image/svg+xml
Plate Tectonics - Cascade Range
Juan de FucaRidge
A
Pacific Plate
Cascade Range
NorthAmericanPlate
Mount St. Helens
Mount Adams
Juande FucaPlate
SpreadingZone
SubductionZone
Juan de Fuca Ridge
Mount St. Helens
Mount Adams
PacificPlate
Juan de FucaPlate
NorthAmericanPlate
A
B
B