Question

Define earthquake and it occurs

Answer 1

Answer:

An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time.

Answer 2

Earthquake is the sudden violent shaking of ground as a result of movements within earth's crust or volcanic eruptions.