摘要
本文分析了华北地区第三地震活动期和第四地震活动期内各地震幕地震活动的主体地区,发现在一个地震活动期内各地震幕的地震活动主体地区有自西向东然后又自东向西迁移的现象。文章最后讨论了华北地区未来地震活动幕可能的主体地区。
In this paper, the major activity regions of earthquakes in each seismic episode of the 3th and 4th periods in North China have been studied and it is found that the major acti-vity regions in a seismic activity period more to east from west and then to west form east. Finally, probable regions of future seismic episode in North China is discussed.
出处
《地震》
CSCD
北大核心
1989年第4期38-43,共6页
Earthquake
