  | |
| Local date | August 2, 1733 |
|---|---|
| Magnitude | Ms 7.75 |
| Epicenter | 26°12′N 103°06′E / 26.2°N 103.1°E |
| Areas affected | Yunnan, China |
| Max. intensity | MMI X (Extreme) |
| Casualties | Dozens |
The 1733 Dongchuan earthquake affected Yunnan in China on August 2. The earthquake, which had an estimated surface-wave magnitude of 7.75, damaged homes across the province.