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Mount St. Helens (known as Lawetlat'la to the indigenous Cowlitz people, and Loowit or Louwala-Clough to the Klickitat) is an active stratovolcano located in Skamania County, Washington, [1] in the Pacific Northwest region of the United States.
Jun 21, 2024 · Mount Saint Helens, volcanic peak in the Cascade Range, southwestern Washington, U.S. Its eruption on May 18, 1980, was one of the greatest volcanic explosions ever recorded in North America. A total of 57 people and thousands of animals were killed in the event.
- The Editors of Encyclopaedia Britannica
Mar 9, 2018 · Mount St. Helens is a volcano located in southwestern Washington state. It’s the most active volcano in the Cascade Range, a mountain range that extends from British Columbia through...
- Mount St. Helens
Oct 30, 2023 · Learn about the history, activity, and hazards of Mount St. Helens, the most active volcano in the Cascade Range. Find current alerts, news, publications, and science updates from the USGS.
May 18, 2020 · How did a volcano form in the wrong place, far from the other Cascade peaks? Scientists used various methods to explore its subterranean secrets and uncover a diffuse cloud of partially molten blobs below.
Learn about the history, geology, and ecology of Mount St. Helens, the active volcano that erupted in 1980 and created a 110,000-acre National Monument. Find out how to visit, recreate, and explore this unique landscape and its wildlife.
May 11, 2010 · For more information visit: http://gallery.usgs.gov/videos/234 USGS scientists recount their experiences before, during and after the May 18, 1980 eruption of Mount St. Helens.
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- USGS
