Case study: Yellowstone Super Volcano Flashcards
A 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?
Very north of the USA
Near the border of Canada
In the Cascade mountain range
Part of the pacific ring of fire
What kind of volcano is Mt St Helen’s?
A composite volcano
How many people died in the eruption of Mt St Helen’s?
57
Name one physical effect of Mt St Helen’s?
Rivers flooded and silted up to 24km
400 square km of forests were flattened and disappeared
Roads and bridges demolished
Economic losses from Mt St Helen’s eruption?
US $1.2 BILLION (1980 VALUES)
How many houses were destroyed in Mt St Helen’s eruption?
250
What would a secondary effect of 12% of crops being destroyed?
Loss of farming income
Case study for super volcano?
Yellowstone, USA
Where is Yellowstone?
Northwest USA
Is Yellowstone on a plate boundary?
No, its above a hotspot
How much lava will be produces by an eruption at Yellowstone?
10,000km
In what radius will everything be destroyed after an eruption at Yellowstone?
100miles
How much of the USA will be uninhabitable after an eruption at Yellowstone?
Two Thirds
