When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

While Hawaii is formed by volcanoes, including the highly active Mt. Kilauea, I want to explore an easier-to-reach region: ...

Magma build-up activity in the region of a huge underwater volcano named the Axial Seamount just 300 miles off the US coast ...

A new study reveals that an unconventional ecological intervention tactic is still providing benefits 40 years later. After ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

It appears that these magma bodies exist beneath volcanoes over their whole lifetime, not just during an active state.' ...

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...

A teenager when he began scuba diving in the shadow of Mount St. Helens, he remembers the lake as it was before the May 1980 eruption, before the top 1,300 feet of the volcano—more than three ...

Lahars are very destructive volcanic mudflows that can swallow everything in their paths. During the Mount St. Helens eruptions, lahars flowed up to 60 miles destroying 200 homes. Lahars are one ...

Eagle-eyed geologist Mark Tingay recently noticed the emergence of a ‘ghost island’ in November of 2024, caused by a submarine mud volcano called Kumani Bank. Satellites show that the island formed 15 ...