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Mount St. Helen does not erupt in any pattern. When it erupted in 1980, scientist had no idea that it was going to erupt because it did not follow a pattern and it did not have very many precursor.

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14y ago

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Did mt st helens erupt in 2004?

No, Mount St. Helens last erupted in 2008. The most notable eruption of Mount St. Helens occurred on May 18, 1980, resulting in significant devastation to the surrounding area.


Do volcanologists believe that Mount St Helens will erupt again?

tots bro!!


When did mount etna and mount st Helens erupt last?

The eruption of Mount St. Helens in 1980 lasted for 9 hours


Where there warnings of mt st helens?

there were many warnings about mount St.Helen if they had an earthquake it would trigger the volcano to erupt causing the people to know if it will erupt or not


What time did Mt St Helens erupt?

Mount St. Helens erupted on May 18, 1980 at 8:32 a.m. local time.


What time did st helens erupt?

the resting deadly volcano erupted at 8:32 AM


What is the pipe for mount st Helens?

the pipe for mount st. helens is none of your bissunes '


What year did Mount St. Helens erupt?

Mount St. Helens famously erupted on May 18, 1980. Smaller eruptions ocurred from 1980 to 1986, 1989 to 1991, and a few times from 2004 to 2008.


How do you label the layers of mount st helens currently?

not lable, but what are the layers of mount st helens?


What is the volcano that erupted in the state of Washington in 1980?

mount st Helens


Where was the Mount St. Helens eruption?

The Mount St. Helens eruption occurred in Washington state, in the western United States.


What is the largest volcano to erupt on the mainland in the US in 50 years?

Not only the largest be the only volcano to erupt in the U.S. mainland in the past 50 years was Mount St. Helens.