Magnitude
M2.3
- Depth
- 5.0 km
- Source
- RESIF
Bretagne
Country overviewFrance
M2.3 Earthquake near Event of magnitude 2.3, near of Saint-Brieuc (France hexagonale) (France)
Map
About this earthquake
On September 17, 2025 at 10:11 UTC, a magnitude M2.3 earthquake occurred near Event of magnitude 2.3, near of Saint-Brieuc (France hexagonale) (France). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.
The data is provided by RESIF and cross-checked across seismological networks. France: 17 earthquakes were recorded in the past 24 hours, the strongest reaching M2.2.
Details
Depth profile
Shallow
5 km
5 km — close to the regional average (6.1 km)
Regional average: 6.1 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
Bretagne
Context for this earthquake
09 Sep 2025 – 09 Sep 2026 · M ≥ 2.0 · 85 Catalogue entries
Of 84 other entries for this area and period, 42 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
Open seismic profileHistoric earthquake map · France
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Country statistics · France
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
638
Country (24h)
France
17
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