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M1.0 Depth: 24.5 km

M1.0 Earthquake near Municipal Unit of Kallieis, Central Greece (Greece)

UTC time: 2026-08-21 03:35:30 UTC Local time: —

About this earthquake

On August 21, 2026 at 03:35 UTC, a magnitude M1.0 earthquake occurred near Municipal Unit of Kallieis, Central Greece (Greece). The hypocenter lay relatively close to the surface at around 24 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by NOA and cross-checked across seismological networks. Greece: 72 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Map

Depth profile

Depth profile Depth: 24.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 24.5 km
Shallow
24.5 km
24.5 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

  • Methana
    Distance: 160 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 302 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 381 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 384 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 499 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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