Where are volcanoes located in the continental US?

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Volcanoes usually form at the boundary between the Earth’s tectonic plates, which is why in America, they’re mostly concentrated in the West, Hawaii, and Alaska.
Most of the volcanoes of the United States are located along the West Coast, at the subduction of the Pacific and North American tectonic plates. During the 20th century there were only two eruptions in the contiguous United States; Lassen in 1915, and Mount St. Helens in 1980.
Active Volcanoes in the Continental United States. Volcanoes are vents or openings in the ground that allow lava or steam to erupt onto the Earth’s surface. A volcano is classified as active if it has erupted in the last 10,000 years. The continental United States has over 65 active volcanoes identified by scientist.
The west coast of the United States has plenty of volcanoes in the Cascades as a result of the Juan de Fuca plate subducting under North America. The South American plate is experiencing subduction under most of the west coast of South America as the Nazca plate in the Pacific is diving under it.

Also, where do you expect volcanoes to happen in North America? A volcano is a rip in the earth’s crust typically found along the ridges where tectonic plates converge and diverge. Most volcanoes in North America are located along the west coast along the intersection of the Pacific plate and continental North American tectonic plate.

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