Volcanoes

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main crater.

Earth from space This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St. Helens in 1980.

The magma system beneath volcanoes may persist even after recent eruptions, a new study finds.

Earth from space This 2022 satellite photo shows the summit of "one of the world's most dangerous volcanoes," Mount Vesuvius, peering up through a strange gap in the clouds.

Earth from space A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj volcanic field interspersed with patches of golden sand.

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater.

The Bárðarbunga volcano system was responsible for Iceland's largest eruption for 300 years back in 2014. After a recent increase in seismic activity, could it be about to erupt again?

An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the Oregon Cascades, scientists have revealed.

A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long term.

Zavaritskii volcano in the Kuril Islands was responsible for the mysterious 1831 volcanic eruption that cooled the climate and turned the sun different colors, a new study finds.