Mount Saint Helens Eruption Facts

Front

What is a Lahar?

Back

A muddy flow that builds up after an eruption that cause destruction of everything that gets in its path.

Front

At what date and time did the Eruption of Mount Saint Helens happen?

Back

5/18/1980 at 8:32

Front

What Volcanic rock was deep within Mount Saint Helens before its Eruption?

Back

Magma

Front

What did the scientist predict the eruption was going to be for Mount Saint Helen?

Back

A Vertical eruption.

Front

An eruption that damages a huge area on one side of the volcano and is a much farther distance of damage.

Back

Lateral Eruption

Front

An Eruption that only will damage an area around and on the volcano.

Back

Vertical Eruption

Front

Magma comes in contact with the ice on the volcano.

Back

Evaporation

Front

What is the magnitude level range for earthquakes?

Back

1-10

Front

What level of magnitude of earthquake happen right before the eruption of Mount Saint Helens?

Back

5

Front

What was Mount Saint Helens eruption type?

Back

Lateral eruption