Andreev Bay nuclear accident
The Andreev Bay nuclear accident (Russian: Радиационная авария в губе Андреева) (also known as Andreyeva or Andreeva Bay) took place at Soviet naval base 569 in February 1982. Andreev Bay was a radioactive waste repository 55 km (34 mi) northwest of Murmansk and 60 km (37 mi) from the Norwegian border, on the western shore of the Zapadnaya Litsa (Kola Peninsula).
Source: Wikipedia — Andreev Bay nuclear accident (CC BY-SA 4.0)