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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.
Oct 30, 2023 · Prior to 1980, Mt. St. Helens had the shape of a conical volcano sometimes referred to as the Mount Fuji of America. During the 1980 eruption the upper 400 m (1,300 ft) of the summit was removed by a huge debris avalanche, leaving a 2 x 3.5 km horseshoe-shaped crater now partially filled by a lava dome and a glacier.
Some Native Americans of the Pacific Northwest variously called Mount St. Helens 'lawilátɬa', or 'one from whom smoke comes'. The volcano lawilátɬa is listed (as Lawetlat’la) on the National Register of Historic Places and acknowledged as a Traditional Cultural Property of significance to the Cowlitz Indian Tribe and Confederated Tribes and Bands of the Yakama Nation.The modern name ...
Mar 9, 2018 · Beginning on March 16, 1980, a series of thousands of earthquakes and hundreds of steam explosions (known as phreatic explosions) began at Mount St. Helens, causing its outward north side to grow ...
- Mount St. Helens
Before 1980, snow-capped, gracefully symmetrical Mount St. Helens was known as the "Fujiyama of America." Mount St. Helens, other active Cascade volcanoes, and those of Alaska comprise the North American segment of the circum-Pacific "Ring of Fire," a notorious zone that produces frequent, often destructive, earthquake volcanic activity.
Nov 9, 2023 · Volcanism occurs at Mount St. Helens and other volcanoes in the Cascades arc due to subduction of the Juan de Fuca plate off the western coast of North America. Over its rich and complex 275,000-year history, Mount St. Helens has produced both violent explosive eruptions of volcanic tephra and relatively quiet outpourings of lava.
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May 6, 2020 · A series of lava flows begins to form the edifice we now know as Mount St. Helens, making the peak younger than the Great Pyramids of Giza. 1792. Explorer George Vancouver names the peak after fellow Brit—Alleyne Fitzherbert, Baron St. Helens. The local Native American tribe had long called it Lawetlat'la, or “smoker.”
