Where Is the Earth’s Crust the Thickest?
Underneath the continents, the Earth’s crust is the thickest. Under the oceans are the thinnest regions. Geographic location and whether the crust is continental or oceanic affect average thickness substantially. The thickness of the continental crust, or the crust that underlies the continents, is typically between 30 and 45 kilometres. These thicknesses can be found …