Cataclysm

A cataclysm refers to a sudden, large-scale disaster or upheaval that causes significant destruction and change. It can involve natural events like earthquakes, tsunamis, or volcanic eruptions, or human-made incidents such as wars or industrial accidents. These events often reshape the environment, societies, or economies quickly and dramatically, leaving lasting impacts. The term emphasizes the severity and abruptness of the change, highlighting situations that challenge stability and require substantial recovery efforts.