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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.
Learn about the history, activity, and hazards of Mount St. Helens, the most active volcano in the Cascade Range. Find maps, news, publications, and data on the volcano's eruptions, earthquakes, gas emissions, and more.
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...
Sitting about 97 miles south of Seattle and 52 miles northeast of Portland, Oregon, Mount St. Helens is the most active volcano within the Cascade Range and has the highest probability out of all U.S. volcanoes other than Hawaii and Alaska to erupt in the future.
The 2004–2008 volcanic activity of Mount St. Helens has been documented as a continuous eruption with a gradual extrusion of magma at the Mount St. Helens volcano. Starting in October 2004, a gradual building of a new lava dome happened.
Learn about the history, geology, and ecology of the Mount St. Helens volcano and its surroundings. Explore the visitor centers, trails, viewpoints, and recreation opportunities in the 110,000-acre Monument.
