Question

define the term earthquake and foreshocks​

Answer 1

Earthquake is defined as the movement of tectonic plates which are present under earth's crust .There are 7 tectonic plates . Foreshocks are the current waves come to the earth's surface before the earthquake.

Answer 2

Answer:

A foreshock is an earthquake that occurs before a larger seismic event (the mainshock) and is related to it in both time and space. The designation of an earthquake as foreshock, mainshock or aftershock is only possible after the full sequence of events has happened.

PLEASE MARK AS BRANLIEST.