1531 Lisbon earthquake
| Local date | 26 January 1531 |
|---|---|
| Local time | 04:00 to 05:00 |
| Magnitude | 6.4–7.1 Mw (est.) |
| Epicenter | 39°N 8°W / 39°N 8°W |
| Areas affected | Kingdom of Portugal |
| Max. intensity | MMI X (Extreme) |
| Casualties | 30,000 deaths |
The 1531 Lisbon earthquake occurred in the Kingdom of Portugal on the morning of 26 January 1531, between 4 and 5 o'clock. The earthquake and subsequent tsunami resulted in approximately 30,000 deaths. Despite its severity, the disaster was not widely documented until the rediscovery of contemporary records in the early 20th century.