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Mount Hood, the nearest major volcanic peak in Oregon, is 60 miles (100 km) southeast of Mount St. Helens. Mount St. Helens is geologically young compared with the other major Cascade volcanoes. It formed only within the past 40,000 years, and the summit cone present before its 1980 eruption began rising about 2,200 years ago. [ 11 ]
Official death toll, may have been higher; damage figure not adjusted for inflation. 1980 Volcano: 57 $1.1 billion 1980 eruption of Mount St. Helens: Washington state: Damage figure not adjusted for inflation; figure in 2015 dollars is 2,890. 1977 Blizzard: 23 $56.25 billion (1977 USD) Great Lakes Blizzard of 1977: New York and Ontario (esp ...
The ash cloud produced by the eruption, as seen from the village of Toledo, Washington, 35 mi (56 km) to the northwest of Mount St. Helens: The cloud was roughly 40 mi (64 km) wide and 15 mi (24 km; 79,000 ft) high. Ash cloud from Mt. St. Helens as captured by the GOES 3 weather satellite at 15:45 UTC.
Mount St. Helens, once the fifth-tallest peak in Washington State, lost about 1,300 feet from its height of 9,677, according to the USGS. The highest part of the crater rim on the southwestern ...
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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.
This is in part due to the difficulty of measuring the financial damage in areas that lack insurance. For example, the 2004 Indian Ocean earthquake and tsunami, with a death toll of around 230,000 people, cost a 'mere' $15 billion, [1] whereas in the Deepwater Horizon oil spill, in which 11 people died, the damage was six times higher.
A conifer forest will return to Mount St. Helens in its own time. On a debris-avalanche deposit totally devoid of life after May 18, 1980, plants are slowly taking hold of the landscape.