Definitions
1.nounThe point on the land or water surface directly above the focus, or hypocentre, of an earthquake.
2.nounThe point on the surface of the earth directly above an underground explosion.
3.nounThe focal point of any activity, especially if dangerous or destructive.
4.nounThe geographical area in which an ongoing disaster, illness, crisis, or other destructive event is currently most severe.
5.verbOf an earthquake: to have its epicentre (at a specified location).