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M5.1 Earthquake near IONIAN SEA

UTC time: 2025-12-15 23:41:48 UTC Local time: —
Earthquake newsQuakeMap24
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
M5.1
Depth
10.0 km
Source
EMSC

IONIAN SEA

Map

M5.1 Earthquake near IONIAN SEA · 2025-12-15 — Map showing the location of the epicenter
M5.1 Earthquake near IONIAN SEA · 2025-12-15 — Map showing the location of the epicenter

About this earthquake

On December 15, 2025 at 23:41 UTC, a magnitude M5.1 earthquake occurred near IONIAN SEA. 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 can damage poorly built structures.

The event was recorded by EMSC.

Details

ID
d8afa17703cb9a6c8a7f742e203427a483f321bc
Magnitude
M5.1
Depth
10.0 km
UTC time
2025-12-15 23:41:48 UTC
Local time
—
Country
—
Source
emsc
Coordinates
37.51960, 20.24100
Temperature
16.3°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
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Felt reports

51felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Dec 16, 2025, 6:17 AM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Nearby population centers

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

PlaceDistanceDirectionPopulation
Amaliáda102.5 kmE16'763
Pátrai154.0 kmNE168'034
Athens310.9 kmE664'046

GeoNames · CC BY 4.0

Volcanoes nearby

  • Methana
    Distance: 273 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 383 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Stromboli Activity reported
    Distance: 462 km ·Stratovolcano ·Elevation: 924 m ·Last eruption: 2026 ·Italy
  • Etna Activity reported
    Distance: 462 km ·Stratovolcano(es) ·Elevation: 3'357 m ·Last eruption: 2026 ·Italy
  • Panarea
    Distance: 470 km ·Stratovolcano ·Elevation: 399 m ·Italy
  • Vulcano
    Distance: 473 km ·Stratovolcano(es) ·Elevation: 500 m ·Last eruption: 1890 ·Italy

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Zakynthos International Airport Dionysios SolomosGreece · ZTH · LGZA
    62.2 kmStraight-line distance
  • Kefallinia AirportGreece · EFL · LGKF
    70.6 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 hours170
Strongest subsequent eventM5.8
M5.22025-12-15 23:41:49 UTC18.1 kmEvent of magnitude 5.2, near of Patra (Monde) M5.82025-12-15 23:41:49 UTC1.1 kmMar Ionio Meridionale (MARE) M2.92025-12-15 23:51:07 UTC6.5 kmIonian Sea M3.72025-12-15 23:51:09 UTC5.3 kmIONIAN SEA M2.02025-12-16 00:13:09 UTC37.8 kmIonian Sea M2.12025-12-16 00:18:20 UTC17.6 kmIonian Sea M2.22025-12-16 00:24:36 UTC27.2 kmIonian Sea M2.22025-12-16 00:35:27 UTC38.2 kmIonian Sea M3.42025-12-16 00:50:04 UTC24.1 kmIONIAN SEA M3.32025-12-16 00:50:04 UTC24.1 kmIonian Sea M1.32025-12-16 00:58:46 UTC117.9 kmSouthern Greece M2.22025-12-16 00:58:52 UTC14.0 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≥437
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 UTC38.2 kmIonian Sea M4.92025-03-09 00:13:06 UTC137.5 km15 km ENE of Zacháro, Greece M4.92025-01-06 09:47:57 UTC124.7 km9 km NNW of Kyparissía, Greece M4.92025-02-18 16:54:43 UTC100.7 kmElis Regional Unit M4.82025-06-21 13:25:54 UTC53.7 kmIONIAN SEA

Stats (last 24h)

Global (24h)
507
Country (24h)
—
—
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