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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 :)
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∙ 13y ago
Wiki User
∙ 9y agoMount St. Helens is about 40,000 years old.
Wiki User
∙ 12y agoIt was considered dormant for 123 years before erupting again.
Wiki User
∙ 12y agomount saint helens was active for 670,000 million years
Wiki User
∙ 12y agoMt.St. Helens usally erupt every 100 years or more. Sometime less.
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∙ 15y agosdfgsd dfsgsdfgdfyes
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For how long had mount st helens been inactive?
123 years
What is a volcano that hasn't erupted in a long time and is unlikey to erupt again?
An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future
How far away is the Columbia river from Mount St Helens?
Mount St. Helans is aproximatly 120km or 75 miles away from the pacific ocean.
Was Mt Saint Hellens Eruption long or short?
The eruption of Mount St. Helens in 1980 was relatively short, lasting for about nine hours. However, the effects of the eruption, including the eruption column and pyroclastic flows, had long-lasting impacts on the surrounding area.
What volcanoes are similar to mount enta?
Some volcanoes similar to Mount Etna in terms of being stratovolcanoes with frequent eruptions are Mount Vesuvius in Italy, Mount Fuji in Japan, and Mount St. Helens in the United States. These volcanoes also have a long history of volcanic activity and are located near populated areas.
For how long had mount st helens been inactive?
123 years
How long would it take to hike mount st helens?
how long would it take to hike mount st Helens
How long has mount St Helens been formed?
Penis
When is mount saint helens going to erupt again?
Scientists are unsure about this. Some are predicting that it's going to happen soon and others think it's not going to happen for a long time.
What is a volcano that hasn't erupted in a long time and is unlikey to erupt again?
An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future
How far away is the Columbia river from Mount St Helens?
Mount St. Helans is aproximatly 120km or 75 miles away from the pacific ocean.
What volcanoes are similar to mount enta?
Some volcanoes similar to Mount Etna in terms of being stratovolcanoes with frequent eruptions are Mount Vesuvius in Italy, Mount Fuji in Japan, and Mount St. Helens in the United States. These volcanoes also have a long history of volcanic activity and are located near populated areas.
How long did it take to rebuild the towns that were burnt down by the mount St. Helens eruption of 1980?
1 second
Has there ever been a volcano in THE USA?
Yes, there are several volcanoes in the western United States. Also, the state of Hawaii consists of volcanoes.
Who was the first to climb Mount Saint Helen's?
The first known ascent of Mount St. Helens was by Benjamin L.E. Bonneville in 1833, although indigenous peoples in the region had long been familiar with the mountain.
What are the active and inactive volcanoes?
Active volcanoes are currently erupting or have erupted in modern history, while inactive volcanoes are dormant and have not erupted for a long time but could potentially become active again in the future. Some examples of active volcanoes include Kilauea in Hawaii and Mount Etna in Italy, while examples of inactive volcanoes include Mount Rainier in the United States and Mount Kilimanjaro in Tanzania.
Why did mount st helens go boom?
Pressure inside the earth caused the explosion aftera long build up.
