Moderate earthquake
M5.1 Earthquake — 39 km W of Mosteiros, Portugal
2026-10-20 18:07 UTC · 37.96°, -26.26°
A magnitude 5.1 (moderate) earthquake struck 39 km W of Mosteiros, Portugal on 2026-10-20 18:07 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.
M5.1
Magnitude
10 km
Depth
674 t
TNT equivalent
3
Felt reports
Source: USGS event page. The TNT equivalent is computed from the magnitude with the standard Gutenberg–Richter energy relation; all other figures are USGS's own.
This area's earthquake history
In the year before this quake, USGS recorded 3 earthquakes of magnitude 2.5 or more within 300 km.
Strongest recorded within 300 km since 1900:
- M6.7 — 29 km NE of Ribeira Seca, Portugal · 1980-01-01
- M6.7 — 99 km SE of Senhora do Rosário, Portugal · 1939-05-08
- M6.3 — 74 km SE of Povoação, Portugal · 2007-04-05
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