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  1. Chernobyl disaster - Wikipedia

    On 26 April 1986, reactor no. 4 of the Chernobyl Nuclear Power Plant, located near Pripyat, a city in the Ukrainian SSR, Soviet Union (later Ukraine), exploded, [1] causing what has become known as the …

  2. Chernobyl disaster - Encyclopedia Britannica

    Dec 25, 2025 · Chernobyl disaster, accident at the Chernobyl nuclear power station in the Soviet Union in 1986, the worst disaster in nuclear power generation history. Between 2 and 50 people were killed …

  3. Chernobyl Accident 1986 - World Nuclear Association

    Feb 17, 2025 · The Chernobyl accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel. Two Chernobyl plant workers died on the night of the …

  4. Chernobyl: Disaster, Response & Fallout | HISTORY

    Apr 24, 2018 · Chernobyl is a nuclear power plant in Ukraine that was the site of a disastrous nuclear accident on April 26, 1986.

  5. Chernobyl Disaster: The Full Story Of The Nuclear Meltdown

    On April 26, 1986, a failure during a reactor systems test led to the meltdown of Chernobyl Nuclear Power Plant in the Pripyat, Ukraine. It would become the worst nuclear disaster in history.

  6. Backgrounder on Chernobyl Nuclear Power Plant Accident

    On April 26, 1986, a sudden surge of power during a reactor systems test destroyed Unit 4 of the nuclear power station at Chernobyl, Ukraine, in the former Soviet Union. The accident and the fire …

  7. Frequently Asked Chernobyl Questions - International Atomic Energy …

    On April 26, 1986, the Number Four RBMK reactor at the nuclear power plant at Chernobyl, Ukraine, went out of control during a test at low-power, leading to an explosion and fire that demolished the …

  8. Chernobyl disaster facts and information | National Geographic

    On April 25 and 26, 1986, the worst nuclear accident in history unfolded in what is now northern Ukraine as a reactor at a nuclear power plant exploded and burned. Shrouded in secrecy, the...

  9. The real story of Chernobyl, the worst nuclear disaster in history

    On 26th April 1986, a routine safety test went catastrophically wrong and triggered the worst nuclear accident of all time. The incident at the Chernobyl Nuclear Power Plant near Pripyat, Ukraine led to …

  10. Chernobyl Accident and Its Consequences | NEI - Nuclear Energy …

    May 1, 2019 · The 1986 accident at the Chernobyl nuclear power plant in Ukraine, then part of the former Soviet Union, is the only accident in the history of commercial nuclear power to cause …