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Greece

M4.3 Earthquake near Ionian Sea (Greece)

UTC time: 2025-10-01 02:49:36 UTC Local time: —
Magnitude
M4.3
Depth
10.0 km
Source
GFZ

Apokentromene Dioikese Peloponnesou, Dytikes Elladas kai Ioniou

Country overview

Map

M4.3 Earthquake near Ionian Sea (Greece) · 2025-10-01 — Map showing the location of the epicenter
M4.3 Earthquake near Ionian Sea (Greece) · 2025-10-01 — Map showing the location of the epicenter

About this earthquake

On October 1, 2025 at 02:49 UTC, a magnitude M4.3 earthquake occurred near Ionian Sea (Greece). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by GFZ and cross-checked across seismological networks. Greece: over the past 24 hours, QuakeMap24 logged 121 earthquakes, the strongest at M3.7.

Details

ID
ad66a8b4bb06c741547328437922ff76e15668be
Magnitude
M4.3
Depth
10.0 km
UTC time
2025-10-01 02:49:36 UTC
Local time
—
Country
Greece
City
Apokentromene Dioikese Peloponnesou, Dytikes Elladas kai Ioniou
Source
gfz
Coordinates
37.70000, 20.72000
Temperature
22.4°C

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 (14.4 km)
Regional average: 14.4 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: 230 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 348 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 439 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 442 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Stromboli Activity reported
    Distance: 496 km ·Stratovolcano ·Elevation: 924 m ·Last eruption: 2026 ·Italy

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Zakynthos International Airport Dionysios SolomosGreece · ZTH · LGZA
    15.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Greece

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 867 Catalogue entries

Of 866 other entries for this area and period, 94 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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)
610
Country (24h)
Greece
121
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