Magma collects inside a volcano's magma chamber before it erupts (see diagram). Magma from the belly of Kilauea in Hawaii collects as it flows out to the Pacific Ocean.

Etna Week Part 1 Mount Etna – Brief Anatomy of an Exceptional Volcano By guest blogger Dr. Boris Behncke. Italy truly deserves to be called “the Cradle of Volcanology” – not only because ...