Juan De Fuca
geo:plate:juan_de_fucaJuan de Fuca Plate: small remnant (~250,000 km²) of the ancient Farallon Plate in the Pacific NW; subducting beneath the North American Plate along the Cascadia subduction zone; drives Cascade volcanoes (Mt St Helens, Mt Rainier); fault capable of Mw ~9 megathrust earthquakes.