1786 Kangding-Luding earthquake
| Local date | 1 June 1786 |
|---|---|
| Local time | Midday |
| Magnitude | 7.75 Mw |
| Depth | 20 km (12 mi) |
| Epicenter | 29°54′N 102°00′E / 29.9°N 102.0°E |
| Areas affected | Sichuan, Qing dynasty China |
| Max. intensity | MMI X (Extreme) |
| Landslides | Many |
| Casualties | 435 from the earthquake and about 100,000 from the failure of the landslide dam |
An earthquake occurred on 1 June 1786 in and around Kangding, in what is now China's Sichuan province. It had an estimated magnitude of about 7.75 and a maximum perceived intensity of X (Extreme) on the Mercalli intensity scale. The initial quake killed 435 people. After an aftershock nine days later, a further 100,000 died when a landslide dam collapsed across the Dadu River.