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Wrangell-St. Elias National Park & PreserveMount Wrangell in February
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Wrangell-St. Elias National Park & Preserve
Volcanoes
 
Willow Lake Sunrise
John Connolly
The Wrangell volcanoes dominate the skyline throughout the Copper Basin.
 
Nature and Science
Crater on the summit of Mount Wrangell

The Wrangell Mountains form the volcanic heart of the park. Covering over 2,000 square miles, the Wrangell Volcanic Field is made up of thousands of lava flows and some of the highest peaks in North America, and includes Mount Wrangell, one of the largest (by volume) active volcanoes in the world.

The Wrangell volcanoes were formed over the last 5 million years by massive eruptions which were the result of tectonic collisions along the Pacific and North American crustal plates. Although this activity has slowed for the past few thousand years, there is still heat at depth, as evidenced by Mount Wrangell's steam plumes, and the series of active mud volcanoes east of Glennallen.

 
 
To learn more about the Wrangell Mountain range and its huge volcanoes, check out the Guide to the Wrangell Volcanoes.
Guide to the Wrangell Volcanoes
The Wrangell Volcanoes
Geologic Guide
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Alaska Volcano Observatory
Alaska Volcano Observatory
Discover Alaska's Volcanoes!
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Malaspina Glacier  

Did You Know?
The Malaspina Glacier is largest piedmont glacier in North America and is larger than the state of Rhode Island.

Last Updated: November 21, 2006 at 15:18 EST