MODERATE EARTHQUAKE
39 km W of Mosteiros, Portugal
A magnitude 5.1 earthquake struck 39 km W of Mosteiros, Portugal on 20 Oct 2026, 18:07 UTC. The hypocentre was 10 km below the surface — shallow by seismological convention. No felt reports have been received so far. The figures have been revised 2 times since the first report.
- Depth
- 10 km
- Latitude
- 37.96°N
- Time
- 18:07 UTC
- Magnitude
- M5.1
shallow
26.26°W longitude
20 Oct 2026
mww
EPICENTRE
MAGNITUDE 5.1
Can damage poorly constructed buildings; well-built structures usually escape with little harm.
The scale is logarithmic: this released about 45 times the energy of a magnitude 4.0, roughly the energy of 674 tonnes of TNT.
10 KM DEEP
Shallow earthquakes release their energy close to the surface, so they are felt more strongly, and do more damage, than deeper earthquakes of the same magnitude.
OTHER RECENT EARTHQUAKES
20 Oct 2026, 18:36 UTC · 353.8 km deep
20 Oct 2026, 17:05 UTC · 10 km deep
20 Oct 2026, 16:29 UTC · 109.5 km deep
20 Oct 2026, 16:29 UTC · 74 km deep