What Just Emerged at the West Coast Volcanoes Shocked Everyone

Something is disappearing from America’s volcanoes: ice.

Across Mount Rainier, Mount Baker, Glacier Peak, Mount Hood and Mount Shasta, glaciers are retreating, thinning and in some cases losing the ability to flow as true glaciers. At Mount Rainier, glacier area has declined by about 42% since 1896, while Mount Hood has lost roughly 39% since 1981.

In this DiscoverTube investigation, we examine USGS research, glacier retreat, volcanic hazards, lahars, debris flows, climate change and newly exposed volcanic terrain across the Cascade Range.

One Mount Hood glacier has already stopped actively flowing—and others are approaching the same threshold.

What happens when thousands of years of ice disappear from an active volcano?

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