The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

Our western volcanoes : an overview -- Plates in motion : the ring of fire, hot spots, and supereruptions -- Magma and mountains : how volcanoes erupt and the landforms they build -- Glaciers on ...

Are you ready for an explosive adventure across America’s most dynamic landscapes? If you want to witness ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes ...

Winter storm, blizzard warnings in the mountains with heavy lowland rain President Donald Trump participates in a Site Visit at Thermo Fisher Scientific in Cincinnati, Ohio. by KOMO News Staff SEATTLE ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

The eruption of a Hawaii volcano has people warily eyeing volcanic peaks on America's West Coast. The West Coast is home to an 800-mile (1,300-kilometer) chain of 13 volcanoes from Washington state's ...

CC0 Usage Conditions ApplyClick for more information. Did you know that in Vancouver, Washington the USGS operates the Volcano Observatory that monitors volcanoes 24 hours a day 7 days a week. Step ...

From British Columbia, through Washington and Oregon, and into Northern California, the Cascade Range delights visitors and locals alike with phenomenal views, epic recreation, and a string of ...