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Greece · South Aegean

M1.5 Earthquake near Thira Regional Unit, South Aegean (Greece)

UTC time: 2026-10-20 12:57:16 UTC Local time: —
Magnitude
M1.5
Depth
5.0 km
Source
NOA

South Aegean · Thira Regional Unit

Country overview

Map

About this earthquake

On October 20, 2026 at 12:57 UTC, a magnitude M1.5 earthquake occurred near Thira Regional Unit, South Aegean (Greece). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by NOA and cross-checked across seismological networks. Greece: over the past 24 hours, QuakeMap24 logged 106 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower than 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

  • Kolumbo
    Distance: 24 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 38 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 91 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Nisyros
    Distance: 152 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Methana
    Distance: 212 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kula
    Distance: 338 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
    37.9 kmStraight-line distance
  • Naxos Island National AirportGreece · JNX · LGNX
    38.7 kmStraight-line distance
  • Paros National AirportGreece · PAS · LGPA
    43.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 150 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

Open history map
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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