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Portugal

M2.3 Earthquake near AZORES ISLANDS REGION (Portugal)

UTC time: 2025-12-21 16:31:56 UTC Local time: —

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About this earthquake

On December 21, 2025 at 16:31 UTC, a magnitude M2.3 earthquake occurred near AZORES ISLANDS REGION (Portugal). The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
c40c53bdf793d2d47f3184597a81d1f7ca83d0ac
Magnitude
M2.3
Depth
5.0 km
UTC time
2025-12-21 16:31:56 UTC
Local time
—
Country
Portugal
Source
emsc
Coordinates
37.47300, -24.66400
Temperature
15.9°C

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — close to 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

  • Furnas
    Distance: 67 km ·Stratovolcano ·Elevation: 805 m ·Last eruption: 1630 ·Portugal
  • Agua de Pau
    Distance: 78 km ·Stratovolcano ·Elevation: 947 m ·Last eruption: 1564 ·Portugal
  • Picos Fissural Volcanic System
    Distance: 95 km ·Fissure vent ·Elevation: 350 m ·Last eruption: 1652 ·Portugal
  • Sete Cidades
    Distance: 108 km ·Stratovolcano ·Elevation: 842 m ·Last eruption: 1880 ·Portugal
  • Monaco Bank
    Distance: 108 km ·Fissure vent ·Elevation: -197 m ·Last eruption: 1911 ·Portugal
  • Don Joao de Castro Bank
    Distance: 192 km ·Shield ·Elevation: -13 m ·Last eruption: 1720 ·Portugal

Portugal

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 222 Catalogue entries

Of 221 other entries for this area and period, 69 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Portugal

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Country statistics · Portugal

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

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