December 21, 1845 Earthquake: Ljubljana, Slovenia, Balkans NW
A magnitude 4.9 earthquake struck Ljubljana, Slovenia, Balkans NW on December 21, 1845 at 20:40:00 UTC, 7 km below the surface.
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
- December 21, 1845
- Time
- 20:40:00 UTC
- Place
- Ljubljana, Slovenia, Balkans NW
- Magnitude
- 4.9
- Focal depth
- 7 km (4 mi)
- Intensity
- VII, very strong shaking, on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 46.100° N, 14.500° E
- Country
- Slovenia
- Region
- Southern Europe
The toll
- Damage
- Moderate (about $1 to $5 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.
Sources NCEI cites
The publications NCEI lists for this record. The numbers match the “reference #” notes in its account above.
- #1194 Ribaric, Vladimir (1982). Seismicity of Slovenia, Catalog of Earthquakes (792 A.D.-1981), Seismological Survey of the SR of Slovenia, Ljubljana, 649 p. plus maps. [On shelf; various p. in pdf.]
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 25, 1348, Celovac, Veneto, Slovenia, Villach, Italy, Austria
- August 8, 1511, Cividale del Fruili, Italy
- May 6, 1976, NW, Slovenia, NE, Balkans NW, Italy
- June 29, 1873, Bellunese, Italy
- 778, Treviso, Italy
- December 4, 1690, Carinthie, Austria
- March 26, 1511, Idrija,skofja Loka, Slovenia, Balkans NW
- September 15, 1976, Northeastern, Italy
- December 29, 2020, Petrinja, Croatia, Balkans NW
- April 14, 1895, Ljubljana, Slovenia, Balkans NW
- September 11, 1976, Northeastern, Italy
- April 12, 1998, Bovec, Kobarid, Arnoldstein, Slovenia, Austria
- July 12, 2004, Bovec, Kobarid, Slovenia
- March 22, 2020, Zagreb, Croatia, Balkans NW
- May 9, 1861, Citta Della Pieve, Italy
More
Significant earthquakes of 1845The 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 2026-10-01. NCEI earthquake 1872.