摘要
最大地震的概念被广泛地应用于地震危险性分析研究中．在全球大陆的许多地方，由于缺乏详细的地质调查，已有的地质分析和构造类比等方法的应用面临着困难．本文根据历史地震资料，基于最大历史地震的概念，并引人核函数的基本思想，提出了一种确定最大地震震级的新方法．利用不同的确定最大震级的方法所进行的危险性分析结果的系统对比研究表明，将本文方法应用于地震危险性分析之中是实际可行的．与其他方法相比，该方法不仅适用于地质构造、地表形变等资料缺乏的区域，而且能在一定程度上反映出地震空间上的分形特征．
The concept of maximum earthquake magnitude has been widely used in seismichazard analysis. For most continental areas of the world, application of tradihonalmethods, such as geological analysis and tectonic analogue methods, are facing greatdifficulhes due to lack of detailed geological survey data. Based on historical seismicrecords and employing the concept of maximum historic earthquake, the basic idea ofkernel function is introduced and a new method for determinahon of maximumearthquake magnitude is proposed in the present paper. Systemahc comparison studyof seismic hazard analysis resultS obtained with different methods implies that it isqinte feasible to apply this new method to prachcal use. The new method not only issuitable for regions with no or less detailed data of geological strUctUres, surfacedeformation, etc., but also can reflect tO some extent the fractal characterishcs ofearthquake distribuhon in space.
出处
《地球物理学报》
SCIE
EI
CAS
CSCD
北大核心
1999年第3期351-357,共7页
Chinese Journal of Geophysics
基金
国家自然科学基金!49574207
关键词
地震
危险性
最大地震震级
Maximum historic earthquake
Kemel funchon
Seismic hazard analysis.
