M4.4 Earthquake 14 km WSW of Gargaliánoi, Greece — December 3, 2021
2021-12-03 19:33:33 UTC (2021-12-03) · approx. 8:33 PM UTC+1 local
On December 3, 2021 at 19:33 UTC, a magnitude 4.4 shallow crustal earthquake struck 14 km WSW of Gargaliánoi, Greece, at a depth of 30.3 km and coordinates 37.0376°, 21.4792°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
21.4792°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Gargaliánoi, Greece?
The magnitude 4.4 earthquake that struck 14 km WSW of Gargaliánoi, Greece on December 3, 2021 at 19:33 UTC had a depth of 30.3 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000g8u9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 3, 2021). M4.4 Earthquake 14 km WSW of Gargaliánoi, Greece — December 3, 2021. Retrieved February 12, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000g8u9/