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Subnautica: Below Zero is an open-world survival action-adventure video game developed and published by Unknown Worlds Entertainment. The game is a spin-off to Subnautica . Introduced in early access via Steam and the Epic Games Store in January 2019, Subnautica: Below Zero was released for macOS , Nintendo Switch , PlayStation 4 , PlayStation ...
In December 2018, the Limiting Factor became the first piloted vessel to reach the deepest point of the Atlantic Ocean, [16] 8,376 m (27,480 ft) below the ocean surface to the bottom of the Puerto Rico Trench, an area subsequently referred to by world media as Brownson Deep. [17] DSV Limiting Factor at South Georgia Island
Aralsor SG-1 (in the Pre-Caspian Basin of west Kazakhstan) and Biyikzhal SG-2 (in Krasnodar Krai), both less than 6,810 metres (22,340 ft) deep, preceded Kola SG-3, which was originally intended to reach 7,000 metres (23,000 ft) deep. [2] Drilling at Kola SG-3 began in 1970 using the Uralmash-4E, and later the Uralmash-15000 series drilling rig.
The Sirena Deep, originally named the HMRG Deep, was discovered in 1997 [1] [2] by a team of scientists from Hawaii. [2] Its directly measured depth of 10,714 m (35,151 ft) is third only to the Challenger Deep and Horizon Deep , currently the deepest known directly measured places in the ocean.
This is a list of places on land below mean sea level. Places artificially created such as tunnels, mines, basements, and dug holes, or places under water, or existing temporarily as a result of ebbing of sea tide etc., are not included. Places where seawater and rainwater is pumped away are included.
Sonar mapping of the Challenger Deep by the DSSV Pressure Drop employing a Kongsberg SIMRAD EM124 multibeam echosounder system (26 April – 4 May 2019). The Challenger Deep is a relatively small slot-shaped depression in the bottom of a considerably larger crescent-shaped oceanic trench, which itself is an unusually deep feature in the ocean floor.
It is the deepest canyon in the world, [1] [a] and at 504.6 kilometres (313.5 mi) is slightly longer than the Grand Canyon in the United States, making it one of the world's largest.
The deepest point, also referred to as Litke Deep, is 5,449 m (17,877 ft) below sea level. It is the closest point of the upper surface of Earth's lithosphere to Earth's center , with Challenger Deep being 14.7268 km (9.2 mi) further from Earth's centre at a bathymetric depth of 6,366.4311 km (3,955.9 mi).