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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.
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.
With the North American Plate overriding the Pacific Plate, episodes of volcanic igneous activity occurred. [4] The lateral blast from the 1980 eruption of Mount St. Helens was pointed straight toward Coldwater Peak and stripped the vegetation from the slopes. Due to Mount Saint Helens' proximity to Coldwater Peak, volcanic ash is common in the ...
State Route 504 (SR 504, designated as the Spirit Lake Memorial Highway) is a state highway in southwestern Washington state in the United States. It travels 52 miles (84 km) along the North Fork Toutle River to the Mount St. Helens area, serving as the main access to the Mount St. Helens National Volcanic Monument.
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 ...
True to its name, the glacier lies inside the north-facing crater left by the 1980 eruption of Mount St. Helens and the glacier's elevation is about 6,794 ft (2,071 m). [7] A massive central lava dome emplaced from 1980 to 1987 occupies the center of the crater, and the glacier formed in the shape of a horseshoe around the dome, with two ...
The current summit elevation of Mount St. Helens, located in Gifford Pinchot National Forest in Washington, is approximately 8,300 feet. “It was absolutely wild to hear about his day,” Shorey ...
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.
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