# Seismic activity in Greece

> Developing situation record from CLSTR: https://clstr.news/situations/20261102-seismic-activity-in-greece
> Updated: 2026-11-02T10:32:00.000Z. Sources: 6. Developments: 2.

Recent seismic events have been recorded in different regions of Greece. On October 30, 2026, a 4.6 magnitude earthquake struck the Chalkidiki region, with an epicenter located approximately 47 to 49 kilometers southeast of Sykia Sithonia at a depth of 10 to 15.3 kilometers.

On November 2, 2026, a 3.6 magnitude earthquake occurred in the Corinthian Gulf. The Geodynamic Institute of the National Observatory of Athens reported the epicenter was in a marine area 14 kilometers northwest of Xylokastro, with a focal depth of approximately 5 kilometers.

## Timeline

### 2026-11-02: Earthquake of 3.6 magnitude strikes Corinthian Gulf

A 3.6 magnitude earthquake struck the Corinthian Gulf near Xylokastro, Greece, with a focal depth of 5 kilometers.

3 sources. https://clstr.news/cluster/earthquake-of-36-magnitude-strikes-corinthian-gulf

### 2026-10-30: Earthquake of 4.6 magnitude strikes Chalkidiki, Greece

A 4.6 magnitude earthquake struck Chalkidiki, Greece, on October 30, 2026, with an epicenter southeast of Sykia Sithonia.

4 sources. https://clstr.news/cluster/earthquake-of-46-magnitude-strikes-chalkidiki-greece

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Cite as: Seismic activity in Greece. CLSTR, https://clstr.news/situations/20261102-seismic-activity-in-greece