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 …

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 …

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 …

The RBMK evolved from Soviet uranium-graphite reactors whose purpose was the produc-tion of plutonium. The first of these plutonium production reactors began operation in 1948. Six years later, …

The accidental destruction of Chernobyl’s Unit 4 reactor generated extensive spread of radioactive material and a large amount of radioactive waste in the Unit, at the plant site and in the surrounding …

Jun 3, 2013 · IAEA experts examine the partially collapsed roof at Chernobyl Nuclear Power Plants Unit 4 Turbine Hall on 4 June 2013 from both the outside (below) and interior (above) of the building.

International Atomic Energy Agency

The decommissioning of IF NPP remains a major challenge as three of the first-generation reactor cores suffered meltdown. In 2015, the Coordinated Research Project on the management of severely …

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 …

People and Environment chernobyl, 1986 — Widespread health and 7 environmental effects. External release of a significant fraction of reactor core inventory. Kyshtym, russia, 1957 — Significant release …