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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 Northwest region of the United States.
Then, on May 18, 1980, the dramatic eruption of Mount St. Helens shattered the quiet and brought the world's attention to the range. Geologists were also concerned that the St. Helens eruption was a sign that long-dormant Cascade volcanoes might become active once more, as in the period from 1800 to 1857 when a total of eight erupted.
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.
Mount St. Helens, once the fifth-tallest peak in Washington State, lost about 1,300 feet from its height of 9,677, according to the USGS. The highest part of the crater rim on the southwestern ...
View the Mount St. Helens Fast Facts on CNN and learn more about the volcano in Washington.
Located in southern Washington state, Mount St. Helens is notorious for its eruption on May 18, 1980. The eruption of stratovolcano led to earthquakes and a massive landslide. University ...
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.
The Crater Glacier [1] (also known as Tulutson Glacier) is a geologically young glacier on Mount St. Helens, in the U.S. state of Washington.The glacier formed after the 1980 eruption and due to its location, the body of ice grew rapidly, unknown to the public for nearly 20 years.