Mt St Helons

rideStHelens.com Information Resource Center History - Mt. St. Helens turn on St. Helens, rigid in southwestern Washington about 50 miles northeastward of Portland, Oregon, is unitary of several lofty vol send packingic dots that dominate the cascade Range of the pacific Northwest; the range ex moves from climbing Garibaldi in British Columbia, Canada, to Lassen Peak in northern California. Geologists call Mount St. Helens a composite vol potbellyo (or stratovolcano), a term for steepsided, frequently bilaterally symmetrical cones constructed of alternating layers of lava flows, ash, and early(a) volcanic debris. Composite volcanoes tend to erupt explosively and pose considerable jeopardy to near life and property. In contrast, the gently sloping resistance volcanoes, such(prenominal) as those in Hawaii, typically erupt nonexplosively, producing fluid lavas that can flow great distances from the brisk vents. Although Hawaiian-type eructations may destroy prop erty, they rarely cause death or injury. Before 1980, snow-capped, gracefully symmetrical Mount St. Helens was known as the Fujiyama of America. Mount St. Helens, some other active Cascade volcanoes, and those of Alaska form the North American element of the circum-Pacific fence of Fire, a notorious zone that produces frequent, often destructive, quake and volcanic activity.

Some Indians of the Pacific Northwest variously called Mount St. Helens Louwala-Clough, or smoking mountain. The modern name, Mount St. Helens, was given to the volcanic peak in 1792 by Captain George Vancouver of the British magnif icent Navy, a seafarer and explorer. He name! d it in honor of a fellow countryman, Alleyne Fitzherbert, who held the appellation Baron St. Helens and who was at the time the British Ambassador to Spain. Vancouver in like manner named three other volcanoes in the Cascades--Mounts Baker, Hood, and Rainier--for British naval officers. Indians on the Cowlitz River watch an eruption of Mount St. Helens, as painted by Canadian creative person Paul Kane following a visit to the...If you need to take a full essay, order it on our website: OrderCustomPaper.com

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