强震前水氡异常台站时空分布斗卜均匀性变化特征

EARTHQUAKE ›› 2000, Vol. 20 ›› Issue (1): 39-44.

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The characteristics of variation in inhomogeneity of temPoral-sPatial distribution of radon anomaly before strong earthuakes

CHEN Xue-zhong¹, WANG Xiao-qing¹, Ll Zhi-xiong²

1. Center for Analysls and Predietion,CSB,Beijing 100036,China;
2. China Seismological Bureau,Beajing 100036,China

Received:1999-04-06 Revised:1999-05-20 Online:2000-01-31 Published:2022-09-26

Abstract

Abstract: The eharaeteristies of variation ininhomogeneity of temporal-spatial distribution of stations with Radon anomaly observed befor strong earthquakes with magnitude of about 6 oecurred in North China are investigated.To deseribe the inhomogeneity of temporal-spatial distribution of observational station,showing Radon anomaly,Cv alue is employed.The results show that the Cv value distribution of short-term and imminent precursors increases and becomes more inhomogeneous before the strong earthquakes,which eould refleet the enhanecement of the erustal stresses.

Key words: Radon, Inhomogeneity, Strongearthquake, North China

CLC Number:

CHEN Xue-zhong, WANG Xiao-qing, Ll Zhi-xiong. The characteristics of variation in inhomogeneity of temPoral-sPatial distribution of radon anomaly before strong earthuakes[J]. EARTHQUAKE, 2000, 20(1): 39-44.

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The characteristics of variation in inhomogeneity of temPoral-sPatial distribution of radon anomaly before strong earthuakes

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