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Science drill ship sets depth record off Japan. Published. 19 May 2021. ... Researchers working off the coast of Japan lowered a giant piston corer through more than 8km of water in order to pull ...
On May 14, the ship's crew aboard the Japanese research vessel Kaimei lowered a giant piston corer 26,322 feet (8,023 m) through the Pacific Ocean into the Japan Trench. For comparison, Mount Fuji ...