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Mount St. Helens

Published on Nov 18, 2015

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PRESENTATION OUTLINE

MOUNT ST. HELENS

Mount St. Helens is located in Skamania County, Washington.

Mount St. Helens is located in the Cascade Range, part of the Cascade Volcanic Arc, part of the Pacific Ring of Fire that includes over 160 active volcanoes.

Mount St. Helens is an active stratovolcano built up of many layers of hardened lava, tephra, pumice, and volcanic ash.

Mount St. Helens is a huge volcano. It has a height of 8,365 ft (2,550 m)
And a width of 4,605 ft (1,404 m).

Mount St. Helens is most famous for its eruption on May 18, 1980, at 8:32 a.m. This eruption was the most destructive volcanic event in the history of the United States. Fifty-seven people were killed, 250 homes, 47 bridges, 15 miles of railways, and 185 miles of highway were destroyed.

In 1982, President Ronald Reagan and the U.S. Congress created the Mount St. Helens National Volcanic Monument.

Mount St. Helens is a popular climbing place for both beginning and experienced mountaineers.
The peak is climbed year-round, although it is more often climbed from late spring through early fall.

MOUNT ST. HELENS

BY JOSIAH MUZEAU