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Greece · Northern Aegean

M1.7 Earthquake near Lesbos Regional Unit, Northern Aegean (Greece)

UTC time: 2026-10-20 06:22:50 UTC Local time: —
Magnitude
M1.7
Depth
16.6 km
Source
EMSC

Northern Aegean · Lesbos Regional Unit

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About this earthquake

On October 20, 2026 at 06:22 UTC, a magnitude M1.7 earthquake occurred near Lesbos Regional Unit, Northern Aegean (Greece). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. Greece: over the past 24 hours, QuakeMap24 logged 106 earthquakes, the strongest at M3.9.

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 (14.3 km)
Regional average: 14.3 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

  • Kula
    Distance: 227 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Methana
    Distance: 308 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kolumbo
    Distance: 319 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 321 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Milos
    Distance: 328 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 333 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece

Northern Aegean

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 81 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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