Magma build-up may put Salvadoran capital at risk

The build-up of magma six kilometres below El Salvador's Ilopango caldera means the capital city of San Salvador may be at risk from future eruptions, University of Bristol researchers have found.

How rivers of hot ash and gas move when a supervolcano erupts

Supervolcanoes capable of unleashing hundreds of times the amount of magma that was expelled during the Mount St. Helens eruption of 1980 are found in populated areas around the world, including the western United States.

A journey into an Alaskan volcano

I'm writing this note from the Steadfast; an old 108 ft long crabber boat equipped with a helipad, crane, five state rooms, kitchen, living room, two skiffs, and a science laboratory. The ship was acquired by the Alaska Volcano ...