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解读发震构造含义与判定原则
解读发震构造含义与判定原则
安艳芬* 韩竹军
中国地震局地质研究所,北京100029
 [收稿日期]: 2006-06-26
摘要

通过对《核电厂厂址选择中的地震问题》(HAF0101(1))有关条款的详细剖析,发震构造包括两个方面的含义:一是曾经是地震震源的地质构造;二是未来可能发生破坏性地震的地质构造。地震重演原则和构造类比原则是判定发震构造的两条基本依据,但在实际工作中构造类比原则的应用往往存在较大难度,对中强地震发震构造的判定尤其如此。文中提出:对中强地震构造带地貌差异性和第四纪地层分布特征的研究有可能提供识别发生中强地震地质构造的标志。



Discussion on the Meaning and Identification of Seismogenic Structure
An Yanfen* and Han Zhujun
Institute of Geology, China Earthquake Administration, Beijing 100029, China
Abstract

According to “Earthquakes and Associated Topics in Relation to Nuclear Power Plant Sitting” (HAF0101(01)), the seismogenic structure is defined with two meanings. One refers to the structure which once has been the source of earthquake and the second means that structure is potential to generate Macro-earthquake in the future. Two principles, i.e. the repeat rule of historical earthquake of seismogenic structure and the similarity rule of seismogenic structure, have been used to identify the seismogenic structure for a long time. However, it often has difficulty in application of the similarity rule of seismogenic structure in practice, especially in identification of the moderate-strong seismic seismogenic structure. This paper suggests that it is helpful to study the difference of the geomorphic features of moderate-strong seismic structure zone and the Quaternary stratigraphy distribution in order to identify the structure which is likely to generate moderate-strong earthquakes.



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解读发震构造含义与判定原则
安艳芬* 韩竹军
《震灾防御技术》, DOI:10.11899/zzfy20060311