Back to map
Portugal

M3.1 Earthquake near AZORES ISLANDS, PORTUGAL (Portugal)

UTC time: 2025-12-15 13:25:06 UTC Local time: —

Map

M3.1 Earthquake near AZORES ISLANDS, PORTUGAL (Portugal) · 2025-12-15 — Map showing the location of the epicenter
M3.1 Earthquake near AZORES ISLANDS, PORTUGAL (Portugal) · 2025-12-15 — Map showing the location of the epicenter

About this earthquake

On December 15, 2025 at 13:25 UTC, a magnitude M3.1 earthquake occurred near AZORES ISLANDS, PORTUGAL (Portugal). The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
0a44f0375124d1a2918de99f7d932298f76f66c8
Magnitude
M3.1
Depth
3.0 km
UTC time
2025-12-15 13:25:06 UTC
Local time
—
Country
Portugal
City
Altares
Source
emsc
Coordinates
38.77400, -27.29500
Temperature
16.6°C

Depth profile

Depth profile Depth: 3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3 km
Shallow
3 km
3 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

  • Terceira
    Distance: 5 km ·Stratovolcano(es) ·Elevation: 1'023 m ·Last eruption: 2000 ·Portugal
  • Graciosa
    Distance: 65 km ·Stratovolcano ·Elevation: 402 m ·Last eruption: -1950 ·Portugal
  • Sao Jorge
    Distance: 69 km ·Fissure vent ·Elevation: 1'053 m ·Last eruption: 1902 ·Portugal
  • Don Joao de Castro Bank
    Distance: 84 km ·Shield ·Elevation: -13 m ·Last eruption: 1720 ·Portugal
  • Pico
    Distance: 102 km ·Stratovolcano ·Elevation: 2'351 m ·Last eruption: 1720 ·Portugal
  • Fayal
    Distance: 125 km ·Stratovolcano ·Elevation: 1'041 m ·Last eruption: 1958 ·Portugal

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Lajes AirportPortugal · TER · LPLA
    17.8 kmStraight-line distance

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, 20 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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.

Share