Volcanoes are generally classified into four main types: – Cinder cones: These are the simplest type of volcanoes. They are hills, often steep and formed by an accumulation of congealed lava ...

A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

Axial Seamount is a shield volcano, which means it's shaped like a shield rather than a steep-sided cone volcano. Its caldera at the top is a few miles wide and long, and about 300 feet deep.

One of the most active volcanoes in the world sits just a few hundred miles off the U.s. West Coast, and some scientists believe it’s only a matter of time before it erupts again – maybe even before ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

Ancient scrolls charred by a volcanic eruption 2,000 years ago may finally be starting to reveal their secrets. UK scientists say they have made a historic breakthrough in their efforts to ...

Tremors as strong as magnitude five have raised concerns the volcano that forms Santorini's steep, picturesque cliffs, could erupt. The risk is high enough that Greek authorities convened an ...

Jan. 10, 2025 — A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano in the Canary Islands, located off Africa's northwest coast, suggests that the composition ...

Millions of people around the world live near one of the roughly 1,500 active volcanoes on Earth—from Italy’s Campi Flegrei to Indonesia’s Merapi to the United States’ Mount Rainier.