The Amurian microplate is a division within the Eurasian plate, with an unknown western boundary, defined on the south by the Qinling suture zone in central China and the
Baikal Rift Zone and
Stanovoy Mountains on the north. The
Baikal Rift Zone is considered a boundary between the Amurian Plate and the Eurasian plate. GPS measurements indicate that the plate is slowly rotating counterclockwise. The boundary with the Okhotsk Plate is the
eastern margin of the Sea of Japan. ==Geography==