
Dýpsti staður jarðar er Challenger-djúpið í Maríana-djúpálunum, 10.935 m. Annar dýpsti staður jarðar er Horizon-djúpið í Tonga-djúpálnum, 10.823 m. Þriðji í röðinni er Sirena-djúpið, 10.713 m.
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