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Greece · Central Greece

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

UTC time: 2026-10-17 21:59:50 UTC Local time: —
Magnitude
M1.0
Depth
5.0 km
Source
NOA

Central Greece · Municipal Unit of Opountioi

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About this earthquake

On October 17, 2026 at 21:59 UTC, a magnitude M1.0 earthquake occurred near Municipal Unit of Opountioi, Central Greece (Greece). The hypocenter lay relatively close to the surface at around 5 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: over the past 24 hours, QuakeMap24 logged 72 earthquakes, the strongest at M4.7.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower than the regional average (14.3 km)
Regional average: 14.3 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: 107 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 232 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 299 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 305 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 406 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 454 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Central Greece

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 420 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

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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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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