【摘要】 1966年至1976年在华北相继发生的邢台、渤海、海城、唐山4次7.0级以上强震的震后异常与后续地震有某些的关系。这种关系主要表现在异常的起始时间与转折时间上,同时还表现在异常点的优势分布方向及其逐渐转移的进程上。研究这种关系对于判断同组强震的迁移趋势有一定的实用价值。更多还原

【Abstract】 4 earthquakes Ms≥7.0 occurred one after another(Xingtai,Bohai,Haicheng and Tangshan)from 1966 to 1976 in North China area,there are some relations between the anomaly after strong earthquake and follow-up event.These relations show mainly at the begining and turning time,still show at superior distribution direction and shifting gradually process of abnormal point.It has some practical value to study these relations for judging the migration of strong earthquake as the same group.更多还原