this post was submitted on 03 Feb 2026
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Solid, iron-rich megastructure under Hawaii slows seismic waves and may drive plume upwelling (phys.org)
submitted 3 weeks ago by rss@news.abolish.capital to c/ecosocial@news.abolish.capital
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Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure within the core-mantle boundary (CMB). A new study, published in Science Advances, takes a deeper dive into the structure under Hawaii using P- and S-wave analysis and mineralogical modeling, revealing its composition and properties.

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