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Learn about the history, geology, and ecology of the area around Mount St. Helens, a U.S. National Monument established in 1982 after the 1980 eruption. Find out how to visit the volcano, its observatories, visitor centers, and trails.
David A. Johnston was a USGS volcanologist who died in the 1980 eruption of Mount St. Helens. He was the first to report the eruption and a pioneer in studying volcanic gases and their relationship to eruptions.
Learn about the most disastrous volcanic eruption in U.S. history, which killed 57 people and caused billions of dollars in damage. Find out the causes, effects, and aftermath of the eruption that occurred on May 18, 1980, and created a new crater and a lava dome.
The volcano was quiet. There had been no eruptions for four days. Rolls of gases vented out of fumaroles, pressure escaping. ... Coldwater II was located just 5 miles north of the summit. A Red ...
Coldwater Lake is a barrier lake created by the 1980 eruption of Mount St. Helens. It is located in Cowlitz and Skamania counties, Washington, and is part of the Mount St. Helens National Volcanic Monument.
Learn about the history, geology, and ecology of Mount St. Helens, an active stratovolcano in Washington state. Find out how the 1980 eruption changed the landscape, climate, and wildlife of the area.
Spirit Lake is a lake north of Mount St. Helens, formed by volcanic deposits. It has a drainage tunnel to South Coldwater Creek and was a popular tourist destination before the 1980 eruption.
The 2023 South Coldwater Slide is a mudslide that occurred in May 2023 near Mt. St. Helens. The volume of debris, and subsequent destruction of a bridge, closed off Washington State Route 504 and access to the Mount St. Helens National Volcanic Monument .