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Greece · Peloponnese Region

M1.1 Earthquake near Koroni Municipal Unit, Peloponnese Region (Greece)

UTC time: 2026-09-18 00:00:15 UTC Local time: —
Magnitude
M1.1
Depth
13.2 km
Source
NOA

Peloponnese Region · Koroni Municipal Unit

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About this earthquake

On September 18, 2026 at 00:00 UTC, a magnitude M1.1 earthquake occurred near Koroni Municipal Unit, Peloponnese Region (Greece). The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by NOA. Greece: 62 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Depth profile

Depth profile Depth: 13.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.2 km
Shallow
13.2 km
13.2 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

  • Methana
    Distance: 159 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 225 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 313 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 320 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 468 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kalamata AirportGreece · KLX · LGKL
    36.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-17

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Peloponnese Region

Context for this earthquake

18 Sep 2025 – 17 Sep 2026 · M ≥ 2.0 · 111 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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Country statistics · Greece

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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