USGS Volcanoes-Glacier Peak and Mt Baker
WSU Presents-Our Earth, Our Home
2020 Series Part Two
Join us with Vancouver Cascades Volcano Observatory research geologist, Cynthia Gardner as she shares details about these geologic wonders.
Glacier Peak is not prominently visible from any major population center, and so its attractions, as well as its hazards, tend to be overlooked. Yet since the end of the most recent ice age, this volcano has produced some of the largest and most explosive eruptions in the conterminous United States.
Mt Baker is the only U.S. volcano in the Cascade Range that has been affected by both alpine and continental glaciation. This stratovolcano is composed mainly of andesite lava flows and breccias and was largely formed prior to the most recent major glaciation.
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