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M1.8 Depth: 15.4 km

M1.8 Earthquake near Aegean Sea (Greece)

UTC time: 2025-08-21 22:58:40 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Aegean Sea (Greece) on August 21, 2025 at 22:58 UTC. With a focal depth of about 15 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: 93 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude
M1.8
Depth
15.4 km
UTC time
2025-08-21 22:58:40 UTC
Local time
—
Country
Greece
Source
noa
Coordinates
39.31229, 23.82248
Temperature
26.6°C

Map

Depth profile

Depth profile Depth: 15.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.4 km
Shallow
15.4 km
15.4 km — close to the regional average (15 km)
Regional average: 15 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

  • Methana
    Distance: 193 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 296 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 343 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 352 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kula
    Distance: 414 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Nisyros
    Distance: 421 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

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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