Question

The point below ground from which an earthquake's energy is released is called the focus. An earthquake's epicenter is located

Answer 1

D.)in Earth's mantle directly below the earthquake's focus

Answer 2

The correct option is C. On Earth's surface directly above the earthquake's focus.

The hypocenter, or focus is the point where the earthquake really starts. It's located under the surface in the tectonic plate boundary. 
The epicenter is the point on the surface of the earth that's directly above the hypocenter.