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18 terms

Natural Disaster #2

STUDY
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plates
thin layers of the Earth's crust
fault
the meeting and joining of the thin layers of the Earth's crust called plates
wildfire
an unplanned fire that starts outdoors
tsunami
an unusually large sea wave produced by a seaquake or undersea volcanic eruption
volcano
an opening in the earth's crust from which lava, ash, and hot gases flow or eject during an eruption
eruption
the ejection of molten rock or steam from a volcano
velocity
rapidity of motion or swiftness; speed
earthquake
a series of vibrations in the earth's crust caused by the rupture and rebound of rocks in which the strain on the crust has been slowly accumulating
category
a specifically defined division when talking about hurricanes
richter scale
a method to measure a seismogram for the magnitude (STRENGTH) of an earthquake
tornado
a localized, violently destructive windstorm occurring over land
flood
an overflowing of water into land that is normally dry
twister
an informal word for whirlwind or tornado
hurricane
a severe tropical wind storm usually with heavy rains and winds... they lose force when moving onto lands or colder waters
destruction
the condition of being destroyed
natural
existing in or formed by nature
disaster
an occurence causing widespread destruction and distress; catastrophe
non-natural disaster
a disaster caused by humans. Ex. terrorism, wildfires, biohazard