Natural Hazards - A natural event that has the ability to cause destruction, avalanche - A large mass of snow, ice and/or rock that is carried down a slope by gravity., Earthquakes - Shaking of the ground caused by friction between the tectonic plates., Floods - Natural hazards that involve an overflow of water that submerges usually dry land., Forest fires - An uncontrolled fire in a forested area, Landslides - A large movement of earth down a slope., Tornadoes - A funnel-shaped storm characterized by high winds, Tsunamis - A large ocean wave caused by the displacement of the sea floor., Volcanoes - An opening in the earth's crust through which molten lava, ash and gases are ejected., Natural Disasters - A disaster affecting humans that is caused by a natural hazard., Avalanche Mortar - A device used to launch explosives (an avalanche mortar) onto avalanche-prone slopes in order to trigger small avalanches so that large avalanches do not form., Buoy - A floating device, DART - DART = deep-ocean assessment and reporting of tsunamis system. A collection of sensors and buoys that detect potential tsunamis and warn people in coastal areas., Doppler Radar - A type of weather radar that is used to detect precipitation and track the speed and direction of a storm., Seismometer - A device for detecting and measuring the intensity of an earthquake. Also known as a seismograph, Tiltmeter - A device placed on a volcano that can detect changes in the size of the volcano due to increased magma volume. Used to help predict impending eruptions., Water Gauge - A vertical post marked with water depths and placed in rivers and streams that often flood,

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