Juan de Fuca Plate location
The Juan de Fuca Plate lies offshore from the Pacific Northwest, between the Pacific and North American plates. Most of its surface is beneath the ocean.
BOUNDARIES
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Plate colours identify regions, not risk.
Cascadia subduction
At Cascadia, oceanic lithosphere descends beneath North America. This subduction system is linked to the Cascade volcanic arc inland from the coast.
Neighbouring oceanic plates
Regional maps distinguish Explorer to the north and Gorda to the south. Global models may group parts of this system differently, so compare their labels before matching outlines.
Sources and map method
Plate outlines use Peter Bird's PB2002 model, distributed by Nordpil under the Open Data Commons Attribution licence. Coastlines and country outlines are Natural Earth public-domain data. Boundary detail is limited by the source model.
- USGS: Volcanoes and subduction in the Pacific Northwest
- USGS: Cascadia subduction setting
- Map dataset sources and licences
- PB2002 geometry and licence
- Natural Earth terms
Country lookup compares simplified land outlines with the plate model. Boundaries and historical coastlines are modelled features. This atlas explains geography; it does not predict earthquakes or provide site-specific hazard estimates.