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Home » Environment and energy » Earth sciences » Mysterious seismic wave speed-up deep within Earth’s mantle explained at last

Mysterious seismic wave speed-up deep within Earth’s mantle explained at last

04 Jul 2025 Isabelle Dumé
Two diagrams, one showing a
Key alignment: Randomly-oriented crystal samples do not reproduce the shear wave velocity jump at the D" discontinuity, while crystals oriented along the (001) slip plane of the material's lattice do. (Courtesy: M Murakami)
Scientists in Switzerland and Japan have uncovered what they say is the first direct evidence that m

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Isabelle Dumé is a contributing editor to Physics World
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