When did Mt. St. Helens erupt last?
1980.
Where is Mt. St. Helens located?
It is located in the Cascade Mountains.
How much magma is released during the eruption?
Millions of tons.
What is pyroclastic flow?
A mass of rock.
How far from the summit is Spirit Lake located?
4 miles.
How many people were killed by the eruption?
57
How far away was the last victim?
13 miles.
How many birds disappeared during the disaster? How many insects?
Thousands and billions.
What happens to Spirit Lake?
It is recognizable.
Explain what the landscape in this region looks like after the eruption.
Death.
What is the "Pacific Ring of Fire?"
It is a vast arc of volcanoes running for thousands of miles.
Explain what has caused the volcano at Mt. St. Helens to erupt?
Pressure 60 miles.
What did the ecologist find when he first came to the mountain after thee eruption?
Death.
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