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M6.4 Depth: 10.0 km

M6.4 Earthquake near Central Mid-Atlantic Ridge

UTC time: 2026-06-17 18:56:59 UTC Local time: —

About this earthquake

A magnitude M6.4 earthquake was recorded near Central Mid-Atlantic Ridge on June 17, 2026 at 18:56 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size are considered strong and can be dangerous in inhabited regions.

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

Details

Magnitude
M6.4
Depth
10.0 km
UTC time
2026-06-17 18:56:59 UTC
Local time
—
Country
—
Source
usp
Coordinates
-0.43228, -20.10213
Temperature
25.8°C

Map

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

Estimated impact

Green No or minimal impact expected.

Tectonic context

Located on the South America Plate.
Near the boundary Africa ↔ South America · about 1 km away

Volcanoes nearby

  • Romanche Fracture Zone
    Distance: 56 km ·Fissure vent ·Elevation: -1'528 m ·Undersea Features

Subsequent earthquakes nearby

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

First 6 hours1
First 24 hours12
First 72 hours12
Strongest subsequent eventM6.4
M6.42026-06-17 18:57:01 UTC21.5 kmCentral Mid-Atlantic Ridge [Sea] M4.92026-06-18 02:44:39 UTC74.9 kmCentral Mid Atlantic Ridge M4.92026-06-18 02:44:40 UTC67.0 kmCentral Mid Atlantic Ridge M5.12026-06-18 02:44:43 UTC100.5 kmCENTRAL MID-ATLANTIC RIDGE M5.12026-06-18 02:44:43 UTC83.2 kmCentral Mid-Atlantic Ridge M5.42026-06-18 03:43:35 UTC19.2 kmCENTRAL MID-ATLANTIC RIDGE M5.12026-06-18 03:43:36 UTC15.8 kmEvent of magnitude 5.1, near Conakry (Monde) M5.52026-06-18 03:43:36 UTC23.0 kmCentral Mid-Atlantic Ridge M5.32026-06-18 03:43:36 UTC14.6 kmCentral Mid Atlantic Ridge M5.32026-06-18 03:43:37 UTC20.2 kmCentral Mid Atlantic Ridge M5.32026-06-18 03:43:37 UTC18.5 kmCentral Mid Atlantic Ridge M5.52026-06-18 03:43:38 UTC23.7 kmCentral Mid-Atlantic Ridge [Sea]

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#4
Earlier events M≥46
Earlier events M≥54
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 UTC12.2 kmcentral Mid-Atlantic Ridge M6.72026-06-17 18:56:57 UTC11.9 kmCentral Mid-Atlantic Ridge M6.62026-06-17 18:56:58 UTC14.1 km###.# km ( ###.# mi) E (az= 87.9) from Fortuna Foothills, AZ M5.22026-05-15 14:27:34 UTC172.8 kmCENTRAL MID-ATLANTIC RIDGE M4.92025-02-04 17:18:22 UTC55.3 kmcentral Mid-Atlantic Ridge

Stats (last 24h)

Global (24h)
646
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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