Know-What Must Happen Inside the Earth to Cause an Earthquake.

It is one century since 'elastic rebound theory' came into existence and kept on ruling several research works without any breakthrough towards developing a reliable warning system for occurance of an earthquake. The present mechanism describes every movement of rocks during a major as well as a minor earthquake and also how these disturbances produce different kinds of seismic waves one after the other as until now it is assumed that they are produced simultaneously.