Stevens Pass is a high mountain pass in the Cascade Range of Washington State, situated at an elevation of 4,061 feet (1,238 m) along US Highway 2. As of late December 2025, US Highway 2 is experiencing major travel disruptions due to severe flood and landslide damage that occurred earlier in the month. Starting Monday, December 29, 2025, a stretch of US 2 will partially reopen between Coles Corner (milepost 85) and the Stevens Pass summit (milepost 64). Access to the pass is currently only avai

The Columbia River defines the Pacific Northwest, from gigantic floods to thousands of shipwrecks, to the bucolic lake in the Canadian Rockies where the journey of the river begins. On the new Mossback Northwest special, we're revisiting last season's four-episode arc exploring the history and geology of the mighty Columbia River - putting a whole new perspective on "Roll On, Columbia." Mossback's Northwest: The Mighty Columbia River premieres Wednesday, April 2 at 7 PM and on the Cascade PBS ap

🌋 Mount Shasta: A Giant Made of Four Volcanoes At first glance, Mount Shasta looks like one massive mountain. But get closer, and you’ll find something incredible: it’s actually made up of four separate volcanoes, stacked over time by powerful eruptions. With its jagged peaks, ancient lava domes, and deep glacial scars, Shasta stands as the largest stratovolcano by volume in the entire Cascade Range. Its tallest cone, Hotlum, last erupted about 200 years ago—sending mudflows and ash down the sl

This week, all volcanoes in the Cascade Range of Washington and Oregon are at normal background levels of activity. Current Volcano Alert Level: NORMAL Current Aviation Color Code: GREEN Weekly Update: https://www.usgs.gov/programs/VHP/volcano-updates#cvo Past Week Observations: Small magnitude earthquakes were detected at Mount Baker, Mount Rainier, Mount St. Helens, and Newberry. All monitoring data are consistent with background activity levels in the Cascades Range. Field crews were at Mount

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