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M4.8 Earthquake near Azores Islands, Portugal

UTC time: 2025-09-23 06:25:28 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.8
Depth
10.0 km
Source
USP

Azores Islands, Portugal

Map

About this earthquake

On September 23, 2025 at 06:25 UTC, a magnitude M4.8 earthquake occurred near Azores Islands, Portugal. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
07edc1cc87048b07a87efda5fe7a85473d36f7dd
Magnitude
M4.8
Depth
10.0 km
UTC time
2025-09-23 06:25:28 UTC
Local time
—
Country
—
Source
usp
Coordinates
37.86726, -30.89895

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
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

  • Flores
    Distance: 179 km ·Stratovolcano(es) ·Elevation: 914 m ·Last eruption: -950 ·Portugal
  • Fayal
    Distance: 207 km ·Stratovolcano ·Elevation: 1'041 m ·Last eruption: 1958 ·Portugal
  • Pico
    Distance: 229 km ·Stratovolcano ·Elevation: 2'351 m ·Last eruption: 1720 ·Portugal
  • Sao Jorge
    Distance: 261 km ·Fissure vent ·Elevation: 1'053 m ·Last eruption: 1902 ·Portugal
  • Graciosa
    Distance: 285 km ·Stratovolcano ·Elevation: 402 m ·Last eruption: -1950 ·Portugal
  • Terceira
    Distance: 327 km ·Stratovolcano(es) ·Elevation: 1'023 m ·Last eruption: 2000 ·Portugal

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
592
Country (24h)
—
—
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