United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...

Caldera systems, formed by the collapse of a volcanic edifice following major magma extraction, represent some of the most dynamic and hazardous volcanic environments on Earth. Activity within these ...

Caldera formation arises when large volumes of magma are evacuated from a sub-surface reservoir, leading to gravitational collapse of the overlying rock into the evacuated space. The process begins ...

The Kilauea volcano erupted Monday morning on Hawaii's Big Island following increased earthquake activity beneath its summit, according to the U.S. Geological Survey. The volcano is located along the ...

Taal volcano is still restless, and the people who live along its lake know it. The Philippine Institute of Volcanology and ...

We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

Is a massive volcanic eruption about to wipe central Oregon off the map? If you spend much time on social media, you might have seen some popular videos claiming that’s exactly what’s about to happen.

Filipina geologist Jenny Anne Barretto's social media post correcting fake claims about the Apolaki Caldera. Following a series of earthquakes in the Philippines one week ago, an AI-generated image of ...

A scalding-hot pool of mineral water is shown at the Long Valley Caldera in 2019 near Mammoth Lakes. (George Rose / Getty Images) One of California's riskiest volcanoes has for decades been undergoing ...