M5.0 Earthquake near Ionian Sea

UTC time: 2025-12-15 23:41:48 UTC Local time: —

Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude

M5.0

Depth: 10.0 km
Source: GFZ

Ionian Sea

Map

About this earthquake

A magnitude M5.0 earthquake was recorded near Ionian Sea on December 15, 2025 at 23:41 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

0333885104a8c7b08163fbfe2c50acab89260770

Magnitude

M5.0

Depth

10.0 km

UTC time

2025-12-15 23:41:48 UTC

Local time

—

Country

—

Source

gfz

Coordinates

37.51000, 20.26000

Temperature

16.0°C

Depth profile

Shallow

10 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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation

Amaliáda101.2 kmE16'763

Pátrai153.2 kmNE168'034

Athens309.4 kmE664'046

GeoNames · CC BY 4.0

Volcanoes nearby

Methana

Distance: 271 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
Milos

Distance: 381 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
Stromboli Activity reported

Distance: 464 km ·Stratovolcano ·Elevation: 924 m ·Last eruption: 2026 ·Italy
Etna Activity reported

Distance: 464 km ·Stratovolcano(es) ·Elevation: 3'357 m ·Last eruption: 2026 ·Italy
Panarea

Distance: 472 km ·Stratovolcano ·Elevation: 399 m ·Italy
Santorini

Distance: 473 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

Zakynthos International Airport Dionysios SolomosGreece · ZTH · LGZA
61.2 kmStraight-line distance
Kefallinia AirportGreece · EFL · LGKF
71.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours32

First 24 hours59

First 72 hours171

Strongest subsequent eventM5.8

M5.22025-12-15 23:41:49 UTC17.4 kmEvent of magnitude 5.2, near of Patra (Monde) M5.82025-12-15 23:41:49 UTC2.9 kmMar Ionio Meridionale (MARE) M2.92025-12-15 23:51:07 UTC8.1 kmIonian Sea M3.72025-12-15 23:51:09 UTC3.5 kmIONIAN SEA M2.02025-12-16 00:13:09 UTC35.9 kmIonian Sea M2.12025-12-16 00:18:20 UTC17.2 kmIonian Sea M2.22025-12-16 00:24:36 UTC27.7 kmIonian Sea M2.22025-12-16 00:35:27 UTC38.4 kmIonian Sea M3.42025-12-16 00:50:04 UTC24.9 kmIONIAN SEA M3.32025-12-16 00:50:04 UTC24.9 kmIonian Sea M1.32025-12-16 00:58:46 UTC116.1 kmSouthern Greece M2.22025-12-16 00:58:52 UTC14.9 kmIonian Sea

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2

Earlier events M≥436

Earlier events M≥51

Compared since2025-01-06

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.22025-12-15 23:41:42 UTC39.1 kmIonian Sea M4.92025-03-09 00:13:06 UTC135.9 km15 km ENE of Zacháro, Greece M4.92025-01-06 09:47:57 UTC122.9 km9 km NNW of Kyparissía, Greece M4.92025-02-18 16:54:43 UTC99.9 kmElis Regional Unit M4.82025-06-21 13:25:54 UTC55.0 kmIONIAN SEA

Stats (last 24h)

Global (24h)

511

Country (24h)

—

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