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Greece

M1.1 Earthquake near Demos Erakleiou Attikes (Greece)

UTC time: 2025-09-20 16:50:56 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near Demos Erakleiou Attikes (Greece) on September 20, 2025 at 16:50 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by NOA and cross-checked across seismological networks. Greece: 96 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
32a122cb00fb0fe589af42ad5fa5beb5f6c2b780
Magnitude
M1.1
Depth
8.9 km
UTC time
2025-09-20 16:50:56 UTC
Local time
—
Country
Greece
City
Demos Erakleiou Attikes
Source
noa
Coordinates
38.04886, 23.75931
Temperature
22.7°C

Depth profile

Depth profile Depth: 8.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.9 km
Shallow
8.9 km
8.9 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: 61 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 162 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 228 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 233 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 341 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 419 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Athens Eleftherios Venizelos International AirportGreece · ATH · LGAV
    20.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

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

20 Sep 2025 – 20 Sep 2026 · M ≥ 2.0 · 4,944 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

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.

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