Question

what is an earthquake ?How does an earthquake occur

Answer 1

it is caused by some internal disturbance

Answer 2

hey mate here is your answer ⤵⤵⤵

Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little.

Hope this will help you ⤴⤴⤴