文献类型：期刊文献

英文题名：Multifractal analysis of temporal and spatial characteristics of earthquakes in Eurasian seismic belt

作者：Chen, Jie[1];Wen, Leying[1];Bi, Chengjue[1];Liu, Zhixin[1];Liu, Xuan[2];Yin, Lirong[4];Zheng, Wenfeng[3]

机构：[1]Shaoxing Univ, Sch Life Sci, Shaoxing 312000, Peoples R China;[2]Univ Elect Sci & Technol China, Sch Publ Affairs & Adm, Chengdu 610054, Peoples R China;[3]Univ Elect Sci & Technol China, Sch Automat, Chengdu 610054, Peoples R China;[4]Louisiana State Univ, Dept Geog & Anthropol, Baton Rouge, LA 70803 USA

年份：2023

卷号：15

期号：1

外文期刊名：OPEN GEOSCIENCES

收录：SCI-EXPANDED(收录号：WOS:001003778200001)、、EI(收录号：20232514263589)、Scopus(收录号：2-s2.0-85162079794)、WOS

基金：Support by National College Students Innovation Training Program, 202110349021; Zhejiang College Students Science and Technology Innovation Program,2022R432A009

语种：英文

外文关键词：Eurasian seismic belt; multifractal; multi analysis; multi analysis spectrum; spatial-temporal characteristics

外文摘要：Seismic activity has complexity and randomness, and its temporal and spatial distribution has complexity, stage, level, and inheritance. The study of the temporal and spatial distribution characteristics of seismic activity is of great significance to the understanding of the law of seismic activity, such as the law that the time series of seismicity in the seismic belt is consistent with the complexity of geographical structure, the prediction of seismic risk, and other research related to earthquake. This article selects the seismic data catalog of the whole Eurasian seismic belt as the research object. Based on the characteristics of the seismic geological environment and tectonic environment characteristics, the multifractal analysis method is used for the seismic data of the seismic activity directory. The results show that the seismic activity of seismic zones has obvious multifractal structure of complex in time series and spatial scales, which can well reveal the seismic characteristics of seismic activity in time and space. In terms of time series, the study area 8D decreases significantly with time and energy before the occurrence of a large earthquake, and the time series of seismic activity in the study area is highly complex and highly correlated with the geological structure. Spatially, the spatial distribution of seismic intensity in the study area is infinite and sparse, showing the characteristics of infinite clustering. Therefore, it can reveal the basic rule of seismic activity effectively and lay a certain theoretical foundation for earthquake prevention and control in this seismic zone.