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Greece · Ioanian Islands

M1.8 Earthquake near Zakynthos Regional Unit, Ioanian Islands (Greece)

UTC time: 2026-06-20 18:44:38 UTC Local time: —
Magnitude
M1.8
Depth
19.2 km
Source
NOA

Ioanian Islands · Zakynthos Regional Unit

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About this earthquake

A magnitude M1.8 earthquake was recorded near Zakynthos Regional Unit, Ioanian Islands (Greece) on June 20, 2026 at 18:44 UTC. The hypocenter lay relatively close to the surface at around 19 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by NOA and cross-checked across seismological networks. Greece: 74 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Depth profile

Depth profile Depth: 19.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.2 km
Shallow
19.2 km
19.2 km — deeper 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

Volcanoes nearby

  • Methana
    Distance: 203 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 300 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 391 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 395 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece

Ioanian Islands

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 2.0 · 62 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

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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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