Mortality associated with fine particles from wildfires may be underestimated by 93%
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Updates every hour. Last Updated: 13-Sep-2025 19:11 ET (13-Sep-2025 23:11 GMT/UTC)
Rising sea levels could cause seasonal waves to reach Ahu Tongariki, the iconic ceremonial platform that is part of the Rapa Nui National Park, a UNESCO world heritage site by 2080, according to a study published recently by a team of researchers from the University of Hawai‘i at Mānoa. This coastal flooding also threatens to impact up to 51 cultural assets in the area, including Rapa Nui’s world renowned moai statues.
A breakthrough study reveals that low-velocity zones (LVZs) beneath tectonic plates originate from water-rich material rising from Earth’s mantle transition zone (410–660 km depth). Published in National Science Review, the research combines geodynamic modeling and seismic data to show how subduction drives this hydrous upwelling, causing melting that forms LVZs. This process facilitates global water recycling between Earth’s surface and deep interior, reshaping understanding of plate tectonics and mantle evolution.