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Greece · South Aegean

M1.7 Earthquake near Thira Regional Unit, South Aegean (Greece)

UTC time: 2026-07-20 18:51:41 UTC Local time: —
Magnitude
M1.7
Depth
10.0 km
Source
NOA

South Aegean · Thira Regional Unit

Country overview

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About this earthquake

A magnitude M1.7 earthquake was recorded near Thira Regional Unit, South Aegean (Greece) on July 20, 2026 at 18:51 UTC. 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: over the past 24 hours, QuakeMap24 logged 57 earthquakes, the strongest at 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 (14.6 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: 21 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 34 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: 214 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Kula
    Distance: 341 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
    34.4 kmStraight-line distance
  • Naxos Island National AirportGreece · JNX · LGNX
    42.2 kmStraight-line distance
  • Paros National AirportGreece · PAS · LGPA
    46.2 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

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 113 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.

Stats (last 24h)

Global (24h)
512
Country (24h)
Greece
57
Current earthquakes in
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