The building of blast furnaces Magnitogorsk and the Kubas Basin by Komsomol, the Communist Union of youth, as part of Stalin’s first five-year plan.
1980 • 6.3 ★
2001 • 6.8 ★
1988 • 6.2 ★
2013 • 6.0 ★
2013 • 6.6 ★
