Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be ...

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 ...

Beneath dormant volcanoes in the Cascades region of the Pacific Northwest, scientists found large reservoirs of magma. The discovery challenges […] ...

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The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to ...

That's why it has an extra magma supply. And that's why it's the most active volcanic site, you know, on the ridge and in the ...

A miles-wide volcano off Oregon’s coast could erupt “soon” say scientists who’ve been tracking it for decades. The Axial Seamount is a massive undersea volcano that reaches more than 3,600 ...