华北地区中强地震活动特征及趋势探讨

THE CHARACTER OF STRONG EARTHQUAKE ACTIVITIES IN NORTH CHINA AREA AND THE EARTHQUAKE TENDENCY

摘要: 通过对1900~2001年8月100多年来华北地区中强地震(M≥5.0)活动的研究,得出了一系列关于本地区中强地震活动的特征:地震活动主要发生在地表构造带的交汇部位、地震活动存在四个活动时段、地震活动存在明显迁移性;并对本地区未来的地震活动趋势进行了探讨,认为华北地区未来一段时间仍有发生M≥5.0级地震的可能。

Abstract: Based on the study on strong earthquakes(M_s≥5.0) in north China in recent 100 years from 1900 to 2001, the characteristics of strong earthquakes in the area are obtained, and the tendency of future strong earthquake activity in the area is discussed.