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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 the lowest accessible cave point. The depth value is measured from the highest to the lowest accessible cave point.
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.
Molloy Deep, also in Arctic Ocean (at 6,357.5178 km or 3,950 mi) from Earth's centre contends closely with Litke Deep, the difference from Earth's centre being just 389 m (1,276 ft). The point on the ocean surface farthest below sea level is located in the Indian Ocean , about 1,200 km (750 mi) southwest of India, the Indian Ocean Geoid Low ...
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 2,224 m (7,297 ft), which is the depth of Krubera 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 ...
Buckskin Gulch, Utah—possibly the longest, deepest slot canyon in the world at over 13 mi (21 km); a tributary of the Paria River; Cane Creek Canyon, Alabama; Canyon de Chelly, Arizona; Canyonlands National Park, canyons of the Colorado River and its main tributary the Green River, Utah