Spatio-temporal analysis of East Asian seismic zones based on multifractal theory

نویسندگان

چکیده

Abstract In this article, the integrity of seismic catalog obtained (1970–2014, M > 2.8) was verified according to Gutenberg–Richter relation, appropriate minimum magnitude determined, and whole region divided into five areas geological structure background research object trend historical zone. We applied multifractal analysis in each partition. The results showed that although different backgrounds, before major earthquakes, earthquake time series information dimension had degrees growth, parameter after flame decline. To a certain extent, reflected energy accumulation release process. addition, variation fractal parameters scale-free regions spatial distribution also indicated these two kinds sequences show characteristics rather than single uniform structure.

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ژورنال

عنوان ژورنال: Open Geosciences

سال: 2022

ISSN: ['2391-5447']

DOI: https://doi.org/10.1515/geo-2022-0361