Mount Adams (Washington)
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Mount Adams, known by some Native American tribes as Pahto or Klickitat, is a potentially active stratovolcano in the Cascade Range. Although Adams has not erupted in more than 1,000 years, it is not considered extinct. It is the second-highest mountain in Washington, after Mount Rainier.
Mount Adams from the west-northwest
Mount Adams from Wasco County, Oregon
Meadows at Mount Adams Wilderness
Panoramic view from the relatively flat summit area of Mount Adams, with the center of the image looking due west towards Mount St. Helens. Nine Cascade Volcanoes are visible (not including Adams itself). From left to right: Three Sisters complex, Mount Jefferson, Mount Hood, Mount St. Helens, Mount Rainier, Mount Baker, and Glacier Peak. The Olympic Mountains can be seen between St. Helens and Rainier, nearly 150 miles away.
Active volcano
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An active volcano is a volcano that has erupted during the Holocene, is currently erupting, or has the potential to erupt in the future. A volcano that is not currently erupting but could erupt in the future is known as a dormant volcano. Volcanoes that will not erupt again are known as extinct volcanoes.
Lava flows at Holuhraun, Iceland, September 2014
Nyiragongo's lava lake
Arenal Volcano, Costa Rica
Hekla, stratovolcano in Iceland