Asthenosphere is a layer inside the earth.It is found beneath the lithosphere layer nearly 640mt below the surface.Asthenosphere is made up of molten semi liquid state of rocks and minerals.It is poured out as lava during the valcanic action.
a zone of earth's mantle that lies beneath the lithosphere and consist of several hundred kilometers of deformable rock. it is relatively soft layer which is beneath the lithosphere and above the lower mantle