The Asthenosphere (from the Greekasthenia, "weakness") is the region of the Earth between 100-700km below the surface. This is the plastic (semi-molten) upper mantle.
... White, 0.00% African American, 0.06% Native American, 0.58% Asian, 0.00% Pacific Islander, 0.26% from other races, and 0.97% from two or more races. 1.88% of the population ...