Mt.St.Helens is located in washington state.
last eruptionmay 18,1980.
How is it famous ?earths prosses and natures response.
Interesting fact.The volcanic ash cloud drifted east across the united states in 3 days and encircled earth in 15 days.
Interesting fact.March 20,1980-A magnitude 4.2 earthquake signaled the reawakeiningof the the valcano after 123 years.
Most of mt.st. helens is younger than 3,000 years old younger thanthe pyramids of Egypt.
Type is.....copasa.
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