Samples of extremely small crystal clots, each polished to the thickness of a human hair or thinner, have revealed information about the process triggering the major 2006 eruption of Alaska's Augustine Volcano.

The eruption occurred in the early hours of July 16. Officials say lava is flowing towards uninhabited areas and is not an immediate danger to those nearby

New reports suggest the Iliamna Volcano in Alaska is rumbling after 100 years of dormancy, but NASA says an eruption isn't imminent.

A false-color satellite photo from 2023 shows a devilish pair of lava flows and an enormous plume of smoke spewing from Klyuchevskoy, the tallest volcano in Europe and Asia.