M5.1 Earthquake 23 km NW of Agios Kirykos, Greece — November 30, 2021
2021-11-30 04:00:40 UTC (2021-11-30) · approx. 6:00 AM UTC+2 local
Felt by 17 people across nearby locations.
On November 30, 2021 at 04:00 UTC, a magnitude 5.1 shallow crustal earthquake struck 23 km NW of Agios Kirykos, Greece, at a depth of 10.0 km and coordinates 37.7371°, 26.0792°.
Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 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
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 17 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
26.0792°E
Technical Information
Common Questions
How strong was the magnitude 5.1 earthquake near Agios Kirykos, Greece?
The magnitude 5.1 earthquake that struck 23 km NW of Agios Kirykos, Greece on November 30, 2021 at 04:00 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 37.7371°, 26.0792°, which is 23 km NW of Agios Kirykos, Greece. View all earthquakes in Greece.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks 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 5.1 event is significantly smaller than that historical record.
Authoritative source: USGS event page (event ID: us6000g7ta). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 30, 2021). M5.1 Earthquake 23 km NW of Agios Kirykos, Greece — November 30, 2021. Retrieved December 22, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000g7ta/