Scientists Are Watching 20 Volcanoes... And They're All Changing

In this video, we uncover why scientists are closely monitoring some of the most dangerous volcanoes across the West Coast—from Alaska's explosive peaks to California's restless calderas. Discover what researchers are learning from increasing earthquake swarms, ground deformation, volcanic gas emissions, satellite observations, and decades of USGS monitoring. We explore the hidden hazards of Mount Rainier, Mount St. Helens, Mount Hood, Mount Shasta, Long Valley Caldera, and many more, revealing why this vast volcanic chain remains one of the most active and closely watched geological regions on Earth.

00:00 Intro
02:53 Augustine Volcano—Alaska, Where Fire and Ice Collide
04:23 Mount Spurr—Alaska’s Silent Sentinel
05:28 Mount Redoubt—Memory of Catastrophe
06:25 Mount Meager—British Columbia’s Overlooked Giant
07:22 Mount Garibaldi—BC’s Proximity Risk
08:07 Mount Baker—Washington’s Persistent Watch
08:58 Glacier Peak—Washington’s Hidden Threat
09:36 Mount Rainier—The United States’ Most Dangerous Volcano
10:40 Mount St. Helens—A Living Laboratory
11:27 Mount Adams—A Widening Focus
12:15 Mount Hood—Oregon’s Present Risk
13:04 Mount Jefferson—The Solitary Spire
13:36 Three Sisters—Oregon’s Volcanic Complex
14:29 Crater Lake / Mount Mazama—A Sleeping Supervolcano
15:16 Mount McLoughlin—Quiet Watchfulness
15:54 Medicine Lake Volcano—Subtle Menace in California
16:32 Mount Shasta—California’s Sleeping Giant
17:16 Lassen Peak—The Recent Eruption Record
17:53 Long Valley Caldera—A Supervolcano’s Murmurs
18:40 Coso Volcanic Field—California’s Geothermal Hotspot
19:15 Salton Buttes—Southern California’s Volcanic Backyard
21:39 outro

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