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Although minor steam explosions may have occurred in 1898, 1903, and 1921, Mount St. Helens gave little or no evidence of being a volcanic hazard for more than a century after its eruption in 1857.

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17y ago

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What lay dormant for 130 years until 1980?

mount st helens


How long was mount saint Helens inactive for?

it lasted for 5 minutes! alot can happen in a matter of secounds!! on one of the question they put48 hours!! WHAT!! Answer: 5 minutes :)


How many deaths occured in the mount St Helens eruptions?

The 1980 eruption of Mount St. Helens killed 57 people.


How tall was mount st helens in 1980?

Mount St. Helens was 9,677 feet (2,950 meters) tall before its eruption in 1980. After the eruption, the height of the mountain is now about 8,363 feet (2,549 meters).


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

mount st Helens


What was the destruction on Mount St Helens?

1980


Which town did mount st helens destroy on 1980?

The town that Mount St. Helens destroyed in 1980 was the town of Toutle in Washington State, United States.


What is the name of the peak that had a powerful eruption in 1980?

Mount St. Helens in Washington state had a powerful eruption on May 18, 1980.


What was mt st Helens most famous eruption?

The 1980 eruption of Mount St. Helens.


How tall is Mt St Helen's before 1980 eruption?

Mount St. Helens was approximately 9,677 feet (2,950 meters) tall before the 1980 eruption.


After 123 years of being dormant mount saint helens erupted on what date?

On May 18, 1980. The previous major eruption was in 1800, with smaller releases of steam and ash from 1831 to 1857.


Has mt st helens erupted before 1980?

Yes, many times.Most recently prior to 1980 was a 57-year eruptive period that started in 1800 was named after the Goat Rocks dome, and is the first time that both oral and written records exist of Mount Ste. Helens erupting.