The point beneath earth’s surface where rock breaks under stress and triggers an earthquake is called the
a.
syncline.
b.
footwall.
c.
epicenter.
d.
focus.

select the best answer from the choices provided

a
b
c
d

d. focus

Explanation:

The point beneath the Earth’s surface where the rock breaks under stress and triggers an earthquake is called the focus. This point is also called hypocentre. The focus is located deep underground at the boundary of a tectonic plate where the plate boundary begins to rupture and causes an earthquake. The point just above the focus on the Earth surface is called epicentre.