Izu-Ogasawara Trench

The Izu-Ogasawara Trench, also known as Izu-Bonin Trench, is an oceanic trench in the western Pacific Ocean, consisting of the Izu Trench and the Bonin Trench. It stretches from Japan to the northern most section of Mariana Trench. The Izu-Ogasawara Trench is an extension of the Japan Trench.