Earth’s Deep Mantle Giants Reshape the Height Chart: 1,000-km Structures Beneath Africa and the Pacific
A Utrecht University study using full-planet normal-mode seismology reveals two Large Low Shear Velocity Provinces beneath Africa and the central Pacific, rising about 1,000 kilometers from the core–mantle boundary. These thermochemical structures, billions of years old, appear to anchor mantle flow and influence surface tectonics; they are not surface mountains, but if placed at the surface they would extend high into the atmosphere, effectively redefining what counts as Earth's tallest feature.
