where is the gutenberg discontinuity located
exists and is an alternate of . The Gutenberg Discontinuity, is the boundary, as detected by changes in seismic waves, between the Earth's lower mantle and the outer core about 1800 miles below the surface. It is also called the core-mantle boundary. <b>The Gutenberg Discontinuity</b>, is the boundary, as detected by changes in seismic waves, between the Earth's lower mantle and the outer core about 1800 miles below the surface. It is also called the <b>core-mantle boundary</b>.