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M1.0 Depth: 17.0 km

M1.0 Earthquake near Demos Zacharos (Greece)

UTC time: 2025-12-20 08:38:15 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Demos Zacharos (Greece) on December 20, 2025 at 08:38 UTC. With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by NOA. Greece: 79 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

Magnitude
M1.0
Depth
17.0 km
UTC time
2025-12-20 08:38:15 UTC
Local time
—
Country
Greece
City
Demos Zacharos
Source
noa
Coordinates
37.42401, 21.70807
Temperature
12.1°C

Map

Depth profile

Depth profile Depth: 17 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17 km
Shallow
17 km
17 km — close to the regional average (15.1 km)
Regional average: 15.1 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: 145 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 255 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 347 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 350 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 492 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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