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Greece · Periphereia Attikes

M3.4 Earthquake near Ydra, Periphereia Attikes (Greece)

UTC time: 2026-05-20 03:11:18 UTC Local time: —

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M3.4 Earthquake near Ydra, Periphereia Attikes (Greece) · 2026-05-20 — Map showing the location of the epicenter
M3.4 Earthquake near Ydra, Periphereia Attikes (Greece) · 2026-05-20 — Map showing the location of the epicenter

About this earthquake

A magnitude M3.4 earthquake was recorded near Ydra, Periphereia Attikes (Greece) on May 20, 2026 at 03:11 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Greece: 94 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

ID
430cbe6a15559b2e4370178de3e56dfda0473690
Magnitude
M3.4
Depth
10.0 km
UTC time
2026-05-20 03:11:18 UTC
Local time
—
Country
Greece
State
Periphereia Attikes
City
Ydra
County
Periphereiake Enoteta Neson
Source
emsc
Coordinates
37.39000, 23.44000
Temperature
20.0°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 (14.5 km)
Regional average: 14.5 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

Felt reports

2felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: May 20, 2026, 6:19 AM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Methana
    Distance: 27 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 117 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 205 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 206 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 342 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 464 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Greece

Context for this earthquake

14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 877 Catalogue entries

Of 876 other entries for this area and period, 390 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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