《三国志·吴书·张顾诸葛步传》
又嘉禾六年五月十四日，赤乌二年正月初一及二十七日，都发生地震。
又嘉禾六年五月十四日，赤乌二年正月一日及二十七日，地皆震动。
Also, on the fourteenth of May in the sixth year of Jiage, on the first and twenty seventh of January in the second year of Chiwu, there were all earthquakes.