Question

Explain what happens during an earthquake and list the steps involved in chronological order

Answer 1

Steps of occurrence of an earthquake in chronicle order is as under;

(i) Building up of elasticity.

(ii) Dilatancy

(iii) Inflow of water.

(iv) Movement of surface of Earth.

(v) Aftershocks.

Answer 2

Earthquakes cause massive destruction.

They occur along fault lines of the earth's crust.

When the stress of moving tectonic plates exceeds the strength of the rocks, a massive amount of energy is released along fault lines.

Displacement of the earth's crust takes place and elastic strain energy is released, which causes shock waves to form.