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Greece · South Aegean

M4.9 Earthquake near Thira Regional Unit, South Aegean (Greece)

UTC time: 2025-02-18 06:08:10 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.9
Depth
10.0 km
Source
USP

South Aegean · Thira Regional Unit

Country overview

Map

M4.9 Earthquake near Thira Regional Unit, South Aegean (Greece) · 2025-02-18 — Map showing the location of the epicenter
M4.9 Earthquake near Thira Regional Unit, South Aegean (Greece) · 2025-02-18 — Map showing the location of the epicenter

About this earthquake

A magnitude M4.9 earthquake was recorded near Thira Regional Unit, South Aegean (Greece) on February 18, 2025 at 06:08 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USP and cross-checked across seismological networks. Greece: 111 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

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: 9 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 16 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 103 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Nisyros
    Distance: 144 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Methana
    Distance: 235 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kula
    Distance: 352 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
    9.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

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

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 38 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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