September 12, 1345 Earthquake: Firenze (Florence), Italy
An earthquake struck Firenze (Florence), Italy on September 12, 1345.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- September 12, 1345
- Place
- Firenze (Florence), Italy
- Tsunami
- None recorded
- Epicenter
- 43.800° N, 11.300° E
- Country
- Italy
The toll
- Deaths
- Many (about 101 to 1,000)
- Damage
- Severe (about $5 to $25 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 14, 1703, Central Apennino, Norcia, L'Aquila, Perugia, Italy
- December 1, 1328, Norcia, Italy
- December 25, 1352, Sansepolcro, Italy
- April 14, 1672, Rimini, Italy
- September 7, 1920, Carrara,garfagnana, Italy
- September 30, 1789, Citta Di Castello,sansepolcro, Italy
- August 24, 2016, Accumoli, Arquata, Amatrice, Italy
- August 3, 1414, Sansepolcro, Italy
- May 12, 1730, Norcia, Italy
- November 17, 1570, Ferrara,bologna,padova,venizia,treviso, Italy
- October 19, 1768, Santa Sofia, Italy
- June 13, 1542, Scarperia, Italy
- August 22, 1859, Italy
- February 14, 1834, Borgo Val Di Taro, Italy
- August 14, 1846, Orciano, Luciana, Italy
More
Significant earthquakes of 1345The 1300sRecent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 532.