Seismic waves reveal giant structures deep beneath Earth’s surface

Seismic waves travelling through the Earth have revealed a giant structure between Earth’s molten core and solid mantle under the Marquesas Islands in the South Pacific

Source:
https://www.newscientist.com/article/2245939-seismic-waves-reveal-giant-structures-deep-beneath-earths-surface/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home