Magnitude
M6.6
- Depth
- 10.0 km
- Source
- USGS
central Mid-Atlantic Ridge
M6.6 Earthquake near central Mid-Atlantic Ridge
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗
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About this earthquake
On June 17, 2026 at 18:56 UTC, a magnitude M6.6 earthquake occurred near central Mid-Atlantic Ridge. 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 USGS and cross-checked across seismological networks.
Details
ID
9759d13c504e034c2b5f1a2a2c5d439038d62418
Magnitude
M6.6
Depth
10.0 km
UTC time
2026-06-17 18:56:58 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-0.52460,
-20.01490
Temperature
25.8°C
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
Felt reports
3felt reports at EMSC / LastQuake
Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.
Data updated: Jun 17, 2026, 7:07 PM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC
Source: EMSC / LastQuake
Estimated impact
Green
No or minimal impact expected.
Tectonic context
Located on the South America Plate.
Near the boundary Africa ↔ South America · about 13 km away
Volcanoes nearby
Subsequent earthquakes nearby
Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.
First 6 hours6
First 24 hours17
First 72 hours17
Strongest subsequent eventM6.5
M6.52026-06-17 18:56:59 UTC5.0 kmCentral Mid-Atlantic Ridge
M5.72026-06-17 18:56:59 UTC10.8 kmEvent of magnitude 5.7, near Conakry (Monde)
M6.42026-06-17 18:56:59 UTC14.1 kmCentral Mid-Atlantic Ridge
M6.52026-06-17 18:56:59 UTC8.5 kmCentral Mid Atlantic Ridge
M6.42026-06-17 18:56:59 UTC7.4 kmCentral Mid Atlantic Ridge
M6.42026-06-17 18:57:01 UTC24.3 kmCentral Mid-Atlantic Ridge [Sea]
M4.92026-06-18 02:44:39 UTC60.9 kmCentral Mid Atlantic Ridge
M4.92026-06-18 02:44:40 UTC53.2 kmCentral Mid Atlantic Ridge
M5.12026-06-18 02:44:43 UTC92.6 kmcentral Mid-Atlantic Ridge
M5.12026-06-18 02:44:43 UTC75.7 kmCentral Mid-Atlantic Ridge
M5.42026-06-18 03:43:35 UTC11.1 kmCENTRAL MID-ATLANTIC RIDGE
M5.52026-06-18 03:43:36 UTC10.6 kmCentral Mid-Atlantic Ridge
Comparison of seismic sources
3 sources currently report magnitudes from M6.6 to M6.6.
Measurements can differ because agencies use different networks and calculation methods. Values may be revised.
SourceMagnitudeDepthPosition difference
EMSCM6.610.0 km0.0 km
SCEDCM6.610.0 km0.0 km
USGSM6.610.0 km0.0 km
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 overviewHistorical context nearby
Comparison with recorded earthquakes before this event within 250 km.
Magnitude rank#3
Earlier events M≥45
Earlier events M≥53
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 UTC13.5 kmcentral Mid-Atlantic Ridge
M6.72026-06-17 18:56:57 UTC14.0 kmCentral Mid-Atlantic Ridge
M5.22026-05-15 14:27:34 UTC170.6 kmCENTRAL MID-ATLANTIC RIDGE
M4.92025-02-04 17:18:22 UTC48.0 kmcentral Mid-Atlantic Ridge
M4.72026-05-15 14:27:31 UTC148.0 kmCentral Mid-Atlantic Ridge
Stats (last 24h)
Global (24h)
510
Country (24h)
—
—
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