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M6.6 Earthquake near central Mid-Atlantic Ridge

UTC time: 2025-03-28 17:17:27 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
M6.6
Depth
12.3 km
Source
USGS

central Mid-Atlantic Ridge

Map

M6.6 Earthquake near central Mid-Atlantic Ridge · 2025-03-28 — Map showing the location of the epicenter
M6.6 Earthquake near central Mid-Atlantic Ridge · 2025-03-28 — Map showing the location of the epicenter

About this earthquake

On March 28, 2025 at 17:17 UTC, a magnitude M6.6 earthquake occurred near central Mid-Atlantic Ridge. The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

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

Details

ID
1173773d6967161510d680be76908f9be4e3fe0d
Magnitude
M6.6
Depth
12.3 km
UTC time
2025-03-28 17:17:27 UTC
Local time
—
Country
—
Source
usgs
Coordinates
0.75610, -29.76350

Depth profile

Depth profile Depth: 12.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.3 km
Shallow
12.3 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
Touros915.9 kmSW33'035
Natal946.7 kmSW896'708

GeoNames · CC BY 4.0

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours3
Strongest subsequent eventM5.3
M4.62025-03-31 05:09:27 UTC168.3 kmcentral Mid-Atlantic Ridge M5.22025-03-31 13:36:16 UTC12.6 kmcentral Mid-Atlantic Ridge M4.62025-03-31 13:36:17 UTC1.3 kmCentral Mid Atlantic Ridge M5.22025-04-02 13:24:44 UTC17.0 kmcentral Mid-Atlantic Ridge M4.92025-04-02 13:24:46 UTC1.0 kmCentral Mid-Atlantic Ridge M4.52025-04-03 13:51:13 UTC15.4 kmcentral Mid-Atlantic Ridge M5.32025-04-08 03:55:06 UTC16.0 kmcentral Mid-Atlantic Ridge M4.82025-04-08 03:55:07 UTC12.7 kmCentral Mid-Atlantic Ridge M4.42025-04-12 23:21:26 UTC14.6 kmCentral Mid-Atlantic Ridge M4.72025-04-12 23:21:26 UTC14.8 kmcentral Mid-Atlantic Ridge M4.82025-04-19 03:14:44 UTC235.7 kmcentral Mid-Atlantic Ridge

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

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥44
Earlier events M≥52
Compared since2025-01-06

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.62025-03-28 00:34:22 UTC12.3 kmcentral Mid-Atlantic Ridge M6.12025-03-28 00:34:21 UTC9.5 kmcentral Mid-Atlantic Ridge M4.42025-01-06 12:35:41 UTC170.5 kmcentral Mid-Atlantic Ridge M4.32025-03-28 03:27:56 UTC2.8 kmCentral Mid Atlantic Ridge

Stats (last 24h)

Global (24h)
599
Country (24h)
—
—
Current earthquakes in
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