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Greece · Attica

M2.1 Earthquake near Regional Unit of Islands, Attica (Greece)

UTC time: 2026-10-20 17:44:52 UTC Local time: —
Magnitude
M2.1
Depth
137.5 km
Source
NOA

Attica · Regional Unit of Islands

Country overview

Map

About this earthquake

On October 20, 2026 at 17:44 UTC, a magnitude M2.1 earthquake occurred near Regional Unit of Islands, Attica (Greece). At around 138 km, the focal depth places this among intermediate-depth events. 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: 105 earthquakes were recorded in the past 24 hours, the strongest reaching M2.7.

Depth profile

Depth profile Depth: 137.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 137.5 km
Intermediate
137.5 km
137.5 km — deeper than the regional average (14.3 km)
Regional average: 14.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Methana
    Distance: 54 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 105 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 179 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 182 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 305 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 416 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
    41.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Attica

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 31 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.

Stats (last 24h)

Global (24h)
580
Country (24h)
Greece
105
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