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The average lake on Earth has the mean depth 41.8 meters (137.14 feet) [9] The Caspian Sea ranks much further down the list on mean depth, as it has a large continental shelf (significantly larger than the oceanic basin that contains its greatest depths).
This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2024. The depth value is measured from the highest to ...
10 231.0 ± 2.2 Pilot: Northwest Territories Canada ~6 450 ± 2 Presqu'île: Quebec Canada 15 less than 2729 Ragozinka: Sverdlovsk: Russia 9 56–59 Ramgarh: Rajasthan: India 10 165–750 Red Wing: North Dakota United States 9 167–250 Riachão: Maranhao Brazil 4 less than 299 Ritland: Rogaland Norway 2.7 500–541 Rock Elm: Wisconsin United ...
Deeper and larger than any of the trenches in the list above is the Bentley Subglacial Trench in Antarctica, at a depth of 2,540 m (8,330 ft). It is subglacial, covered permanently by the largest glacier in the world. Therefore, it is not included in any list on the page. If the ice melted it would be covered by sea.
As the race in space was winding down, soviet scientists turned inwards. You'd never guess that this is the site of one of their great achievements. This hard-to-find rusty cap in the ruins of a ...
This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
Scientists drilled the deepest core yet, reaching near Earth's mantle, ... studying the mantle is a great place to start. ... that average contains outliers—areas of the world where the crust is ...
The World’s Deepest Holes Can Fight Climate Change ThomasVogel - Getty Images Tapping into the energy content of heat stored underground would meet the world’s energy needs.