As temperatures sunk to minus 50C and below, schools and kindergartens were closed for the world's hardiest children.
Bitterly cold - but absolutely stunning winter in Yakutia. Picture: Planet Yakutia
The coldest recorded temperature on Thursday was at Borogontsy in the Sakha Republic (Yakutia) which sank to minus 53C. Many children were ordered to stay home.
Yet this is still too warm for the official school closing temperature in Oymyakon - the world's coldest inhabited place - of minus 56C for schoolchildren. Kindergartens shut at minus 52C. Heavy frosts claimed the lives of two elderly people who died of frostbite in Khabarovsk.
Thirty residential blocks were left without heating in Vladivostok on Thursday morning. The city, prone to harsh winds, extended school holidays until 14 January. Five days of exceptionally cold weather is expected in Eastern Siberia and the Far East.
Scientist Vladimir Surdin believes 'silver clouds' were the cause of the multi-coloured night sky witnessed by thousands of people.
In one case, classified secrets were leaked to a foreign power, in the other there was an intention to leak.
The fatal accident was some 200km east of Tyumen in Siberia when an oncoming car struck a 1970 Chevrolet C10 driven by Emma Wilkinson, 47.
The highway, connecting the cities of Yakutsk with Magadan takes its name from those in gulag camps who perished constructing the bleak road.
The Siberian Times keeps writing about the unique seals sanctuary organised by Lora Beloivan from Vladivostok.