natural catastrophe

Translations
стихийное бедствие
The earthquake was a natural catastrophe that affected thousands.
Землетрясение было стихийным бедствием, которое затронуло тысячи людей.
Definitions
A natural catastrophe refers to a significant and often sudden event caused by natural processes of the Earth that results in substantial damage, destruction, and loss of life. Examples include earthquakes, hurricanes, floods, wildfires, and volcanic eruptions.