M3.4 earthquake 1 km S of Khalkoútsion, Greece

A magnitude 3.4 earthquake struck 1 km S of Khalkoútsion, Greece on Thu, Jun 19, 2003, 4:09 AM GMT+3 (01:09 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 1 km NNE of Psachná, 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: 96 in the 60 days after this one and 45 in the 30 days before it.

The first 60 of 96.

From the USGS Earthquake Hazards Program and its partner networks, event usp000c076. Read Wed, Sep 30, 2026, 12:02 PM UTC.