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M5.5 Earthquake near Central Mid-Atlantic Ridge [Sea]

UTC time: 2026-06-18 03:43:38 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. How our reports are produced ↗

Magnitude
M5.5
Depth
8.6 km
Source
INGV

Central Mid-Atlantic Ridge [Sea]

Map

M5.5 Earthquake near Central Mid-Atlantic Ridge [Sea] · 2026-06-18 — Map showing the location of the epicenter
M5.5 Earthquake near Central Mid-Atlantic Ridge [Sea] · 2026-06-18 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near Central Mid-Atlantic Ridge [Sea] on June 18, 2026 at 03:43 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

ID
3cdfe1d6ba7918be1dd40951b0fb90c03a8e1230
Magnitude
M5.5
Depth
8.6 km
UTC time
2026-06-18 03:43:38 UTC
Local time
—
Country
—
Source
ingv
Coordinates
-0.40078, -19.89140
Temperature
25.2°C

Depth profile

Depth profile Depth: 8.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.6 km
Shallow
8.6 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

Estimated impact

Green No or minimal impact expected.

Tectonic context

Located on the South America Plate.
Near the boundary Africa ↔ South America · about 3 km away

Volcanoes nearby

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 150 km.

Magnitude rank#10
Earlier events M≥421
Earlier events M≥517
Compared since2025-02-04

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

Strongest earlier events

M6.72026-06-17 18:56:57 UTC11.6 kmcentral Mid-Atlantic Ridge M6.72026-06-17 18:56:57 UTC12.1 kmCentral Mid-Atlantic Ridge M6.62026-06-17 18:56:58 UTC19.4 km###.# km ( ###.# mi) E (az= 87.9) from Fortuna Foothills, AZ M6.52026-06-17 18:56:59 UTC16.8 kmCentral Mid-Atlantic Ridge M6.52026-06-17 18:56:59 UTC16.4 kmCentral Mid Atlantic Ridge

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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