The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

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Mount Rainier is an active volcano sitting just 2.5 hours outside Seattle, Washington. The national park it sits in is ...

See where Washington has five major volcanoes in the Cascade Range: Mount Baker, Glacier Peak, Mount Rainier ... How many active volcanoes are there in the US? There are about 170 potentially ...

Located about 60 miles southeast of Seattle in the Cascade Range, this massive volcano has produced numerous lahars, pyroclastic flows, and ash clouds throughout its geological lifetime. Scientists ...

Axial Seamount isn’t a typical volcano. It sits above a fixed hotspot — a place ... Meanwhile, scientists are also currently monitoring nearby Mount Rainier, which sits less than 70 miles from Seattle ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

Zombie volcanoes,' thought extinct, can unexpectedly reactivate, challenging the definition of an 'active' volcano. Bolivia's Uturuncu, dormant for 250,000 years, exhibits gas and earthquake ...

MT. ST. HELENS, Wash — For many people who ... to think about what you would do if another one of our Cascade volcanoes were to erupt. “It seems like something so big you can't do anything ...