Construction of '' Akagi '' as an aircraft carrier began on 19 November 1923 . '' Amagi '' s hull was damaged beyond economically feasible repair in the Great Kantō earthquake of 1 September 1923 and was broken up and scrapped . '' Akagi '' , the only remaining member of her class , was launched as a carrier on 22 April 1925 and commissioned at Kure Naval Arsenal on 25 March 1927 , although trials continued through November 1927 . She was the second carrier to enter service with the IJN , after '' Hōshō '' and before ( which replaced '' Amagi '' )
Great Kantō earthquake
1923 Great Kantō earthquake
Japanese aircraft carrier Akagi