1941年9月21日江西寻乌北地震考证及发震构造探讨

doi:10.12196/j.issn.1000-3274.2021.03.008

Abstract

Abstract: The epicentre location and isoseismic line of the 1941 M5¾ northern Xunwu earthquake in jiangxi province are not consistent in the seismic catalogue and investigation report of each version. On the basis of absorbing previous research results and supplementing new data, through detailed textual research of seismic survey data, we check the seismic intensity of each recorded point, review macro epicentre parameters of the earthquake, and redetermine its isoseismal range. Combined with the seismogeological investigation, the possible seismogenic structures of the 1941 AD northern Xunwu earthquake are studied comprehensively. According to the comprehensive analysis, the macroscopic epicentric parameters of the 1941 M5¾ northern Xunwu earthquake are 25.1°N and 115.7°E, and its isoseismal lines are distributed in the NW direction. Its seismogenic structure may be the huanggang-bijiashan fault, and its controlling structure may be the heyuan-shaowu fault.

Key words: Textual research of survey data, Macro epicentre, Isoseismic line, Seismogenic structure, Xunwu of Jiangxi

CLC Number:

P315.2

DENG Hui, DONG Fei-fei, XIE Bin. Textual Research and Causative Structure of the Northern Xunwu Earthquake in Jiangxi Province on September 21, 1941[J]. EARTHQUAKE, 2021, 41(3): 104-113.

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Textual Research and Causative Structure of the Northern Xunwu Earthquake in Jiangxi Province on September 21, 1941

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