M1.8 Depth: 8.0 km

M1.8 Earthquake near Aegean Sea (Greece)

UTC time: 2025-12-21 23:56:20 UTC Local time:

About this earthquake

On December 21, 2025 at 23:56 UTC, a magnitude M1.8 earthquake occurred near Aegean Sea (Greece). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by NOA and cross-checked across seismological networks. Greece: 81 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

Magnitude
M1.8
Depth
8.0 km
UTC time
2025-12-21 23:56:20 UTC
Local time
Country
City
Periphereia Thessalias
Source
noa
Coordinates
39.11774, 24.18182
Temperature
13.9°C

Map

Depth profile

Depth profile Depth: 8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8 km
Shallow
8 km
8 km — shallower than the regional average (15.1 km)
Regional average: 15.1 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Methana
    Distance: 182 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 270 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 310 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 320 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kula
    Distance: 380 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Nisyros
    Distance: 384 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Historic earthquake map · Greece

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

Country statistics · Greece

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

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