M3.7 earthquake 41 km WSW of Lefkáda, Greece

A magnitude 3.7 earthquake struck 41 km WSW of Lefkáda, Greece on Mon, Mar 5, 1973, 5:40 PM GMT+2 (15:40 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.1 12 km S of Astakós, Greece. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 7 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp00000u7. Read Tue, Sep 22, 2026, 9:33 AM UTC.