swinging back; aftershock; backlash
Refers to a rebound or reversal after a change, often in social, political, or economic contexts. Can be used for literal swinging back as well.
See also: バックラッシュ
As a backlash against the reforms, the old system was revived.
地震の揺り戻しで、さらに被害が広がった。
The aftershock of the earthquake caused further damage.