1857 Basilicata earthquake
1857 CE.
Shown on the map at 40.500°, 16.500°.
The 1857 Basilicata earthquake (also known as the Great Neapolitan earthquake) occurred on 16 December in the Basilicata region of Italy southeast of the city of Naples. The epicentre was in Montemurro, on the western border of the modern province of Potenza. Several towns were destroyed, and there were around 11,000 fatalities according to official sources, but unofficial estimates suggest that as many as 19,000 died. At the time it was the third-largest known earthquake and has been estimated to have been of magnitude 7.0 on the moment magnitude scale.
Text from the Wikipedia article 1857 Basilicata earthquake, licensed CC BY-SA 4.0.