M3.1 Depth: 13.1 km

M3.1 Earthquake near Ionian Sea (Greece)

UTC time: 2025-10-21 17:54:39 UTC Local time: —

M3.1 earthquake near Apokentromene Dioikese Peloponnesou, Dytikes Elladas kai Ioniou on Oct 21, 2025 — map of epicenter and shaking intensity | QuakeMap24 — M3.1 Earthquake near Ionian Sea (Greece) · 2025-10-21 17:54:39 UTC

About this earthquake

A magnitude M3.1 earthquake was recorded near Ionian Sea (Greece) on October 21, 2025 at 17:54 UTC. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by NOA. Greece: 42 earthquakes were recorded in the past 24 hours, the strongest reaching M2.8.

Details

Magnitude

M3.1

Depth

13.1 km

UTC time

2025-10-21 17:54:39 UTC

Local time

—

Country

Greece

City

Apokentromene Dioikese Peloponnesou, Dytikes Elladas kai Ioniou

Source

noa

Coordinates

37.95273, 20.99716

Temperature

21.5°C

Map

Depth profile

Shallow

13.1 km

13.1 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: 209 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
Milos

Distance: 335 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
Santorini

Distance: 426 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
Kolumbo

Distance: 428 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece

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)

672

Country (24h)