Diastrophism:

Geomorphologically, the term Diastrophism refers to a geomorphic process of crust deformation. This process leads to the formation of continents and ocean basins.

Diasreophim is involved in two distinct processes that are classified as: 

Epeirogenic Processes: These processes are the vertical earth movements of the crust deformation created by endogenic forces These processes cause continental building by warping large parts of the Earth’s crust. There are two processes submergence and emergence.

• Submergence: This process is caused by the rising sea level relative to the land surface. This downward movement may lead to the formation of rias and estuaries.
• Emergence: This process is driven by falling sea levels relative to the land.or upliftment of the land that leads to the formation of marine terraces and coral reefs.

Orogenic processes:  Geologically, these dystrophic processes are caused by the horizontal movement of the endogenic forces that may lead to the formation of Mountain-Building.

The processes driven by the influence of dystrophic orogenic processes are:

• Transitional forces: These processes may cause faulting and cracking that exceed the crust by stressing and shearing the rock’s strength.
• Compressional forces: These processes may cause folding and warping that are subjected to compression within the crustal rocks.