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The Kyshtym disaster, sometimes referred to as the Mayak disaster or Ozyorsk disaster in newer sources, was a radioactive contamination accident that occurred on 29 September 1957 at Mayak, a plutonium production site for nuclear weapons and nuclear fuel reprocessing plant located in the closed city of Chelyabinsk-40 (now Ozyorsk) in Chelyabinsk Oblast, Russian SFSR, Soviet Union.
Chelyabinsk is located to the east behind the south part of the Ural Mountains and runs along the Miass River. The area of Chelyabinsk contained the ancient settlement of Arkaim, which belonged to the Sintashta culture. In 1736, a fortress by the name of Chelyaba was founded on the site of a Bashkir village. Chelyabinsk was granted town status ...
The hypocentre of the explosion was to the south of Chelyabinsk, in Yemanzhelinsk and Yuzhnouralsk. Due to the height of the air burst, the atmosphere absorbed most of the explosion's energy. [41] The explosion's blast wave first reached Chelyabinsk and environs between less than 2 minutes 23 seconds [citation needed] and 2 minutes 57 seconds ...
The latest asteroid also fell almost on the exact 10-year anniversary of the Chelyabinsk explosion, which occurred over Russia on 15 February, 2023. It was the most powerful asteroid strike in ...
Kyshtym is near the Ozyorsk nuclear complex, also known as "Mayak" ("lighthouse" in Russian), where on September 29, 1957, a violent explosion involving dry nitrate and acetate salts in a waste tank containing highly radioactive waste, contaminated an area of more than 15,000 square kilometers (Ozyorsk was the town built around the Mayak combine, but it was a closed city, which was not marked ...
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The Chelyabinsk regional government in the southern Ural mountains, said on the Telegram messaging app that a 100-metre section of the dam at the Kialimsky reservoir had burst and four villages ...
NASA visualization and narration of the Chelyabinsk meteor air burst. A meteor air burst is a type of air burst in which a meteoroid explodes after entering a planetary body's atmosphere . This fate leads them to be called fireballs or bolides , with the brightest air bursts known as superbolides .