Significant earthquakes of 1964

April 13, 1964 Earthquake: Croatia, Balkans NW

April 13, 1964 · M6 · 3 deaths

A magnitude 6 earthquake struck Croatia, Balkans NW on April 13, 1964 at 08:30:00 UTC, 32 km below the surface. It killed 3 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
April 13, 1964
Time
08:30:00 UTC
Place
Croatia, Balkans NW
Magnitude
6
Focal depth
32 km (20 mi)
Intensity
8 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
45.300° N, 18.100° E
Country
Croatia

The toll

Deaths
3
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.

More

Significant earthquakes of 1964The 1900sEvery quake the USGS located in 1964Recent 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 4316.