Which statement describes the focus of an earthquake?

It creates stress in rock.
It develops in the lithosphere.
It lies above the surface where rock breaks.
It begins about 5 kilometers below Earth’s surface.

1 answer

The statement that best describes the focus of an earthquake is:

It develops in the lithosphere.

The focus (or hypocenter) is the point within the Earth where an earthquake originates, and it is located in the lithosphere, which is the rigid outer layer of the Earth.