Our Dynamic Earth

Created by alpal23 

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atmosphere

the gaseous envelope surrounding the earth; the air

earthquake

a series of vibrations induced in the earth's crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating

hot spot

a stationary location in Earth's mantle where magma melts through a tectonic plate

magma

hot, melted rock below Earth's surface

fault

(geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other

geologist

a person who studies rocks

magnitude

the amount of energy released by an earthquake

focus

the point where an earthquake starts

landform

a physical feature on Earth's surface

lava

hot melted rock that flows from a volcano

crust

the outer layer of the earth

epicenter

the point on Earth's surface directly above an earthquake's focus

volcano

an opening in Earth's crust through which lava may flow

erosion

the process of moving sediment from one place to another

mantle

a nearly melted layer of hot rock below Earth's crust

tsunami

a giant wave caused by an earthquake on the ocean floor

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