The Kola Superdeep Borehole (Russian) bụ nsonaazụ nke ọrụ nyocha sayensị nke Soviet Union na Pechengsky District, na Kola Peninsula. Ọrụ ahụ gbalịrị igwu ala dị ka o kwere mee n'ime ụwa. Drilling malitere na 24 May 1970 site na iji Uralmash-4E, na mgbe e mesịrị Uralmash-15000 usoro drilling rig. A na-egwu olulu site na alaka site na oghere dị n'etiti. Nke kachasị omimi, SG-3, ruru 12,262 mita (40,230 ft; 7.619 mi) (Mkpa nyocha. Dabere na akara edere na oghere, omimi bụ 12,226 m, 1989 n'ime omimi) ma bụrụ ebe kachasị omimi na ụwa, dị ka nke May 2019.
24 Mee 1970