The Juan Fernández Ridge is a volcanic island and seamount chain on the Nazca plate . It runs in a west–east direction from the Juan Fernández hotspot to the Peru–Chile Trench at a latitude of 33° S near Valparaíso . The Juan Fernández Islands are the only seamounts that reach the surface.
1-483: Subduction of the ridge beneath South America is thought to have caused the Pampean flat-slab and its associated inland tectonic deformation and reduced magmatic activity. This Chile location article is a stub . You can help Misplaced Pages by expanding it . This tectonics article is a stub . You can help Misplaced Pages by expanding it . Pampean flat-slab Too Many Requests If you report this error to
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