ground movements that occur when blocks of rock in Earth move suddenly and release energy.

is a place within Earth along a fault at which the first motion of an earthquake occurs.

Directly above the focus on Earth’s surface

tectonic plate boundary

is where two or more tectonic plates meet.

The return of rock to its original shape after elastic deformation

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Earthquakes

Term	Definition
Earthquakes	ground movements that occur when blocks of rock in Earth move suddenly and release energy.
focus	is a place within Earth along a fault at which the first motion of an earthquake occurs.
epicenter	Directly above the focus on Earth’s surface
tectonic plate boundary	is where two or more tectonic plates meet.
elastic rebound	The return of rock to its original shape after elastic deformation