epicenter vs geographical point

epicenter and geographical point both are nouns.

Word	Noun	Adjective	Verb	Adverb
epicenter	Yes	No	No	No
geographical point	Yes	No	No	No

As nouns, geographical point is a hypernym of epicenter; that is, geographical point is a word with a broader meaning than epicenter:

epicenter: the point on the Earth's surface directly above the focus of an earthquake
geographical point: a point on the surface of the Earth

Other hypernyms of epicenter include geographic point.

epicenter (noun)	geographical point (noun)
the point on the Earth's surface directly above the focus of an earthquake	a point on the surface of the Earth