deepest water in the earth
Deepest water found 1000km down, a third of way to Earthâs core. JULES VERNEâs idea of an ocean deep below the surface in Journey to the Centre of the Earth may not have been too far off. Earthâs mantle may contain many oceansâ worth of water â with the deepest 1000 kilometres down.
Measuring the Greatest Ocean Depth. The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. In 2010 the United States Center for Coastal & Ocean Mapping measured the depth of the Challenger Deep at 10,994 meters (36,070 feet) below sea level with an estimated vertical accuracy of Â± 40 meters.