Significant earthquakes of 1973

August 18, 1973 Earthquake: Sicily, Italy

August 18, 1973 · M3.5 · $500,000

A magnitude 3.5 earthquake struck Sicily, Italy on August 18, 1973 at 22:38:29 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
August 18, 1973
Time
22:38:29 UTC
Place
Sicily, Italy
Magnitude
3.5
Intensity
6 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
37.660° N, 15.167° E
Country
Italy

The toll

Damage
$500,000

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.

The NGDC Seismicity Catalog CD collection, Italian catalog, 1000-1976 A.D., PFG is a historical catalog from Italy, provided through the USGS, lists an earthquake on August 18, 1973, 22:38:29 UTC, 37.667 N, 15.167E, intensity VI.

(reference #4109)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1973The 1900sEvery quake the USGS located in 1973Recent 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 4641.