Saint Helena

1032 earthquakes in Saint Helena — magnitude, tsunami alerts and latest activity

1032Total Events

7.1Max Magnitude

9Tsunami Alerts

2026-10-13Latest

All Earthquakes 1032 M band n M band n M band n Tsunami Alerts 9

267 km SSE of Georgetown, Saint Helena

Mag 5.2 2026-01-20 05:55 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-12-16 13:45 UTC

southern Mid-Atlantic Ridge

Mag 5.1 2025-12-16 13:44 UTC

southern Mid-Atlantic Ridge

Mag 5.1 2025-12-04 12:35 UTC

101 km E of Georgetown, Saint Helena

Mag 5.1 2025-11-29 04:20 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2025-11-28 22:46 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-11-28 13:29 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2025-11-20 14:59 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-11-07 23:21 UTC

southern Mid-Atlantic Ridge

Mag 5.5 2025-10-29 06:16 UTC

southern Mid-Atlantic Ridge

Mag 5.2 2025-09-25 17:59 UTC

southern Mid-Atlantic Ridge

Mag 5.1 2025-09-25 17:02 UTC

Tristan da Cunha region

Mag 5.6 2025-09-12 17:46 UTC

southern Mid-Atlantic Ridge

Mag 5.2 2025-08-31 03:50 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-08-30 09:35 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-08-06 23:26 UTC

north of Ascension Island

Mag 5.1 2025-07-22 06:38 UTC

southern Mid-Atlantic Ridge

Mag 6.2 2025-06-25 22:16 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-06-17 08:12 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2025-06-14 09:59 UTC

171 km ENE of Georgetown, Saint Helena

Mag 5.0 2025-05-19 14:01 UTC

north of Ascension Island

Mag 5.2 2025-04-21 07:53 UTC

southern Mid-Atlantic Ridge

Mag 5.6 2025-04-16 12:41 UTC

South Atlantic Ocean

Mag 5.1 2025-04-15 11:22 UTC