Yakutsk (Якутск; Дьокуускай, ɟokuːskaj) is the capital city of Sakha, Russia, located about south of the Arctic Circle. Fueled by the mining industry, Yakutsk has become one of Russia's most rapidly growing regional cities, with a population of 355,443 at the 2021 Census.
Yakutsk has an average annual temperature of , winter high temperatures consistently well below , and a record low of . As a result, Yakutsk is the coldest city in the world. Yakutsk is also the largest city located in continuous permafrost; the only other large city is Norilsk, also in Siberia. Yakutsk is located in the Central Yakutian Lowland and is a major port on the Lena River. It is served by the Yakutsk Airport as well as the smaller Magan Airport.
The city was founded in 1632 by the Cossacks and was originally called either the Lensky fortress or the Yakutsk fortress. The first version of the toponym came from the hydronym "Lena", the second, from "Yakutia", a synonym for Sakha, eventually became the main one in use. In 1708 it received city status as Yakutsk.
The Yakuts, also known as the Sakha people, migrated to the area during the 13th and 14th centuries from other parts of Siberia. When they arrived they mixed with other indigenous Siberians in the area. The Russian settlement of Yakutsk was founded in 1632 as an ostrog (fortress) by Pyotr Beketov.
In 1639, it became the center of the Voivode of Yakutsk, who became the most important Russian official in the region and directed expansion to the east and south.
The primary economic activity stems from mining activities in the region, particularly coal, gold, and diamonds, with multiple mining companies having set up their headquarters in the city. Precious stones and metals, particularly diamonds, as well as coal, are Yakutsk's major exports. The export volume was 5.55billionin2021,makingitthe16thlargestoutofeighty−fiveofRussia′sfederalsubjects,althoughitcontractedsharply(under1 billion) in 2022. Major imports are machinery, electronics, and appliances.
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Permafrost () is soil or underwater sediment which continuously remains below for two or more years. Land-based permafrost can include the surface layer of the soil, but if the surface is too warm, it may still occur within a few centimeters of the surface down to hundreds of meters. It usually consists of ice holding in place a combination of various types of soil, sand, and rock, though in ice-free ground, perennially frozen non-porous bedrock can serve the same role.
The Russian Far East (Дальний Восток России) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is administered as a part of the Far Eastern Federal District, which is located between Lake Baikal in eastern Siberia and the Pacific Ocean. The area's largest city is Khabarovsk, followed by Vladivostok. The region shares land borders with the countries of Mongolia, China, and North Korea to its south, as well as maritime boundaries with Japan to its southeast, and with the United States along the Bering Strait to its northeast.
The Lena (Ле́на, ˈljɛnə; Елюенэ, Eljune; Өлүөнэ, Ölüöne; Зүлхэ, Zülkhe; Зүлгэ, Zülge) is a river (En: Helen) in the Russian Far East, and is the easternmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob and the Yenisey). The Lena is the eleventh-longest river in the world, and the longest river entirely within Russia, with a length of and a drainage basin of . Permafrost underlies most of the catchment, 77% of which is continuous.