M2.3
Depth:
5.0 km
M2.3 Earthquake near Event of magnitude 2.3, near of Saint-Brieuc (France hexagonale) (France)
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: 34 earthquakes were recorded in the past 24 hours, the strongest reaching M2.2.
Map
Depth profile
Shallow
5 km
5 km — close to the regional average (5.7 km)
Regional average: 5.7 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
Historic earthquake map · France
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Country statistics · France
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Stats (last 24h)
Global (24h)
645
Country (24h)
France
34
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