One of the most explosive volcanoes in U.S. history began its eruption with a trickle, not a blast. Mount St. Helens' gas-laden magma oozed into the cone before the mountain finally erupted in 1980.

Hayli Gubbi, a shield volcano in northern Ethiopia, erupted for several hours on the morning of Sunday, Nov. 23 — the first eruption since the start of the Holocene.

Volcanologist Martin Mangler explains how volcanic eruptions work to push lava into the air. Listen on the The Conversation’s ...

A 2021 satellite photo shows an unusual series of concentric cloud rings that appeared directly above an erupting volcano on ...

A volcano on Japan’s major western island of Kyushu had multiple eruptions on Sunday, Nov. 16, sending a plume of smoke and ash almost three miles into the air, causing tens of flight cancellations ...

Hawaii's Kīlauea volcano shot out lava for the 49th time that we know of.

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

The Titan Ridge Volcano is erupting in the Bismarck Sea, sending ash and smoke into the sky and prompting authorities to warn of possible tsunamis in the area.

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

Terrified tourists were seen scrambling for cover as they were pelted with lava from an exploding volcano in Guatemala.

A volcano that slept for more than 100,000 years before erupting is blowing up our understanding of when volcanoes should be defined as active or extinct. Volcanologists officially classify sleeping ...