January 2 - A strong earthquake affected the Province of El Loa. The movement originated at 07:44 hrs. and had a magnitude of 6.8º Richter. The epicenter was recorded in the Salar de Ascotán sector.
February
February 3 - The XV International Song Festival of Viña del Mar is held. Hosted by César Antonio Santis and Gabriela Velasco.
March
March 11 - The Governing Board issues its "Declaration of Principles".
August 18 - The 1974 Oran Earthquake can be felt in the cities of Calama and Antofagasta, stopping the operation of the Chuquicamata mine.
September
October
October 3 - An earthquake shakes the Tarapacá Region (Arica and Parinacota Region), with an intensity of 4.5 Richter Scale. This is due to the earthquake that occurred in Lima, Perú.
October 16 - The Colegio de Profesores de Chile is created, replacing the Single Union of Education Workers, which functioned between 1970 and 1973.
October 26 - Decree Law No. 527, which established the Statute of the Governing Board, separating the exercise of constituent and legislative powers from the executive branch, is published in the Official Gazette. The first two were established in the Governing Board and the executive would be exercised by the President of the Governing Board, who would be the Supreme Chief of the Nation.
