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The Chernobyl disaster[ a ] began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in the north of the Ukrainian SSR, close to the border with the Byelorussian SSR, in the Soviet Union. [ 1 ] It is one of only two nuclear energy accidents rated at seven—the maximum severity ...
Effects of the Chernobyl disaster. The 1986 Chernobyl disaster triggered the release of radioactive contamination into the atmosphere in the form of both particulate and gaseous radioisotopes. As of 2024, it was the world's largest known release of radioactivity into the environment.
Initially, the Soviet Union 's toll of deaths directly caused by the Chernobyl disaster included only the two Chernobyl Nuclear Power Plant workers killed in the immediate aftermath of the explosion of the plant's reactor. However, by late 1986, Soviet officials updated the official count to 30, reflecting the deaths of 28 additional plant ...
For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels of radiation affect their health, growth, and evolution. A new study ...
10-kilometre and 30-kilometre Zones. The Exclusion Zone was established on 2 May 1986 soon after the Chernobyl disaster, when a Soviet government commission headed by Nikolai Ryzhkov [ 8]: 4 decided on a "rather arbitrary" [ 6]: 161 area of a 30-kilometre (19 mi) radius from Reactor 4 as the designated evacuation area.
The Chernobyl disaster was a catastrophic nuclear disaster rated a level 7 accident on the International Nuclear Event Scale, alongside the Fukushima nuclear accident. The accident occurred at 01:23 MSD on April 26th, 1986, at the Chernobyl Nuclear Power Plant in Soviet Ukraine. The accident occurred during an intended safety test for Reactor ...
The Jewish community was later murdered during the Holocaust. Chernobyl was chosen as the site of Ukraine's first nuclear power plant in 1972, located 15 kilometres (9 mi) north of the city, which opened in 1977. Chernobyl was evacuated on 5 May 1986, nine days after a catastrophic nuclear disaster at the plant, which was the largest nuclear ...
t. e. The Elephant's Foot is the nickname given to a large mass of corium, composed of materials formed from molten concrete, sand, steel, uranium, and zirconium. The mass formed beneath Reactor 4 of the Chernobyl Nuclear Power Plant, near Pripyat, Ukraine, during the Chernobyl disaster of April 26 1986, and is noted for its extreme radioactivity.