M6.8 earthquake in Central Mid-Atlantic Ridge on October 13, 2026
A magnitude 6.8 earthquake struck on October 13, 2026 at 12:23 UTC. According to USGS the epicenter was 1,204 km southwest of Freetown, at a depth of 10 km. It was a shallow quake, and shallow quakes are usually felt most strongly at the surface.
Key facts
The USGS PAGER system issued a green alert, expecting little impact. USGS flagged the event as an oceanic-region earthquake. Regional tsunami warning centers publish any tsunami information.
Nearest cities
- Freetown (Sierra Leone)1,204 km
- Monrovia (Liberia)1,214 km
- Bo (Sierra Leone)1,263 km
- Conakry (Guinea)1,276 km
- Kenema (Sierra Leone)1,297 km
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Aftershocks
Since then USGS has recorded 1 quakes of magnitude 4.5 or more within 150 km, the strongest M4.7.
- M4.7 · Oct 14, 14:17 UTC26 km
Regional history
Since 1976 there have been 24 earthquakes of magnitude 6 or more within 300 km. The strongest was M7.1 (August 29, 2016).
- M7.1 · August 29, 2016183 km
- M6.9 · September 4, 2022261 km
- M6.8 · May 18, 1995290 km
- M6.8 · December 26, 199221 km
- M6.8 · January 12, 2005203 km
See also
Source: USGS Earthquake Hazards Program (public domain). Seismologists may still revise the data. Data from Oct 13, 15:39 UTC.