Discovery of the surface rupture zone along the southern branch of the Longshoushan Fault Zone, NW China and its significance to the deep structures of the 1954 Shandan MS 7¼ earthquake - ZHAO Di; CHEN Peng; LI Rongxi; WU Xiaoli; ZHAO Bangsheng; LIU Qi; WANG Xiaoxue (Dizhi lixue xuebao, 2022)