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Greece

M3.1 Earthquake near Aegean Sea (Greece)

UTC time: 2025-09-20 05:30:10 UTC Local time: —

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M3.1 Earthquake near Aegean Sea (Greece) · 2025-09-20 — Map showing the location of the epicenter
M3.1 Earthquake near Aegean Sea (Greece) · 2025-09-20 — Map showing the location of the epicenter

About this earthquake

On September 20, 2025 at 05:30 UTC, a magnitude M3.1 earthquake occurred near Aegean Sea (Greece). The hypocenter lay relatively close to the surface at around 17 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by NOA. Greece: 96 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
76ebbc66fffb2c824a7c03b35b0e6d76844d624b
Magnitude
M3.1
Depth
16.6 km
UTC time
2025-09-20 05:30:10 UTC
Local time
—
Country
Greece
City
Apokentromene Dioikese Aigaiou
Source
noa
Coordinates
38.22006, 25.25894
Temperature
21.1°C

Depth profile

Depth profile Depth: 16.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.6 km
Shallow
16.6 km
16.6 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: 182 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 184 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 190 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 202 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 247 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 287 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Greece

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 866 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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