Significant earthquakes of 1846

August 14, 1846 Earthquake: Orciano, Luciana, Italy

August 14, 1846 · M6.1 · 56 deaths

A magnitude 6.1 earthquake struck Orciano, Luciana, Italy on August 14, 1846 at 12:35 UTC, 5 km below the surface. It killed 56 people.

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
August 14, 1846
Time
12:35 UTC
Place
Orciano, Luciana, Italy
Magnitude
6.1 (Ms)
Focal depth
5 km (3 mi)
Intensity
10 on the Modified Mercalli scale
Epicenter
43.400° N, 10.600° E
Country
Italy

The toll

Deaths
56
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.

What the record says

NCEI’s account, from the sources it cites.

On August 14, 1856, 12h35m a very strong earthquake (43.4 N, 10.6E, magnitude 6.1) in the district of Tuscany, Italy occurred. The zone of the strongest effect extended from the shore of the Ligurian Sea, in the area between the estuaries of the rivers Arno and Cecina, up to the foothills of the Apennines approximately to the line of Lorenzana, Orciano (Pisano), Riparbella, Montescudaio, Bibbona. The villages on hills suffered more than the ones in depressions. Orciano was destroyed completely, Lorenzana, S. Regolo, Casciana, Crespina, Lari, Pieve di Sta Luce, Montescudaio, Guardistallo, Volterra were partially destroyed. 56 people were killed. Rosignano and Gabbro located hereabout but on rocky ground did not suffer; for instance, the effects of the earthquake in Gabbro were restricted to entrance doors swinging. The flow of water springs was changed in Vicarello. (reference #2130)

Reference #1099 lists disastrous earthquake on August 14, 1846, at 16h? (local time), 43.4 N, 10.6 E, intensity IX-X, occurred in Toscana, at Orciano (98% houses ruined), Luciana, Monte Scudaio, Lorenzana, Castelnuovo di Mis. and Riparbella many houses destroyed, the remainig ones were seriously damaged, 56 victims, felt at Siena, Firenze, Milano, Genova.

Reference #1075 lists earthquake on August 14, 1846, 12 UTC, 43.5 N, 10.5 E, intensity X.

Reference #1093 lists earthquake on August 14, 1846, intensity XI, complete destruction in Orciano and partial destruction in 11 other localities in the region southeast of Livourne, 20 deaths.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1846The 1800sRecent 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 1881.