Krubera Cave (Abkhazian: Ӡоу Аҳаҧы, Georgian: კრუბერის გამოქვაბული or კრუბერის ღრმული, romanized: k'ruberis gamokvabuli or k'ruberis ghrmuli; also known as Voronya Cave, sometimes spelled Voronja Cave) is the second-deepest-known cave on Earth after the Veryovkina Cave. It is located in the Arabika Massif of the Gagra Range of the Western Caucasus, in the Gagra district of Abkhazia, a breakaway region of Georgia.The difference in elevation of the cave's entrance and its deepest explored point is 2,197 ± 20 metres (7,208 ± 66 ft). It became the deepest-known cave in the world in 2001 when the expedition of the Ukrainian Speleological Association reached a depth of 1,710 m (5,610 ft) which exceeded the depth of the previous deepest-known cave, Lamprechtsofen, in the Austrian Alps, by 80 metres (260 ft). In 2004, for the first time in the history of speleology, the Ukrainian Speleological Association expedition reached a depth greater than 2,000 metres (6,600 ft), and explored the cave to −2,080 m (−6,824 ft). Ukrainian diver Gennadiy Samokhin extended the cave by diving in the terminal sump to 46 metres' depth in 2007 and then to 52 m in 2012, setting successive world records of 2,191 m and 2,197 m, respectively. Krubera is one of the two known caves on Earth deeper than 2,000 metres.
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