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Greece

M4.5 Earthquake near 3e Demotike Koinoteta Athenon (Greece)

UTC time: 2025-09-21 21:05:01 UTC Local time: —

Map

M4.5 Earthquake near 3e Demotike Koinoteta Athenon (Greece) · 2025-09-21 — Map showing the location of the epicenter
M4.5 Earthquake near 3e Demotike Koinoteta Athenon (Greece) · 2025-09-21 — Map showing the location of the epicenter

About this earthquake

On September 21, 2025 at 21:05 UTC, a magnitude M4.5 earthquake occurred near 3e Demotike Koinoteta Athenon (Greece). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by NOA and cross-checked across seismological networks. Greece: 102 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
a885f8bcdaede7765758fc2b2d0b899969d9db5d
Magnitude
M4.5
Depth
10.0 km
UTC time
2025-09-21 21:05:01 UTC
Local time
—
Country
Greece
City
3e Demotike Koinoteta Athenon
Source
noa
Coordinates
37.51329, 23.69966
Temperature
24.2°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than 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: 34 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 112 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 193 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 195 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 323 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 438 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Greece

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 867 Catalogue entries

Of 866 other entries for this area and period, 72 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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