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Greece · South Aegean

M2.5 Earthquake near Thira Regional Unit, South Aegean (Greece)

UTC time: 2026-07-17 20:39:29 UTC Local time: —
Magnitude
M2.5
Depth
66.1 km
Source
NOA

South Aegean · Thira Regional Unit

Country overview

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About this earthquake

A magnitude M2.5 earthquake was recorded near Thira Regional Unit, South Aegean (Greece) on July 17, 2026 at 20:39 UTC. With a focal depth of about 66 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 NOA. Greece: over the past 24 hours, QuakeMap24 logged 67 earthquakes, the strongest at M3.7.

Depth profile

Depth profile Depth: 66.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 66.1 km
Shallow
66.1 km
66.1 km — deeper than the regional average (14.6 km)
Regional average: 14.6 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: 16 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 29 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 89 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Nisyros
    Distance: 154 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Methana
    Distance: 214 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kula
    Distance: 345 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
    29.8 kmStraight-line distance
  • Naxos Island National AirportGreece · JNX · LGNX
    46.6 kmStraight-line distance
  • Paros National AirportGreece · PAS · LGPA
    48.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-07

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

08 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 113 Catalogue entries

Of 112 other entries for this area and period, 55 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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