Manned submersible finds a fault scarp of the 2011 Tohoku-oki megaquake in the Japan Trench

On September 4, 2022, Hayato Ueda, a geologist at Niigata University, boarded a submarine vehicle with pilot, Chris May, and took a dive into the Japan Trench within the epicenter area of the 2011 Tohoku-oki megaquake, which caused the devastating tsunami disaster.