epidemic - A situation in which a disease spreads very quickly and infects many people , Tsunami - A very large wave or series of waves caused when something such as an earthquake happens underwater, Avalanche - A large amount of snow and ice that suddenly falls down a mountain , Forest fire - A situation in which a large area with trees burns, Hurricane - A violent storm with extremely strong winds and heavy rain, Flood - A large amount of water covering an area that is usually dry, Earthquake - A sudden violent of the ground, typically causing great distruction, Drought - A period of dryness,resulting in a water shortage , Survivor - A person who remains alive after some dangerous event disaster , Torrential - Used to refer to very heavy rain , Refugee - A person who has been forced to leave their country because of war, natural disaster,

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