M3.1 Depth: 3.0 km

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

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

M3.1 earthquake near Altares on Dec 15, 2025 — map of epicenter and shaking intensity | QuakeMap24 — M3.1 Earthquake near AZORES ISLANDS, PORTUGAL (Portugal) · 2025-12-15 13:25:06 UTC

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

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

Map

Depth profile

Shallow

3 km

3 km — close to the regional average (5.6 km)

Regional average: 5.6 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

Historic earthquake map · Portugal

Open history map

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Country statistics · Portugal

Country overview

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

Stats (last 24h)

Global (24h)

592

Country (24h)