The document defines and provides examples of 8 natural disasters: 1) Avalanche - a large mass of snow falling down the side of a mountain. 2) Hurricane - an extremely violent wind or storm. 3) Cyclone - a violent tropical storm in which the air goes round and round. 4) Earthquake - a shaking of the ground. 5) Tsunami - a huge wave caused by an earthquake which flows onto land. 6) Tornado - a tall column of air spinning round very fast. 7) Flood - a large amount of water that covers an area. 8) Drought - a period of time with no rain.