upheaval

The process of being heaved upward.

An instance of being so heaved.

A sudden, violent disruption or upset.

A raising of a part of the earth's crust.

The act of upheaving, or the state of being upheaved; a heaving or lifting up; specifically, in geology, a disturbance of a part of the earth's crust, having as one of its results that certain areas occupy a higher position with reference to adjacent areas than they did before the disturbance took place.