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Greece

M4.1 Earthquake near 10 km SE of Kéfalos, Greece (Greece)

UTC time: 2025-12-22 21:09:21 UTC Local time: —
Magnitude
M4.1
Depth
143.0 km
Source
USGS

Apokentromene Dioikese Aigaiou

Country overview

Map

M4.1 Earthquake near 10 km SE of Kéfalos, Greece (Greece) · 2025-12-22 — Map showing the location of the epicenter
M4.1 Earthquake near 10 km SE of Kéfalos, Greece (Greece) · 2025-12-22 — Map showing the location of the epicenter

About this earthquake

On December 22, 2025 at 21:09 UTC, a magnitude M4.1 earthquake occurred near 10 km SE of Kéfalos, Greece (Greece). At around 143 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. Greece: 53 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

ID
14fd9474db811d5008e1db2e4c62332bdb929c78
Magnitude
M4.1
Depth
143.0 km
UTC time
2025-12-22 21:09:21 UTC
Local time
—
Country
Greece
City
Apokentromene Dioikese Aigaiou
Source
usgs
Coordinates
36.66980, 27.02580
Temperature
16.1°C

Depth profile

Depth profile Depth: 143 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143 km
Intermediate
143 km
143 km — deeper than the regional average (14.4 km)
Regional average: 14.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Nisyros
    Distance: 15 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kolumbo
    Distance: 139 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 149 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 231 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kula
    Distance: 250 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Methana
    Distance: 344 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kos International Airport "Ippokratis"Greece · KGS · LGKO
    15.0 kmStraight-line distance
  • Kalymnos AirportGreece · JKL · LGKY
    33.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-17

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Greece

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 3.0 · 877 Catalogue entries

Of 876 other entries for this area and period, 128 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Greece

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Greece

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)
536
Country (24h)
Greece
53
Current earthquakes in
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