M5.5 Depth: 8.6 km

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

UTC time: 2026-06-18 03:43:38 UTC Local time: —

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

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

Map

Depth profile

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

Romanche Fracture Zone

Distance: 33 km ·Fissure vent ·Elevation: -1'528 m ·Undersea Features

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#11

Earlier events M≥420

Earlier events M≥516

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)

644

Country (24h)

—

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No recent events available.