How many eruptions has Mt St Helen's had?

Answer 1

Mount Saint Helens is located south of Seattle, Washington. In recent history, it has had a major eruption in 1980, and has been active in varying degrees of intensity since then. Which of these active periods can be classified as eruptions is up for debate.

Answer 2

i dont really count the eruptions but mntst helens is the most active volcano in the paccific north west. its last major eruption was on may 18th 1980 this one answer said that it was on march 20th 1980. but it was on may 18th duh

Answer 3

Mount St Helen's has been active for over 40,000 years and is still active.

To count the amount of eruptions over such a large period is impossible to answer.

The last major eruption was on March 20, 1980.

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the last major eruption was not march 20, it was May 18, 1980

Answer 4

Mt. St. Helens has had a total of five major explosive eruptions in its history. The most recent and most notable eruption occurred on May 18, 1980, which resulted in the catastrophic destruction of the volcano's north side.