The
Sunda Trench, earlier known as, and sometimes still indicated as the
Java Trench, is located in the northeastern
Indian Ocean, with a length of . The maximum depth of (at 10°19'S, 109°58'E, about 320 km south of
Yogyakarta), is the deepest point in the
Indian Ocean. The trench stretches from the
Lesser Sunda Islands past
Java, around the southern coast of
Sumatra on to the
Andaman Islands, and forms the boundary between
Indo-Australian Plate and
Eurasian plate (more specifically,
Sunda Plate). The trench is considered to be part of the
Pacific Ring of Fire as well as one of a ring of
oceanic trenches around the northern edges of the
Australian Plate.