Abstract: Some new data were obtained during investigation of Shacheng earthquake on 12 July,1720. On the basis of composite analysis of the new and existing data, the contour of seismic intensity Ⅸ and the magnitude are reestimated, the area with intensity Ⅷ is outlined, and epicenter is relocated.

Key words: Sbacheng earthquake, Magnitude, Seismic intensity contour

摘要： 对康熙五十九年六月初八日沙城地震考察获得的新成果,以及在新、老资料统一分析和认识的基础上,修定了九度区等烈度线,新划分出八度区,重新核实了该地震的震级和震中位置。

关键词: 沙城地震, 震级, 等烈度线