Fracture that occurs when rocks break and it resualt in relative movement of opposing sides; can form as a resualt of compression (reverse fault) being pulled apart (normal fault), or shear (strick-slip fault).

point deep inside Earth where energy is released, causing an earthquake.

molten rock flowing onto Earth's surface.

Point on Earth's surface directly above an earthquake's focus.

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Earth Science

Terms and Definitions


Fault	Fracture that occurs when rocks break and it resualt in relative movement of opposing sides; can form as a resualt of compression (reverse fault) being pulled apart (normal fault), or shear (strick-slip fault).
Focus	point deep inside Earth where energy is released, causing an earthquake.
Lava	molten rock flowing onto Earth's surface.
Lithosphere
Epicenter	Point on Earth's surface directly above an earthquake's focus.