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Japan Says It Found Rare Earth in Sediment Retrieved on Deep-Sea Mission

Japan's test mission retrieved sediment with rare earths from 6,000 meters deep near Minami Torishima, aiming to reduce 70% rare earth import reliance on China, officials said.

  • On Monday, February 2, 2026, Japan's government said it retrieved rare-earth-rich seabed mud from 6,000 metres near Minamitorishima, with the first batch lifted on February 1, by the deep-sea drilling vessel Chikyu.
  • Japan relies on China for roughly 60–70% of its rare-earth imports, prompting a push for alternative supplies after Beijing blocked exports of 'dual-use' items last month.
  • Prior tests in 2022 lifted mud from about 2,400 metres, and the latest trial more than doubled that depth, confirming operation under greater water pressure.
  • Officials called the retrieval meaningful, with analysis to be conducted after February 15, 2026, and a report due by March 2028.
  • Japan plans a full-scale test excavation in February 2027 aiming to recover up to 350 tons per day, with Minami Torishima estimated to hold more than 16 million tons of rare earths, which could secure a domestic supply chain if viable.
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upday broke the news in on Monday, February 2, 2026.
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