Question

what is an earthquake?
the ____ of the __ of the earth, resulting from the sudden release of ____ in the earths lithosphere that creates seismic waves.

Explanation:

An earthquake is defined as a shaking/tremor of the Earth's surface, caused by the sudden release of energy in the lithosphere that generates seismic waves.

Answer:

The shaking/tremor of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves.