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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.
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...
Oct 30, 2023 · Mount St. Helens is primarily an explosive dacite volcano with a complex magmatic system. The volcano was formed during four eruptive stages beginning about 275,000 years ago and has been the most active volcano in the Cascade Range during the Holocene.
May 18, 2020 · Four decades after Mount St. Helens’ eruption, scientists finally are unearthing some clues to its curious position. In one of the most comprehensive efforts to trace a volcano’s roots, the...
A vast, gray landscape lay where once the forested slopes of Mount St. Helens grew. In 1982 the President and Congress created the 110,000-acre National Volcanic Monument for research, recreation, and education. Inside the Monument, the environment is left to respond naturally to the disturbance.
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.
