Mount Saint Helens Case Study Flashcards
1
Q
When was the st mt Helen’s eruption
A
May 18th 1980
2
Q
How much land was destroyed and where
A
370 square miles of USA land. West coast.
3
Q
How many lives were lost and why were people there
A
57 lives lost. It was beside spirit lake which was a popular tourist destination.
4
Q
When had it last erupted before this
A
1857
5
Q
How much magma
A
8 miles down of magma. Some magma from a previous eruption acted as a plug and made the new magma change path. The magma got stuck and was pushing the ground out into a dome shape.
6
Q
What state was it in
A
Washington state, north of Seattle