Significant earthquakes of 1509

September 14, 1509 Earthquake: Bled,slatna,begunje, Slovenia, Balkans NW

September 14, 1509

An earthquake struck Bled,slatna,begunje, Slovenia, Balkans NW on September 14, 1509 at 00:15 UTC.

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 14, 1509
Time
00:15 UTC
Place
Bled,slatna,begunje, Slovenia, Balkans NW
Intensity
8 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
46.400° N, 14.100° E
Country
Slovenia

The toll

Damage
Severe (about $5 to $25 million)
Houses destroyed
Many (101 to 1,000)

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.

1509, September 14, 00h15m. Intensity VIII. The castle of Bled destroyed. Also castles Slatna and Begunje in Idrija - Cerkno region. Time of the evening event in Friuli is given. Most of the western part of Slovenia ruined or severely damaged. Included Ljubljana. Strong movements along Idrija fault. Numerous aftershocks. About 26 towns and castles have been ruined. (reference #1194)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1509The 1500sRecent 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 671.