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Greece · Northern Aegean

M3.5 Earthquake near Chios Regional Unit, Northern Aegean (Greece)

UTC time: 2026-09-18 19:41:43 UTC Local time: —
Magnitude
M3.5
Depth
13.0 km
Source
EMSC

Northern Aegean · Chios Regional Unit

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M3.5 Earthquake near Chios Regional Unit, Northern Aegean (Greece) · 2026-09-18 — Map showing the location of the epicenter
M3.5 Earthquake near Chios Regional Unit, Northern Aegean (Greece) · 2026-09-18 — Map showing the location of the epicenter

About this earthquake

On September 18, 2026 at 19:41 UTC, a magnitude M3.5 earthquake occurred near Chios Regional Unit, Northern Aegean (Greece). With a focal depth of about 13 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: 76 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Depth profile

Depth profile Depth: 13 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13 km
Shallow
13 km
13 km — close to the regional average (14.4 km)
Regional average: 14.4 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

  • Kolumbo
    Distance: 220 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Methana
    Distance: 220 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 224 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 233 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 253 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 255 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Greece

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 3.0 · 868 Catalogue entries

Of 867 other entries for this area and period, 322 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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