M4.1 earthquake 9 km SSW of Askós, Greece

A magnitude 4.1 earthquake struck 9 km SSW of Askós, Greece on Sat, May 13, 1978, 11:35 AM GMT+3 (08:35 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.7 9 km SW of Sochós, Greece. This one was a foreshock.

Map

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

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

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: 72 in the 60 days after this one and 4 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event usp0000uhe. Read Wed, Sep 23, 2026, 5:52 PM UTC.