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Recent research suggests that ultra-low velocity zones (ULVZs), mysterious areas in Earth's deep mantle where earthquake waves significantly slow down, may be more widespread than previously thought[1]. These zones, located near the core-mantle boundary, can reduce seismic wave speeds by up to 50%. Initially believed to be associated primarily with hotspots like Hawaii, new evidence indicates that ULVZs might be present in various locations throughout the mantle[1]. The study, published in AGU Advances, analyzed data from deep earthquakes near New Guinea and found patterns suggesting the presence of ULVZs in unexpected areas, including under North America[1]. While the origin and composition of ULVZs remain uncertain, researchers propose they could be formed from basaltic rock that melted after being subducted into the mantle[1]. Understanding these zones could provide valuable insights into volcanic hotspots and mantle dynamics, though many questions about their nature and role in Earth's interior processes remain unanswered[1]. Citations: [1] https://www.livescience.com/planet-earth/geology/weird-mystery-waves-that-baffle-scientists-may-be-everywhere-inside-earth-s-mantle P. Geo. Ricardo A Valls, M. Sc. and Geo Gadfly Valls Geoconsultant ORCID ID- https://orcid.org/0000-0002-5421-0914 Scopus Author ID: 7003369619/35335510700 ResearcherID: S-6604-2018 If you like this content, please "buy me a coffee" https://www.buymeacoffee.com/goldendroplets