Earthquakes in Greece

Seismic activity in Greece is moderate by global standards, with 5 events recorded in the past 30 days, and 32 of the events on record reached magnitude 5 or above — the level at which damage becomes a genuine concern for vulnerable construction. Activity here is almost entirely crustal, which means shaking at the surface is strong relative to the magnitudes involved.

357 earthquakes have been recorded in Greece in our catalogue, 5 of them in the past 30 days.

The average magnitude is 4.5 and the average focal depth 19 km. 355 events reached magnitude 4 or above and 32 reached magnitude 5 or above.

The strongest earthquake recorded in Greece in this period was a magnitude 6.2 event near Eloúnda, Greece on 22 May 2025, at a depth of 64 km. A magnitude 6.2 earthquake radiates roughly 30,089 tons of TNT equivalent in seismic energy.

Locations recording the most events include Firá (82), Amorgós (43), Oía (23), Mesariá (21), Ierápetra (13).

97% of events here are shallow (under 70 km), 3% intermediate (70–300 km) and 0% deep-focus (over 300 km). Almost everything here is crustal. That is characteristic of transform faulting or continental deformation rather than subduction — and it means shaking at the surface is strong for the magnitudes involved.

The deepest event on record here was a magnitude 4.7 earthquake at 159 km beneath Kéfalos, Greece on 10 May 2026.

By band, the catalogue holds 2 in the magnitude 3 range, 323 in the magnitude 4 range, 30 in the magnitude 5 range, 2 in the magnitude 6 range.

The busiest single day was 06 February 2025, with 21 recorded events.

No event in this record carries a USGS link to NOAA tsunami information.