Cataclysm

Cataclysm is derived from the Greek (), 'down, against', and (), 'wash over, surge'. It may refer to:

==Common meanings== Generally, any large-scale disaster Deluge (mythology) Doomsday event, see hypothetical risks to civilization, humans, and planet Earth A catastrophic natural event: List of geological phenomena earthquake, the result of a sudden release of energy in the Earth's crust that creates seismic waves volcanic eruption