<Tr> <Th> Features </Th> <Td> Pacific Ocean </Td> </Tr> <Tr> <Td_colspan="2"> Relative to the African Plate </Td> </Tr> <P> The Juan de Fuca Plate is a tectonic plate generated from the Juan de Fuca Ridge and is subducting under the northerly portion of the western side of the North American Plate at the Cascadia subduction zone . It is named after the explorer of the same name . One of the smallest of Earth's tectonic plates, the Juan de Fuca Plate is a remnant part of the once - vast Farallon Plate, which is now largely subducted underneath the North American Plate . </P> <P> The Juan de Fuca plate system has its origins with Panthalassa's oceanic basin and crust . This oceanic crust has primarily been subducted under the North American plate, and the Eurasian Plate . Panthalassa's oceanic plate remnants are understood to be the Juan de Fuca, Gorda, Cocos and the Nazca plates, all four of which were part of the Farallon Plate . </P>

Where is the juan de fuca plate located