首页|期刊导航|中国地震研究：英文版|Background Seismicity and Its Application to Seismic Hazard Assessment in the North China Region
中国地震研究：英文版2011，Vol.25Issue(4)：395-408,14.
Background Seismicity and Its Application to Seismic Hazard Assessment in the North China Region
Background Seismicity and Its Application to Seismic Hazard Assessment in the North China Region
摘要
Abstract
The historical earthquake activity is intense in the North China region. However, no middle-sized earthquakes have occurred in the last decades in the region since the Ms6.2 earthquake in the Zhangbei region in 1998. The quiescence of moderate and strong earthquakes is quite prominent in North China. In this paper, we use small earthquake records in 1970 ~ 2009 to study background seismic activity in the North China region. The spatial distributions of seismic parameters are presented, including b-value, the maximum magnitude and annual occurrence probability of earthquakes of M/〉6. 0. Our results show regions with low b-value that include the Yuncheng region in the Shanxi rift, the Suqian region located in the Tancheng-Lujiang fault zone and the Shijiazhuang region in the Taihangshan block. Our analysis on the synthetic spatial pattern of seismicity indicate that seismicity in the North China region is mainly affected by the regional dynamic factors of deep structures.关键词
历史地震活动/地震危险性评估/华北地区/应用/地震活动背景/空间格局分析/地震发生/石家庄地区Key words
North China/Seismicity/b-value/Seismic hazard分类
天文与地球科学引用本文复制引用
Wang Hui,Cao Jianling,Shen Xuhui..Background Seismicity and Its Application to Seismic Hazard Assessment in the North China Region[J].中国地震研究：英文版,2011,25(4):395-408,14.基金项目
This research was supported by the International Science and Technology Cooperation Program of China (2010DFB20190) and the "Basic Science Research Plan" of the Institute of Earthquake Science, China Earthquake Administration (Grant No. 02092431 ). （2010DFB20190）
