Search results
Results From The WOW.Com Content Network
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.
On March 27, 1980, a series of volcanic explosions and pyroclastic flows began at Mount St. Helens in Skamania County, Washington, United States.A series of phreatic blasts occurred from the summit and escalated until a major explosive eruption took place on May 18, 1980, at 8:32 am.
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.
On February 1, 2005, the new lava dome on Mount Saint Helens measured 7,642 feet (2,329 m) in elevation. This brought its elevation to 1,363 feet (415 m) above the 1980 crater floor, approximately 2,000 feet (610 m) above the surface of the Crater Glacier, and 721 feet (220 m) below the highest point of the volcano.
Prior to 1980, Spirit Lake consisted of two arms that occupied what had been the valleys of the North Fork Toutle River and a tributary. About 4,000 years ago, these valleys were blocked by lahars and pyroclastic flow deposits from Mount St. Helens to form the pre-1980 Spirit Lake. The longest branch of Spirit Lake was about 2.1 miles (3.4 km ...
The day before its 1980 eruption, Mount St. Helens was the fifth highest major summit of Washington. Today, Mount St. Helens is the 35th highest major summit of the state. This article comprises three sortable tables of major mountain peaks [1] of the U.S. State of Washington. The summit of a mountain or hill may be measured in three principal ...
Their 1978 report claimed that Mount St. Helens is “an especially dangerous volcano” and it would more than likely erupt before the end of the 20th century. [1] On May 18, 1980 their predictions came true when the volcano erupted killing 57 people and caused more than $1 billion worth of damage. He retired shortly after the eruption.
Mount St. Helens seen from the Windy Ridge Viewpoint in 1985 Windy Ridge is at the center of this map of Mount St. Helens National Volcanic Monument. Windy Ridge is a ridge and eponymous Forest Highway in the Mount St. Helens National Volcanic Monument. The ridge goes between Windy Pass and Independence Pass, 1 mile (1.6 km) east of Spirit Lake ...