It was formed from converget bounderies.
At Mt. St. Helens.
In formed within the last 4000 year time period.
Mt. St. Helens Mt. St. Helens
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.
Mt St Helens first erupted on May 18, 1980
Mt st. Helens is in Washington.
mt. st. helens is in the state of Washington
Mt. st. Helens is part of the High Cascade Range of mountains.
Mt St Helens is located in Skamania,County
Mount St Helens is violent.
Tacoma is approximately 50 miles from Mount Rainier and 75 miles from Mount St. Helens.
A "bulge" developed on the north side of Mount St. Helens as magma pushed up within the peak.