There was a big earthquake in Guangzhou, although Guangzhou has always been a region with few earthquakes. According to historical records, in the seventh year of Qing Daoguang (1827), a major earthquake occurred in Guangzhou, the epicenter of which was located in Haizhu District of Guangzhou today. The earthquake was called "the disguise of hell, also known as the Han and Tang Dynasties", which caused considerable damage.