Volcanoes can behave in strikingly different ways, even when they appear nearly identical. Some release slow, steady lava ...

Footage captured a July 30 phreatomagmatic eruption at the Taal Volcano in the Philippines, launching ash 1,476 feet into the ...

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A camera captured a brief phreatomagmatic eruption that occurred in the Taal Volcano's main crater in Batangas, Philippines ...

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.

Melting glaciers may be silently setting the stage for more explosive and frequent volcanic eruptions in the future, according to research on six volcanoes in the Chilean Andes. A study to be ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

During lava fountaining episodes, strong volcanic tremor — a signal associated with fluid movement — is recorded on seismic ...

When Apollo astronauts stumbled across shimmering orange beads on the moon, they had no idea they were gazing at ancient relics of violent volcanic activity. These glass spheres, tiny yet mesmerizing, ...