Question

what do you mean by earthquakes? explain the three earthquake wave.​

Answer 1

Seismic waves are produced when some form of energy stored in Earth's crust is suddenly released, usually when masses of rock straining against one another suddenly fracture and “slip.” Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. ...

There are three basic types of seismic waves – P-waves, S-waves and surface waves.

Answer 2

Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks.

There are three basic types of seismic waves –

• P-waves
• S-waves
• surface waves.

P-waves and S-waves are sometimes collectively called body waves.