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M4.4 Earthquake near 46 km W of Santa Cruz da Graciosa, Portugal

UTC time: 2025-02-21 04:51:37 UTC Local time: —
Magnitude
M4.4
Depth
10.0 km
Source
USGS

46 km W of Santa Cruz da Graciosa, Portugal

Map

About this earthquake

A magnitude M4.4 earthquake was recorded near 46 km W of Santa Cruz da Graciosa, Portugal on February 21, 2025 at 04:51 UTC. 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 USGS and cross-checked across seismological networks.

Details

ID
5aee73c4371b32b9dfa43c2c438590e21c1d6623
Magnitude
M4.4
Depth
10.0 km
UTC time
2025-02-21 04:51:37 UTC
Local time
—
Country
—
Source
usgs
Coordinates
39.04950, -28.53640

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

  • Graciosa
    Distance: 49 km ·Stratovolcano ·Elevation: 402 m ·Last eruption: -1950 ·Portugal
  • Fayal
    Distance: 55 km ·Stratovolcano ·Elevation: 1'041 m ·Last eruption: 1958 ·Portugal
  • Sao Jorge
    Distance: 59 km ·Fissure vent ·Elevation: 1'053 m ·Last eruption: 1902 ·Portugal
  • Pico
    Distance: 66 km ·Stratovolcano ·Elevation: 2'351 m ·Last eruption: 1720 ·Portugal
  • Terceira
    Distance: 111 km ·Stratovolcano(es) ·Elevation: 1'023 m ·Last eruption: 2000 ·Portugal
  • Don Joao de Castro Bank
    Distance: 189 km ·Shield ·Elevation: -13 m ·Last eruption: 1720 ·Portugal

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Graciosa AirportPortugal · GRW · LPGR
    44.0 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

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)
498
Country (24h)
—
—
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