The Institute of the Earth’s Crust, originally named the Institute of Geology, East-Siberian Branch of the USSR Academy of Sciences, emerged in Irkutsk in February 1949 according to USSR Council of Ministers Decree No. 1138-r, dated February 1, 1949 and USSR Academy of Sciences Presidium Decree, dated February 24, 1949 as a response to the foundation of the Branch. It was renamed into the East-Siberian Geological Institute in 1957; since 1962, it had been known as the Institute of the Earth’s Crust SB AS USSR and obtained its current name in 1992.