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Greece · South Aegean

M2.1 Earthquake near Thira Regional Unit, South Aegean (Greece)

UTC time: 2026-09-18 02:25:30 UTC Local time: —
Magnitude
M2.1
Depth
10.0 km
Source
NOA

South Aegean · Thira Regional Unit

Country overview

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About this earthquake

On September 18, 2026 at 02:25 UTC, a magnitude M2.1 earthquake occurred near Thira Regional Unit, South Aegean (Greece). The hypocenter lay relatively close to the surface at around 10 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: 68 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

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 (14.4 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: 26 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 41 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 112 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Nisyros
    Distance: 131 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Methana
    Distance: 233 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kula
    Distance: 326 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Santorini International AirportGreece · JTR · LGSR
    37.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-18

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

South Aegean

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 2.0 · 135 Catalogue entries

Of 134 other entries for this area and period, 126 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.

Stats (last 24h)

Global (24h)
545
Country (24h)
Greece
68
Current earthquakes in
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