Significant earthquakes of 1845

December 21, 1845 Earthquake: Ljubljana, Slovenia, Balkans NW

December 21, 1845 · M4.9

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.

  1. #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.

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.