Unofficial History of Nanzhao
By Yangshen of Ming Dynasty
In the year of 886 A.D.(Tang Dynasty), an earthquake happened in Nanzhao.
Unofficial history of Nanzhao- Dameng Kingdom: In the second year of Guangqi(886) in Tang Dynasty, an earthquake happened, and three cities including Dragonhead, Dragon-tail and Sanyang were all destroyed.
The earthquake in 1111A.D.in Song Dynasty.
According to Volume A of Nanzhao Unofficial History: 1111A.D., an earthquake happened in Dali, more than 16 temples were destroyed.