M5.1 Depth: 10.0 km

M5.1 Earthquake near NORTH OF ASCENSION ISLAND

UTC time: 2025-07-21 22:57:15 UTC Local time: —

About this earthquake

On July 21, 2025 at 22:57 UTC, a magnitude M5.1 earthquake occurred near NORTH OF ASCENSION ISLAND. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by EMSC.

Details

Magnitude

M5.1

Depth

10.0 km

UTC time

2025-07-21 22:57:15 UTC

Local time

—

Country

—

Source

emsc

Coordinates

-4.60000, -12.34000

Temperature

23.6°C

Map

Depth profile

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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation

Harper1123.0 kmNE35'503

GeoNames · CC BY 4.0

Volcanoes nearby

Ascension

Distance: 434 km ·Stratovolcano ·Elevation: 822 m ·Last eruption: 1508 ·United Kingdom

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours1

First 24 hours5

First 72 hours5

Strongest subsequent eventM5.3

M4.92025-07-21 22:57:16 UTC20.5 kmNorth of Ascension Island M5.12025-07-22 06:38:16 UTC12.3 kmnorth of Ascension Island M4.82025-07-22 06:38:16 UTC14.9 kmNorth of Ascension Island M5.32025-07-22 06:38:17 UTC5.0 kmNorth of Ascension Island M5.12025-07-22 06:38:17 UTC3.5 kmNORTH OF ASCENSION ISLAND

Stats (last 24h)

Global (24h)

640

Country (24h)

—

Current earthquakes in

Magnitude Place Local time

No recent events available.