The focal point of any activity, especially if dangerous or destructive.
The point on the surface of the earth directly above an underground explosion.
The geographical area in which an ongoing disaster, illness, crisis, or other destructive event is currently most severe.
The point on the land or water surface directly above the focus, or hypocentre, of an earthquake.
Of an earthquake: to have its epicentre (at a specified location).
Any fixed point or certain basis.
A cylindrical mechanical fastener that attaches multiple parts together by fitting through a hole and deforming the head(s) at either end.
To command the attention of.
To attach or fasten parts by using rivets.
To make firm or immovable.
To install rivets.