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

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 ...

But unlike mammoth mountains like Washington state’s Mount St. Helens or Oregon’s Mount Hood and Mount Jefferson, this one doesn’t tower thousands of feet into the air. Instead, the Axial Seamount ...

During the Mount St. Helens eruptions, lahars flowed up to 60 miles destroying 200 homes. Lahars are one of the risks with a Mount Rainier eruption, so many foothill communities prepare.

Mount Rainier is central to Tacoma’s identity, so much so that it appears on the city’s logo. But as CNN recently reported, the striking mountain is also an active volcano — and no one knows when it ...

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

Although less well-known than other volcanic giants of the Cascades (particularly Mount St. Helens), this underwater ... and experts expect an eruption by the end of 2025. The Pacific Ocean ...

The Mount St. Helens Institute introduced a specialty ... Its recognizable dome from the 1980 eruption is featured prominently. Proceeds from the purchase of the specialty license plate will ...