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Natural disasters NATURAL DISASTERS © 2015 albert-learning.com Natural disasters Earthquake A sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action. © 2015 albert-learning.com Natural disasters Hurricane A violent storm, characterized by extreme fury and sudden changes of the wind, and generally accompanied by rain, thunder, and lightning; -especially prevalent in the East and West Indies. © 2015 albert-learning.com Natural disasters Tornado Destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system. © 2015 albert-learning.com Natural disasters Blizzard A strong bitterly cold wind accompanied by a widespread heavy snowfall. © 2015 albert-learning.com Natural disasters Avalanche A large mass of snow and ice detached from a mountain slope and sliding or falling suddenly downward. © 2015 albert-learning.com Natural disasters Tsunami Tsunami is an ocean wave generated by a submarine earthquake, volcano or landslide. © 2015 albert-learning.com Natural disasters Volcanic Eruption The sudden occurrence of a violent discharge of steam and volcanic material eruption. © 2015 albert-learning.com Natural disasters Whirlpool A quickly rotating mass of water in a river or sea into which objects may be drawn, typically caused by the meeting of conflicting currents. © 2015 albert-learning.com Natural disasters Drought A long period of abnormally low rainfall, especially one that adversely affects growing or living conditions. Floods An overflowing of water onto land that is normally dry. © 2015 albert-learning.com