4. the natural world

Natural disasters

Avalanche a mass of snow, ice and rock that falls down the side of a mountain he was killed by an avalanche while skiing lumivyöry
Blizzard a snowstorm with very strong winds   lumimyrsky
airlift an operation to take people, soldiers, food, etc. to or from an area by aircraft, especially in an emergency or when roads are closed or dangerous   pelastustehtävä jossa viedään ihmisiä tai ruokaa lentäen
Cyclone a violent tropical storm in which strong winds move in a circle   pyörremyrsky
earthquake a sudden, violent shaking of the earth’s surface an earthquake hit china yesterday maanjäristys
Hurricane a violent storm with very strong winds, especially in the western Atlantic Ocean A violent hurricane hit the coast of florida. hurrikaani
flood a large amount of water covering an area that is usually dry The heavy rain has caused floods in many parts of the country. Tulva
Tsunami an extremely large wave in the sea caused, for example, by an earthquake A tsunami early warning system was set up in Hawaii. Tsunami
Volcano a mountain with a large opening at the top through which gases and lava AN active volcano migth erupt any time tulivuori
Erupt when a volcano erupts or burning rocks, smoke, etc. erupt or are erupted, the burning rocks, etc. are thrown out from the volcano The volcano could errupt any time Purkautua.