The 46-year-old man was reportedly with his daughter when he fell while hiking Indonesia's volcanic Mount Rinjani

The volcanic fissure that opened up in Iceland early Wednesday has now expanded, and stretches further north than at any time since 2023.Lava and toxic gas continue to spill from the latest eruption on the Reykjanes Peninsula.

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.

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.

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