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The article considers an algorithm for monitoring the variations of spatial distributions of seismic energy before a strong earthquake in its epicenter area with the use of multifractal methods for data processing. The algorithm was applied to analyse the process of preparation of the Bodrum-Kos earthquake (Aegean Sea, 2017, M = 6.6). 16 f(a)-spectra of multifractal fields, modelling successive stages of this process, were obtained. The analysis was based on the ISC-catalog seismic data with the help of a sliding time window for the last 10 years before this earthquake. The growth of unfoldment and variations of asymmetry of f(a)-spectra before the Bodrum-Kos earthquake were found. The quantitative characteristics of the observed effects are proposed, along with their physical interpretation.

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Evolution of Multifractal Structure of Spatial Distributions of Seismic Energy in Epicentral Area of Forthcoming Strong Earthquake

  • 会议论文

  • 发表日期：

    2025年

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  • I. R. Stakhovsky

摘要

The article considers an algorithm for monitoring the variations of spatial distributions of seismic energy before a strong earthquake in its epicenter area with the use of multifractal methods for data processing. The algorithm was applied to analyse the process of preparation of the Bodrum-Kos earthquake (Aegean Sea, 2017, M = 6.6). 16 f(a)-spectra of multifractal fields, modelling successive stages of this process, were obtained. The analysis was based on the ISC-catalog seismic data with the help of a sliding time window for the last 10 years before this earthquake. The growth of unfoldment and variations of asymmetry of f(a)-spectra before the Bodrum-Kos earthquake were found. The quantitative characteristics of the observed effects are proposed, along with their physical interpretation.