2. What is an earthquake?
A earthquake is a destructive disaster which is caused by tectonic plates. Tectonic plates are moving plates that covers the Earth’s mantle to not bring heat to the surface. The tectonic plates can also make different types of mountains like fault mountains and fold mountains.

3. Side effects.
liquefaction fire cased by
an earth-quake

4. Radius, focus and epicentre of a earthquake.
As you can see that is diagram of a vibrating earthquake. Next a bar chart of the destruction of an earthquake from 1990 to 2010.

6. What does it cause?
An earthquake can cause tidal waves and tsunamis nothing else. But at least I can show you some pictures

7. I hope you enjoyed reading this and have a good day
Final thoughts
I hope you enjoyed reading this and have a good day