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  1. Frequently Asked Chernobyl Questions - International Atomic Energy …

    1. What caused the Chernobyl accident? 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 …

  2. The 1986 Chornobyl nuclear power plant accident

    Jun 13, 2013 · On 26 April 1986, the Number Four reactor at the Chornobyl Nuclear Power Plant in what then was the Soviet Union during improper testing at low-power, resulted in loss of control that led to …

  3. Summary The accident at the Chernobyl nuclear power plant in 1986 was the most severe in the history of the nuclear power industry, causing a huge release of radionuclides over large areas of Belarus, …

  4. El accidente de la central nuclear de Chornóbil de 1986

    Apr 27, 2021 · El 26 de abril de 1986, durante un ensayo inapropiado a baja potencia, en el reactor número cuatro de la central nuclear de Chornóbil, en la entonces Unión Soviética, se dio una …

  5. The Enduring Lessons of Chernobyl | IAEA

    Nov 26, 2019 · The April 1986 accident at the Chernobyl nuclear power plant remains a defining moment in the history of nuclear energy. The lessons of this tragedy are interwoven with a recurrent …

  6. Chernobyl: The True Scale of the Accident - International Atomic …

    Sep 5, 2005 · A total of up to four thousand people could eventually die of radiation exposure from the Chernobyl nuclear power plant (NPP) accident nearly 20 years ago, an international team of more …

  7. Environmental Consequences of the Chernobyl Accident and their ...

    Sep 8, 2025 · The explosion on 26 April 1986 at the Chernobyl nuclear power plant and the consequent reactor fire resulted in an unprecedented release of radioactive material from a nuclear reactor and …

  8. 30 Years after Chernobyl: IAEA Continues to Support Global Efforts to ...

    Apr 26, 2016 · Thirty years ago today, an unprecedented aerial release of radionuclides spread over parts of Belarus, Russia and Ukraine following the nuclear power plant accident at Chernobyl. It was …

  9. Lessons from the Chernobyl Disaster - Safety for the Future

    Mar 3, 2011 · To commemorate the 25th anniversary of the Chernobyl nuclear disaster, the IAEA, which has monitored radioactivity in the region and worked to reduce exposure to it since the accident, will …

  10. The Chernobyl Accident: Updating of INSAG-1 | IAEA

    The purpose of this report is to update findings of the International Nuclear Safety Advisory Group’s Summary Report on the Post-Accident Review Meeting on the Chernobyl Accident (INSAG-1), …