During an earthquake, the ground surface

a. moves only in a horizontal direction

b. moves only in a vertical direction

c. can move in any direction

d. does not move

The correct answer is (c) Can move in any direction.

The movement of tectonic plates that led to the shaking of surface of the earth. The energy is released in the form of seismic waves. The place from where the earthquake starts is called focus. These waves are very intense. There are two more types of waves that are responsible for the movement of ground surface. The raylegh wave makes the ground surface move up and down. They cause most of the movement of ground. The side to side movement of ground surface is controlled by love wave.