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The Mount St. Helens major eruption of May 18, 1980, remains the deadliest and most economically destructive volcanic event in U.S. history. [4] Fifty-seven people were killed; 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. [ 5 ]
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.
View the Mount St. Helens Fast Facts on CNN and learn more about the volcano in Washington.
Harry R. Truman (October 1896 – May 18, 1980) was an American businessman, bootlegger, and prospector.He lived near Mount St. Helens, an active volcano in the state of Washington, and was the owner and caretaker of Mount St. Helens Lodge at Spirit Lake near the base of the mountain.
The USGS described a "carnival-like atmosphere" around Mount St. Helens as volcano sightseers gathered around viewpoints such as Silver Lake, about 30 miles away.. On March 31, the Cowlitz County ...
In 1980, 57 people died when Mount St. Helens erupted, an event that permanently altered the area's ecosystems. Before that event, only one seismometer was stationed at the volcano, the agency said.
The Mount St. Helens Visitor Center at Silver Lake, about 30 miles (48 km) west of Mount St. Helens and five miles (8 km) east of Interstate 5 (outside the monument), opened in 1987 by then-Vice President George H.W. Bush. The center was formerly operated by the U.S. Forest Service and has been operated by Washington State Parks since October 2007.
A conifer forest will return to Mount St. Helens in its own time. On a debris-avalanche deposit totally devoid of life after May 18, 1980, plants are slowly taking hold of the landscape.