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Greece

M1.8 Earthquake near Aegean Sea (Greece)

UTC time: 2025-12-21 06:41:01 UTC Local time: —
Magnitude
M1.8
Depth
12.0 km
Source
NOA

Periphereia Kentrikes Makedonias

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About this earthquake

On December 21, 2025 at 06:41 UTC, a magnitude M1.8 earthquake occurred near Aegean Sea (Greece). The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by NOA. Greece: over the past 24 hours, QuakeMap24 logged 53 earthquakes, the strongest at M3.8.

Details

ID
d280b1d222c49c9ebcf4b4b3f57678aeb99d77f7
Magnitude
M1.8
Depth
12.0 km
UTC time
2025-12-21 06:41:01 UTC
Local time
—
Country
Greece
City
Periphereia Kentrikes Makedonias
Source
noa
Coordinates
39.95316, 23.74558
Temperature
11.8°C

Depth profile

Depth profile Depth: 12 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12 km
Shallow
12 km
12 km — close to the regional average (14.4 km)
Regional average: 14.4 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: 262 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 367 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 410 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 420 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kula
    Distance: 438 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Nisyros
    Distance: 478 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Greece

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 2.0 · 4,977 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Greece

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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.

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