Chernobyl disaster other undamaged reactors at the power station, with No. 3 continuing to produce electricity up into 2000. The accident motivated safety upgrades on all remaining Soviet-designed reactors in the RBMK (Chernobyl No. 4) family, of which eleven continued to power electric grids . The disaster began during a systems test on 26 April 1986 at reactor 4 of the Chernobyl plant near Pripyat and in proximity to the administrative border with Belarus and the Dnieper River. There was a sudden and unexpected power surge. When operators attempted an emergency shutdown, a much larger spike in power output occurred. This second
Chernobyl necklace Chernobyl necklace A Chernobyl necklace is the horizontal scar left on the base of the neck after a surgery to remove a thyroid cancer caused by fallout from a nuclear accident. The scar has come to be seen as one of the most graphic demonstrations of the impact of the Chernobyl disaster. The term takes its name from the increased rate of thyroid cancer after the Chernobyl disaster. The scar has also been referred as the Belarus necklace or the Belarusian Necklace, in reference to the large number of thyroid cancer occurrences in the nation caused by the nuclear fallout