The transition zone between the crust and mantle is called as mohorovicic discontinuity.
- Andrija Mohorovicic made the discovery of the mohorovicic discontinuity in 1909.
- The Moho is located 8km below the ocean's surface and 35km beneath the continents. Both the continental crust and the oceanic crust are separated from the underlying mantle by the Moho.
- Only beneath the Mid Oceanic Ridge does the Moho define the border between the lithosphere and asthenosphere, which is almost totally within the lithosphere.
- The P wave's velocity is 6 km/sec immediately above the Moho and increases to 8 km/sec shortly below the Moho.
- Moho is distinguished by up to 500 km of thickness. The bottom boundary of the Earth's crust is marked by the Mohorovicic Discontinuity. It occurs at a typical depth of 32 kilometers below continental surfaces and 8 kilometers beneath ocean basins.
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