Mount St. Helens

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when was the biggest eruption by mount st. Helnes

1980 may 18th

when did mount st. Helens last erupt

2008 July 10th

how high up is the volcano

3000 meters above sea level

how much of the crust of the volcano was removed in 1980

396 meters removed from the top of the crust

how high was the ash when the volcano erupted

60000 feet in the hair

What type of damage was caused by the Mount St Helens volcano eruption

In terms of economic impact, the Mount St. Helens eruption was the most destructive in U.S. history. Fifty-seven people are known to have died. More than 200 homes were destroyed. More than 185 miles of roads and 15 miles of railways were damaged

what is mount st Helens

Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States.

How did Mount St Helen form

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. Location of magma formation, accumulation, and storage beneath Mount St. Helens

where is mount st. Helens

Washington

when did mount st. Helens become a volcano

in 1835


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