In 2018 the USGS updated its assessment of the most dangerous volcanoes in the United States, ranking Mount Rainier third on the list behind Mount St. Helens and Hawaii's Kilauea. The USGS said ...

In 2018 the USGS updated its assessment of the most dangerous volcanoes in the United States, ranking Mount Rainier third on the list behind Mount St. Helens and Hawaii's Kilauea. The USGS said Mount ...

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

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

One volcanologist who has spent time studying the volcano said the devastation its eruption would cause would be "complete and incomprehensible." ...

Explore the landmarks of Washington State, from majestic mountains to stunning glaciers. Discover the natural beauty of 'The ...

The subterranean aquifer lurking in the mountains contains three times as much water as Lake Mead at full capacity.

These geological wonders ... a massive dormant volcano covering an expanse roughly 10 times that of Mount St. Helens in Washington. "The protection of the Sáttítla Highlands conserves a diverse ...

Scientists have found giant magma reservoirs under dormant volcanoes in the Cascades. A new study shows that the magma system can persist even after eruptions.