M4.7 Earthquake 22 km W of Kéfalos, Greece — May 10, 2026
2026-05-10 20:29:54 UTC (51 min ago) · approx. 10:29 PM UTC+2 local
On May 10, 2026 at 20:29 UTC, a magnitude 4.7 intermediate depth earthquake struck 22 km W of Kéfalos, Greece, at a depth of 158.5 km and coordinates 36.7079°, 26.7078°. This earthquake was detected by 47 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
The epicenter is located in Greece, a region characterized by the Hellenic subduction zone, where the African Plate subducts northward beneath the Aegean at roughly 35 mm per year. The nearest mapped fault system is the Hellenic Trench. View all earthquakes in Greece.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
26.7078°E
Technical Information
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Common Questions
How strong was the magnitude 4.7 earthquake near Kéfalos, Greece?
The magnitude 4.7 earthquake that struck 22 km W of Kéfalos, Greece on May 10, 2026 at 20:29 UTC had a depth of 158.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 36.7079°, 26.7078°, which is 22 km W of Kéfalos, Greece. View all earthquakes in Greece.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Has Greece had earthquakes this big before?
The largest recorded earthquake in Greece was the M8.5 Crete earthquake of June 29, 1303. Today's magnitude 4.7 event is significantly smaller than that historical record.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us6000swsg). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, May 10, 2026). M4.7 Earthquake 22 km W of Kéfalos, Greece — May 10, 2026. Retrieved May 10, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000swsg/