Volcanic Eruption - Mt St Helen's Flashcards
What is our case study for a volcanic eruption in an MEDC?
Mount St Helen’s USA
What date did Mt St Helen’s erupt?
18th May 1980
Where is Mt St Helen’s
In the very north of the USA, near the border of Canada, in the Cascade mountains range. It is part of the Pacific Ring of Fire
What kind of volcano is Mt St Helen’s
A composite volcano
How many people died due to the eruption of Mt St Helen’s?
57
Name one physical effect of Mt St Helen’s
Rivers were flooded and silted for up to 24 kilometres, 400 square kilometres of forests were flattened and disappeared, and roads and bridges were demolished
What were the economic losses as a result of the eruption of Mt St Helen’s
US $1.2 billion (in 1980 values).
How many houses were destroyed in Mt St Helen’s eruption?
250
What would be a secondary effect of 12% of crops being destroyed
Loss of farming income