A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

A volcanic eruption in southwest Iceland has prompted evacuations, including at nearby tourist sites like the Blue Lagoon.

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On ...

The eruption began early July 16 on the Sundhnúkur Crater Row, about 30 miles southwest from the capital, Reykjavik. See ...

Samples of extremely small crystal clots, each polished to the thickness of a human hair or thinner, have revealed ...

Get the latest updates on Iceland's volcanic eruptions in 2025. Learn about the July 16 Sundhnúkagígar eruption, travel safety, and scientific insights into this dramatic geological activity.

A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, ...

The surface is littered with vast lava plains, steep shield volcanoes, and strange pancake-like domes. This volcanic activity isn’t just a side note—it’s the main story of Venus’s surface.

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

No one expected these glittering bits among the gray lunar dust back then. The beads, smaller than grains of sand, formed when ancient lunar volcanoes spewed molten rock. That rock quickly cooled and ...