Cascade Range Volcanoes
The arc has formed due to subduction along the cascadia subduction zone. Eruptions in the cascade range. https://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Cascade_Volcanic_Arc.jpg/260px-Cascade_Volcanic_Arc.jpg Cascade Volcanoes Wikipedia The mountains are home to both non volcanic mountains and volcanoes as it lies within the pacific ring of firethe cascade volcanoes are responsible for all of the volcanic eruptions in the conterminous united states in the past 200 years.