This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

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

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

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 ...

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

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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 ...

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 ...

An undersea volcano off Oregon’s coast will likely ... Unlike the Pacific Northwest’s steep-sloped Cascade volcanoes such as Mount St. Helens or Mount Hood that tend to explode when they ...

Drivers may be able to rep Smokey Bear, Mt. Saint Helens or historic Whidbey Island after this year's legislative session.