【摘要】 1966年3月8日和22日河北省南部邢台地区发生了M6.8和M7.2大地震,之后,与其相邻的一些地区及由邢台地震引起的各烈度异常区也相继发生了小震活动。追述了邢台地震区附近的一些小震丛集活动序列,并对其活动特征进行了总结。更多还原

【Abstract】 After two strong earthquakes, which occurred on Mar.8 and 22,1966 at Xingtai,north Hebei,with magnitudes of 6.8 and 7.2 respectively,some small earthquakes followed at its adjacent areas as well as some abnormal seismic intensity regions caused by two strong earthquakes.An reanalysis of swarm of small earthquakes around area of the Xingtai earthquakes is made and its active characteristics is summed up.更多还原