【摘要】 本文分析了华北北部（大首都圈）地区近十年（１９８３－１９９２年）来的地壳垂直运动。就其运动的性质可明显地分为两个阶段：以１９８９年大同地震为界的前一阶段，表现为应力积累阶段；大同地震后的后一阶段，则表现为地壳垂直运动处于一种反向运动状态。更多还原

【Abstract】 In this paper,the vertical crust movement of late decade in the North China(the capital circle) is analyzed and the result shows obviously that the North China had been in strain accumulation before Datong earthquake(1989)and has been in strain recovery after the event.更多还原