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Mount St. Helens is geologically young compared with the other major Cascade volcanoes. It formed only within the past 40,000 years, and the pre-1980 summit cone began rising about 2,200 years ago. The volcano is considered the most active in the Cascades within the Holocene epoch (the last 10,000 or so years).
What else can I help you with?
What kind of volcano is Mount St. Helens in Washington?
Mount St. Helens, an active stratovolcano, is of the composite type.
Is st Helens a active volcano?
Mount st. Helens is an active volcano cause it lost erupted in 2005 Decmber 17
What is the classification of mount st Helens?
Mount St. Helens is classified as an active stratovolcano in the Cascade Range in Washington state, USA. It is part of the Pacific Ring of Fire due to its location along the boundary of the Juan de Fuca Plate and the North American Plate.
What kind mountain is mount st Helens?
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is part of the Cascade Range. The mountain is well known for its catastrophic eruption in 1980 which dramatically changed its landscape.
How did the people die of mount st Helens?
Mount St Helens was an active volcano..... put 2 and 2 together. Lava and Humans dont mix very well!
What kind of volcano is Mount St. Helens in Washington?
Mount St. Helens, an active stratovolcano, is of the composite type.
Is mount st helens active extinct or dormant?
Right now Mount St Helens is dormant.
Is Mount St Helens an active volcano?
Yes it is an active volcano.
Is st Helens a active volcano?
Mount st. Helens is an active volcano cause it lost erupted in 2005 Decmber 17
What type is mount st helens?
It's an active stratovolcano
Is Mount St. Helens explosive?
Yes, it is still active.
Where can you find active volcanoes?
mount st helens of united states
What is the closest active earthquake zone to Minnesota?
Mount st. Helens
Which country is mt St. Helens in?
Mount St. Helens is in the United States. It is an active volcano located in Skamania County, Washington.
What is the classification of mount st Helens?
Mount St. Helens is classified as an active stratovolcano in the Cascade Range in Washington state, USA. It is part of the Pacific Ring of Fire due to its location along the boundary of the Juan de Fuca Plate and the North American Plate.
Why is Mount St Helens active?
It is still active, because some smoke is still rising from it.
What kind mountain is mount st Helens?
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is part of the Cascade Range. The mountain is well known for its catastrophic eruption in 1980 which dramatically changed its landscape.
