《明史·志·卷六》
正德元年二月癸酉日到乙亥日。合阳发生十多次地震，有声音如雷鸣。
正德元年二月癸酉至乙亥，觔阳地震者十余，有声如雷。
On February 24th, the first year of Zhengde, Heyang suffered more than ten earthquakes, which were accompanied by a sound like thunder.