Earlier, people were unaware of the reasons of earthquake occurrence and the extent of damage.
The word earthquake reveals its meaning very clearly (earth means ground or soil and quake means shake or tremble).
Earthquake is one of the dangerous and life threatening natural disaster which can come anytime and anywhere on the earth.
Faults created by the volcanic activitiy are filled up by the strong earht surface movement which causes tremor.
Everyone should take care of them when earthquake occurs by following some precautions like: Earthquake is a natural calamity which has power to destroy human lives in few seconds.