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Mount Hood, the nearest major volcanic peak in Oregon, is 60 miles (100 km) southeast of Mount St. Helens. Mount St. Helens is geologically young compared with the other major Cascade volcanoes. It formed only within the past 40,000 years, and the summit cone present before its 1980 eruption began rising about 2,200 years ago. [ 11 ]
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 .
Official death toll, may have been higher; damage figure not adjusted for inflation. 1980 Volcano: 57 $1.1 billion 1980 eruption of Mount St. Helens: Washington state: Damage figure not adjusted for inflation; figure in 2015 dollars is 2,890. 1977 Blizzard: 23 $56.25 billion (1977 USD) Great Lakes Blizzard of 1977: New York and Ontario (esp ...
A mudslide buried part of State Route 504 on Mount St. Helens on May 14, deputies said. The debris forced the 12 people and the animal to wait until the morning to be airlifted from the area ...
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The ash cloud produced by the eruption, as seen from the village of Toledo, Washington, 35 mi (56 km) to the northwest of Mount St. Helens: The cloud was roughly 40 mi (64 km) wide and 15 mi (24 km; 79,000 ft) high. Ash cloud from Mt. St. Helens as captured by the GOES 3 weather satellite at 15:45 UTC.
More than 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption, according to the U.S. Geological Survey.
1980 eruption of Mount St. Helens: $1.1 [318] $4.1 57 Volcanic eruption, Subsequent landslides and mudslides 1980 United States Tropical Storm Agatha: $1.1 [319] $1.5 204 Tropical cyclone 2010 Central America (, , , others) 2013 North India floods: $1.1 [320] $1.4 6,054 Flood 2013 India, Nepal: May 2021 South Central United States flooding: $1. ...