The 1693 earthquake struck on January 11 in the region of Sicily, Italy. It was one of the most powerful earthquakes in the area, registering an estimated magnitude of 7.4. The quake caused widespread destruction, particularly in the cities of Catania and Messina, leading to significant loss of life and property. In the aftermath, the earthquake prompted changes in building codes and urban planning in Sicily. Reconstruction efforts were extensive, with many towns rebuilt in a more earthquake-resistant manner. The event remains a significant part of the region's history, highlighting the vulnerability of areas prone to seismic activity.