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Greece · Attica

M3.3 Earthquake near Regional Unit of Islands, Attica (Greece)

UTC time: 2026-06-28 15:10:32 UTC Local time: —
Magnitude
M3.3
Depth
16.6 km
Source
EMSC

Attica · Regional Unit of Islands

Country overview

Map

M3.3 Earthquake near Regional Unit of Islands, Attica (Greece) · 2026-06-28 — Map showing the location of the epicenter
M3.3 Earthquake near Regional Unit of Islands, Attica (Greece) · 2026-06-28 — Map showing the location of the epicenter

About this earthquake

On June 28, 2026 at 15:10 UTC, a magnitude M3.3 earthquake occurred near Regional Unit of Islands, Attica (Greece). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Greece: 68 earthquakes were recorded in the past 24 hours, the strongest reaching M2.5.

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 (14.6 km)
Regional average: 14.6 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

  • Milos
    Distance: 136 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Methana
    Distance: 175 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Santorini
    Distance: 206 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 216 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 364 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kithira AirportGreece · KIT · LGKC
    26.9 kmStraight-line distance

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

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

09 Sep 2025 – 09 Sep 2026 · M ≥ 3.0 · 876 Catalogue entries

Of 875 other entries for this area and period, 472 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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