Mount St. Helens (known as Lawetlat'la to the local Cowlitz people, and Loowit or Louwala-Clough to the Klickitat) is an active stratovolcano located in Skamania County, Washington, [1] in the Pacific …

Nov 26, 2025 · 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 …

Mount St. Helens, located in Washington State, is the most active volcano in the Cascade Range, and it is the most likely of the contiguous U.S. volcanoes to erupt in the future.

Notable Statistic: The May 18, 1980 blast devastated 596 square kilometers (229 square miles) and destroyed timber valued at several million dollars. This was the deadliest and most economically …

Plan your unforgettable visit to Mount St. Helens! Discover north, south, and east zones, seasonal activities, visitor centers, and trails.

May 21, 2025 · Mount St. Helens erupted for 9 hours on May 18, 1980, in southwest Washington, destroying plant and animal life in the surrounding 230 square miles of forest and killing 57 people.

May 18, 2025 · The eruption of Mount St. Helens, once known as the Mount Fuji of America, came after the majestic cone-shaped volcano had lain dormant for 123 years. The eruption – observed in detail …

Mount St. Helens Information Resource Center: A collection of Links and information to lodging, restaurants, visitor centers, helicopter tours, permits, gifts, volcanocam, weather, hiking, at Mt. St. …

Prior to 1980, Mount St. Helens formed a conical, youthful volcano sometimes known as the Fuji-san of America. During the 1980 eruption the upper 400 m of the summit was removed by slope failure, …

May 28, 2025 · Best known for its cataclysmic eruption on May 18, 1980, this stratovolcano has shaped both the physical landscape and the scientific understanding of volcanic activity in the United States. …