1786 Kangding-Luding earthquake is located in Sichuan

The 1786 Kangding-Luding earthquake occurred on 1 June. It had an estimated magnitude of about 7.75 and a maximum perceived intensity of X (Intense) on the Mercalli intensity scale. 435 people were killed in the earthquake and a further 100,000 died following the collapse of a landslide dam across the Dadu river, triggered by an aftershock ten days later.

• http://en.wikipedia.org/wiki/1786 Kangding-Luding earthquake