Greece earthquakes

M5.7 earthquake 9 km SW of Sochós, Greece

A magnitude 5.7 earthquake struck 9 km SW of Sochós, Greece on Wed, May 24, 1978, 2:34 AM GMT+3 (23:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.4 8 km ESE of Kolchikón, Greece. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 5.7 (mb), moderate
Local time: Wed, May 24, 1978, 2:34 AM GMT+3
UTC: 1978-05-23 23:34:11 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 40.759° N, 23.268° E
Region: Greece
Strongest shaking: VII, very strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VII, very strong shaking
Peak ground acceleration: 27.2% of gravity
Peak ground velocity: 2.8 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED
Stations used: 289

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 74 in the 60 days after this one and 6 in the 30 days before it.

After

The first 60 of 74.

Before

Earthquakes today Greece earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000upr (also filed as gcmtb052378b, gcmt19780523233411, atlas19780523233412, iscgem682672). Read Tue, Sep 22, 2026, 11:27 PM UTC.