👉 Volcanicity is a scientific concept that refers to the process by which magma or lava from an erupting volcano rises and cools, forming new igneous rocks. The eruption of a volcano can result in significant changes to the surrounding landscape, including the formation of mountains, valleys, and other geological features. In volcanology, the term "volcanic" is often used to describe any type of volcanic activity that results from the release of magma or lava into the Earth's crust. This includes