Magnitude
M1.7
- Depth
- 0.9 km
- Source
- RESIF
Brittany · Pluguffan
Country overviewFrance · Brittany
M1.7 Earthquake near Pluguffan, Brittany (France)
Map
About this earthquake
A magnitude M1.7 earthquake was recorded near Pluguffan, Brittany (France) on July 31, 2026 at 09:53 UTC. With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.
The event was recorded by RESIF. France: over the past 24 hours, QuakeMap24 logged 16 earthquakes, the strongest at M3.1.
Details
Depth profile
Shallow
0.9 km
0.9 km — shallower than 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
Radius · 50 km
Nearby infrastructure
Nuclear power plants
- Brennilis nuclear power plant49.0 kmStraight-line distance
FrancePermanently shut downReactor units at site: 1
Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
France
Context for this earthquake
22 Sep 2025 – 22 Sep 2026 · M ≥ 2.0 · 978 Catalogue entries
Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.
Open seismic profileHistoric earthquake map · France
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Country statistics · France
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Stats (last 24h)
Global (24h)
624
Country (24h)
France
16
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