Abstract: There are great diversities of space and time recordation on the $5\frac{3}{4}$ earthquake occurred in August 1574 in Fujian Province on different catalogues and editions. This paper rechecks, analyzes and finds out the likely factors of existed difference through the historical data of different editions according to the time gradation. Combining the modern earthquake activities and the up to date earthquake safety assessment and analysis results, following the attitude of respecting historic data and scientific preciseness, the authors try to give the rechecking result of the 3 key seismic factors objectively. The result is that this earthquake occurred on August 19, 1574 between Fuzhou and Lianjiang with North latitude 26.1° and East Longitude 119.3°, and the more reasonable magnitude is $5\frac{3}{4}$.

Key words: Seismic catalogue, Historical earthquake, Check