Volcanoes

A 2,000-foot-long hydrothermal field teeming with life and giant chimneys spouting boiling water has been discovered next to an underwater volcano off the coast of Ecuador.

Almost two weeks after the town of Grindavík was evacuated over fears of a volcanic eruption, the magma dike beneath Iceland still poses a high risk, with earthquakes and ground deformation ongoing.

Magma building beneath Iceland may break through the surface in a volcanic eruption, sending lava flows toward the Blue Lagoon, the Svartsengi geothermal power plant and the town of Grindavík.

Explainer Experts have warned that an underground magma tunnel between a pair of Icelandic towns could erupt at any moment. But what will this eruption look like? And how far-reaching will its effects be?

Iceland's volcanic activity is generally tame compared with explosive eruptions along the Pacific's Ring of Fire. This time, it's shaking up a town.

Four huge deposits from supervolcano eruptions over the last 40,000 years have been discovered at the bottom of the Mediterranean Sea.

Iceland's Reykjanes Peninsula is now in a new era of volcanic eruptions that will last for up to 500 years, and the building magma beneath Sundhnúkur and Grindavík is part of this millenia-long cycle.

Russia's Klyuchevskoy volcano, which is the tallest volcano in Europe and Asia, violently erupted on Nov. 1 and left behind a trail of smoke and ash that was photographed by NASA satellites.

Authorities in Iceland have warned that a volcanic eruption is imminent, with the town of Grindavík, close to the country's famous Blue Lagoon resort, evacuated.

A newly-formed island off the coast of Iwo Jima in the Pacific Ocean was spotted in satellite images after it emerged during an underwater volcanic eruption at the end of October.