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It was formed from converget bounderies.
What else can I help you with?
Where was the explosion of mt st Helens?
At Mt. St. Helens.
When was mt st helens formed?
In formed within the last 4000 year time period.
What Volcano in the northwestern US?
Mt. St. Helens Mt. St. Helens
Why are volcanoes such as Mt St Helens on the North American plate?
Mt. St. Helens was formed when the North American Plate passed over a hot spot on the Earth's crust. A hot spot is a weak spot in the Earth's crust that magma can escape through. This hot spot is now the vent of Mt. St. Helens.
When was the first eruption of mt st helens?
Mt St Helens first erupted on May 18, 1980
Whice state is mount st Helens you?
Mt st. Helens is in Washington.
Where is Mt St Helenas?
mt. st. helens is in the state of Washington
Mountain Range home to Mt St Helens?
Mt. st. Helens is part of the High Cascade Range of mountains.
What is mount st helens landmark?
Mt St Helens is located in Skamania,County
Is mt st Helens a violent or nonviolent volcano?
Mount St Helens is violent.
How many miles is Tacoma from Mt Rainier and Mt St Helens?
Tacoma is approximately 50 miles from Mount Rainier and 75 miles from Mount St. Helens.
Why a bulge formed on the north side of mt. St. Helens just before it erupted?
A "bulge" developed on the north side of Mount St. Helens as magma pushed up within the peak.
