How deep are the five oceans?

Expedition maps hundreds of thousands of miles of previously unexplored seafloor

A jellyfish in the ocean
(Image credit: IBRAHIM CHALHOUB /AFP)

An expedition to map the seafloors of the Earth’s five oceans has provided new insights into their precise depths and locations, scientists say.

The Five Deeps Expedition explored the “key locations where the seafloor bottoms out” in the Pacific, Atlantic, Indian, Arctic and Southern Oceans in order to provide “the most precise information yet” on the oceans’ deepest points, reports the BBC.

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