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Greece · Ioanian Islands

M4.8 Earthquake near Kefallonia Regional Unit, Ioanian Islands (Greece)

UTC time: 2026-09-12 17:51:46 UTC Local time: —
Earthquake newsQuakeMap24
First published: Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.8
Depth
34.0 km
Source
USGS

Ioanian Islands · Kefallonia Regional Unit

Country overview

Map

M4.8 Earthquake near Kefallonia Regional Unit, Ioanian Islands (Greece) · 2026-09-12 — Map showing the location of the epicenter
M4.8 Earthquake near Kefallonia Regional Unit, Ioanian Islands (Greece) · 2026-09-12 — Map showing the location of the epicenter

About this earthquake

A magnitude M4.8 earthquake was recorded near Kefallonia Regional Unit, Ioanian Islands (Greece) on September 12, 2026 at 17:51 UTC. With a focal depth of about 34 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 USGS and cross-checked across seismological networks. Greece: over the past 24 hours, QuakeMap24 logged 101 earthquakes, the strongest at M3.4.

Depth profile

Depth profile Depth: 34 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34 km
Shallow
34 km
34 km — deeper than the regional average (14.5 km)
Regional average: 14.5 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

171felt 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: Sep 13, 2026, 6:12 AM UTC · Last checked: Sep 14, 2026, 9:22 AM UTC

Source: EMSC / LastQuake

Estimated impact

21 Felt reports · max reported intensity 3.8

Tectonic context

Located on the Eurasia Plate.
Near the boundary Aegean Sea ↔ Eurasia · about 3 km away

Volcanoes nearby

  • Methana
    Distance: 276 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 403 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Stromboli Activity reported
    Distance: 445 km ·Stratovolcano ·Elevation: 924 m ·Last eruption: 2026 ·Italy
  • Panarea
    Distance: 456 km ·Stratovolcano ·Elevation: 399 m ·Italy
  • Etna Activity reported
    Distance: 463 km ·Stratovolcano(es) ·Elevation: 3'357 m ·Last eruption: 2026 ·Italy
  • Vulcano
    Distance: 463 km ·Stratovolcano(es) ·Elevation: 500 m ·Last eruption: 1890 ·Italy

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kefallinia AirportGreece · EFL · LGKF
    21.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-14

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

14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 877 Catalogue entries

Of 876 other entries for this area and period, 32 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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

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

Stats (last 24h)

Global (24h)
589
Country (24h)
Greece
101
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