Magnitude
M4.2
- Depth
- 2.0 km
- Source
- EMSC_ES
Alenquer
Country overviewPortugal
M4.2 Earthquake near Alenquer (Portugal)
Map
About this earthquake
A magnitude M4.2 earthquake was recorded near Alenquer (Portugal) on February 19, 2026 at 12:16 UTC. With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.
Details
Depth profile
Shallow
2 km
2 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
Volcanoes nearby
Radius · 50 km
Nearby infrastructure
Airports
- Lisbon Humberto Delgado Airport35.1 kmStraight-line distance
Portugal · LIS · LPPT - Cascais Airport49.6 kmStraight-line distancePortugal · CAT · LPCS
Source: OurAirports · Dataset date: 2026-09-06
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
Portugal
Context for this earthquake
06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 30 Catalogue entries
Of 29 other entries for this area and period, 2 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
Open seismic profileHistoric earthquake map · Portugal
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Country statistics · Portugal
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Stats (last 24h)
Global (24h)
510
Country (24h)
Portugal
1