Chernobyl Exclusion Zone Chernobyl Exclusion Zone The Chernobyl Nuclear Power Plant Zone of Alienation (, ) is an officially designated exclusion zone around the site of the Chernobyl nuclear reactor disaster. It is also commonly known as the Chernobyl Exclusion Zone, the 30 Kilometre Zone, or simply The Zone (, ). Established by the Soviet Armed Forces soon after the 1986 disaster, it initially existed as an area of radius from the Chernobyl Nuclear Power Plant designated for evacuation and placed under military control. Its borders have since been altered to cover a larger area of Ukraine. The Chernobyl Exclusion Zone borders a
Chernobyl Nuclear Power Plant of the Object Shelter or the New Safe Confinement. No variances in radiation levels as a result of the incident were detected. The roof which collapsed was built after the Chernobyl disaster. It was later repaired. On June 17, 2017, a cyberattack affected the radiation monitoring system and took down the power plant's official website which hosts information about the incident and the area. After the explosion at Reactor N. 4, the remaining three reactors at the power plant continued to operate. The schedule for plant decommissioning is intimately wrapped with the dismantling of Reactor N. 4 and the decontamination