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volcano/earthquake

vocab

TermDefinition
fault a fracture or zone of fractures in the Earth’s crust along which two blocks of rock have moved relative to each other.
seismic wave vibrations of energy caused by the sudden rupture of rock within the Earth, typically along a fault, which propagate through the Earth's interior or along its surface.
focus the exact point within the Earth's crust where an earthquake rupture initiates and seismic waves begin to propagate.
epicenter The epicenter is the point on the Earth’s surface directly above the hypocenter
volcano the sudden shaking of the ground caused by the movement of tectonic plates or volcanic activity.
hot spot a stationary, exceptionally hot region in the Earth's mantle—fueled by a deep mantle plume—that rises to melt the crust and create volcanic activity, often far from tectonic plate boundaries.
Created by: user-2006893
 

 



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