Answer:
natural disaster: landslides
Write the website/book/newspaper you visited:
https://www.cdc.gov disasters
summary:
Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions. Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.