1531 Lisbon earthquake
1531 CE.
Shown on the map at 39.000°, -8.000°.
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.
Text from the Wikipedia article 1531 Lisbon earthquake, licensed CC BY-SA 4.0.