.01.2016, M = 7.1). The method includes the use of the sliding time window and multifractal analysis of seismic data. 19 spatial distributions of seismic energy, characterizing the development of the Pedro Bay earthquake preparation process in time over 20 years, were studied. It is shown, that as the seismogenerating system approaches the moment of strong earthquake, the structure of the seismic flux experiences significant changes. The quantitative characteristics of the detected effects, as well as their physical interpretation are proposed.