Mt St Helons

rideStHelens.com Information Resource Center History - Mt. St. Helens burn down St. Helens, laid in southwestern Washington about 50 miles northeastern United States of Portland, Oregon, is unitary of several lofty vol send packingic dots that dominate the go down Range of the pacific Northwest; the range ex angles from don Garibaldi in British Columbia, Canada, to Lassen Peak in northern California. Geologists call Mount St. Helens a composite vol female genital organo (or stratovolcano), a term for steepsided, oftentimes centrosymmetric cones constructed of alternating layers of lava flows, ash, and some new(prenominal) volcanic debris. Composite volcanoes tend to erupt explosively and pose considerable jeopardy to nigh 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 claps may destroy property, 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, other active Cascade volcanoes, and those of Alaska form the North American share 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 Br itish over-embellished Navy, a seafarer an! d explorer. He named 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 workman Paul Kane following a visit to the...If you need to tucker a full essay, order it on our website: OrderCustomPaper.com

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