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earthquakes volcanos

vocab

TermDefinition
earthquake the sudden, rapid shaking of the ground caused by the release of energy in the Earth’s lithosphere, usually due to the abrupt slipping of rock masses along a fault plane
fault a fracture or zone of fractures in the Earth's crust across which there has been significant displacement of rock masses
seismic wave vibrations of energy caused by earthquakes, volcanic eruptions, magma movement, or large explosions
focus involves concentrating energy—acoustic, electromagnetic, or optical—onto a specific, localized target
epicenter the point on Earth's surface directly above an earthquake's hypocenter (or focus), where the rupture begins
volcano a geological feature consisting of a rupture or vent in the Earth's crust that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface
hot spot a fixed, intensely hot plume of magma rising from deep within the Earth's mantle, independent of tectonic plate boundaries
Created by: user-2007347
 

 



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