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M5.1 Earthquake near Achada (Portugal)

UTC time: 2026-10-20 18:07:24 UTC Local time: —

Map

M5.1 Earthquake near Achada (Portugal) · 2026-10-20 — Map showing the location of the epicenter
M5.1 Earthquake near Achada (Portugal) · 2026-10-20 — Map showing the location of the epicenter

About this earthquake

On October 20, 2026 at 18:07 UTC, a magnitude M5.1 earthquake occurred near Achada (Portugal). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

ID
c01987d429c0e2089360bbf40ee6ca9e80966386
Magnitude
M5.1
Depth
10.0 km
UTC time
2026-10-20 18:07:24 UTC
Local time
—
Country
Portugal
City
Achada
Village
Achada
Source
gfz
Coordinates
37.83000, -25.27000
Temperature
20.7°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — deeper than the regional average (6.3 km)
Regional average: 6.3 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

Estimated impact

14 Felt reports · max reported intensity 4.6

Tectonic context

Located on the Eurasia Plate.
Near the boundary Eurasia ↔ Africa · about 7 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Ponta Delgada36.5 kmW20'056
Funchal950.1 kmSE105'795

GeoNames · CC BY 4.0

Volcanoes nearby

  • Furnas
    Distance: 8 km ·Stratovolcano ·Elevation: 805 m ·Last eruption: 1630 ·Portugal
  • Agua de Pau
    Distance: 19 km ·Stratovolcano ·Elevation: 947 m ·Last eruption: 1564 ·Portugal
  • Picos Fissural Volcanic System
    Distance: 36 km ·Fissure vent ·Elevation: 350 m ·Last eruption: 1652 ·Portugal
  • Sete Cidades
    Distance: 45 km ·Stratovolcano ·Elevation: 842 m ·Last eruption: 1880 ·Portugal
  • Monaco Bank
    Distance: 59 km ·Fissure vent ·Elevation: -197 m ·Last eruption: 1911 ·Portugal
  • Don Joao de Castro Bank
    Distance: 127 km ·Shield ·Elevation: -13 m ·Last eruption: 1720 ·Portugal

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • João Paulo II AirportPortugal · PDL · LPPD
    38.9 kmStraight-line distance
  • Santa Maria AirportPortugal · SMA · LPAZ
    95.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours6
First 24 hours9
First 72 hours20
Strongest subsequent eventM4.4
M2.62026-10-20 18:26:01 UTC87.8 kmAZORES ISLANDS, PORTUGAL M3.42026-10-20 18:30:58 UTC85.8 kmAZORES ISLANDS, PORTUGAL M2.52026-10-20 18:45:20 UTC87.4 kmAZORES ISLANDS, PORTUGAL M2.52026-10-20 18:49:53 UTC88.3 kmAZORES ISLANDS, PORTUGAL M2.52026-10-20 18:59:20 UTC89.9 kmAZORES ISLANDS, PORTUGAL M2.52026-10-20 19:19:04 UTC75.9 kmAZORES ISLANDS, PORTUGAL M3.22026-10-21 00:12:43 UTC90.9 kmAZORES ISLANDS, PORTUGAL M2.12026-10-21 03:20:36 UTC74.4 kmAZORES ISLANDS, PORTUGAL M3.02026-10-21 12:07:15 UTC62.0 kmPortugal M2.32026-10-22 07:40:07 UTC86.2 kmAZORES ISLANDS, PORTUGAL M4.42026-10-22 16:14:13 UTC89.0 kmAZORES ISLANDS, PORTUGAL M2.42026-10-22 16:29:06 UTC88.3 kmAZORES ISLANDS, PORTUGAL

Portugal

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 29 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 profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#4
Earlier events M≥49
Earlier events M≥54
Compared since2025-03-11

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.22026-10-20 18:07:17 UTC81.8 kmAZORES ISLANDS, PORTUGAL M5.22025-08-02 16:41:26 UTC144.0 kmAzores Islands Region M5.12026-10-20 18:07:17 UTC97.1 kmEvent of magnitude 5.1, near Lisbon (Monde) M5.12025-03-11 08:14:36 UTC39.3 km30 km SSE of Povoação, Portugal M4.62025-05-31 00:18:12 UTC97.1 kmAZORES ISLANDS REGION

Historic earthquake map · Portugal

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Portugal

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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