| 1782 Mendoza earthquake | |
| Pre-1900: | yes |
| Local-Time: | 16:00 |
| Depth: | 30sp=usNaNsp=us |
| Countries Affected: | Salta, Argentina |
| Casualties: | None |
The 1782 Mendoza earthquake took place in the province of Mendoza, Argentina, on 22 May 1782, at about 4 PM (UTC-3). It had an estimated magnitude of 7.0 in the Richter scale. Its epicenter was at -33°N -81°W, at a depth of 30 km.
This was the first documented earthquake of many which would affect the provincial capital of Mendoza since its foundation. It was felt with grade VIII (Severe) on the Mercalli intensity scale, and damaged several buildings, but did not produce casualties.