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What year was the largest eruption in the us?
The largest eruption in the USA was Mount St. Helen's in Washington state.
When will Yellowstone blow?
Yellowstone National Park sits on top of one of the largest, most active, and potentially most explosive volcanoes in the world. The caldera of the volcano is roughly 28x47 miles in size, centered roughly under Yellowstone Lake. The last known eruption, a relatively minor event, occurred about 70,000 years ago. There have been three "super eruptions" of Yellowstone over the past 2.1 million years, each with an interval of about 660,000 - 800,000 years. The last giant caldera-forming super eruption occurred about 640,000 years ago. Those looking for patterns point out that we are due for another super eruption, based on the past interval. However, there is no evidence to suggest that Yellowstone's eruptions are cyclical. There currently is no way to predict when Yellowstone will next erupt, but when it does, it most likely will not be the super eruption people speak about. Seismic studies suggest that the magma chamber under Yellowstone is cooling and a large portion of the magma has solidified, making a large eruption highly unlikely. If a super eruption does occur, however, it will smother much of the United States and change weather patterns throughout the world for years, displacing an estimated 1,000 times more rock and ash than the Mount St. Helen's eruption of 1980.
How was Mount Saint Helen eruption different from other eruptions?
The eruption of Mount Saint Helens was different from other explosive eruptions in that the initial blast was to the side, rather than straight up.
Are Mount St Helen's eruptions quiet or explosive?
Mount St Helens has produced both quite and explosive eruptions. It is best known for a very large explosive eruption in 1980.
How many times has Mount st Helen's?
I believe 38 times including the 1980 eruption, but 45 or more counting all the little eruptions that have occured since.
Was the eruption of Mount St Helen's a quiet eruption?
no it was a loud eruption
What eruption does Mt St Helen's have?
The eruption that Mt St Helen has is an exploding volcano that shoots lava and rocks into the air.
How many eruptions has Mt St Helen's had?
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.
Is mount st Helen's eruptions violent or quiet?
Mount Saint Helens is actually both viloent andquiet
What is a good last name for a character that survives the Mt. St Helens eruption?
Helen
What was the majors eruptions of mt st Helens?
The major eruptions of mt st Helen where that it was very active and the ground in the volcano always had a earth quake and so the made the eruptions in mt st Helen still active but was deadly in the 1900s.
What were other bad volcano eruptions?
Mount St. Helen
