Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

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 ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

Volcanoes don’t always show their activity through huge explosions or lava rivers. In many cases, the changes are quiet and only experts can detect them. This ...

Fluid inclusions in volcanoes are dominantly composed of carbon dioxide. At magmatic temperatures — 2,192 degrees — the density of the carbon dioxide strongly depends on pressure, which is influenced ...

(WJW) — You don’t see this every day. The U.S. Geological Survey (USGS) shared a video Tuesday showing what they described as a “volnado” forming near an erupting fountain of lava in Hawaii. “We know ...

HONOLULU — Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten ...

Since late 2024, Klauea has unleashed 42 episodic fountaining events, each typically lasting a day or less, separated by recharging pauses like the recent 19-day lull after Episode 41.

Learn how a young volcano on Mars stayed active for nine million years and what its changing lava reveals about Mars’ interior.

A TOWERING “volcano” has erupted in western New York – forget not by lava, but by brutal cold. The massive cone of ice was formed inside Letchworth State Park, where days of ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...