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vocabulary U2L6&7

earthquakes ground movements that occur when blocks of rock in the Earth move suddenly and release energy
focus a place within the Earth along a fault at which the first motion of an earthquake occurs there
epicenter directly above the focus on Earth's surface
tectonic plate giant sections of the lithosphere on Earth's surface
fault a break in the Earth's crust along which blocks or rock move
deformation the process by which rock becomes deformed and changes shape due to stress
elastic rebound return of rock to its original shape after elastic deformation
volcano any place where gas, ash or melted rock come out of the ground
magma melted rock that is less dense than solid rock
lava magma that has reached the Earth's surface
hot spot location where a column of extremely hot mantle rock called a mantle plume rises through the asthenosphere
tectonic plate boundary where two or more tectonic plates meet
vent opening of a volcano
Created by: sadranuna