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

southern Mid-Atlantic Ridge

Mag 5.2 2026-07-04 14:12 UTC

east of the South Sandwich Islands

Mag 5.2 2026-07-02 05:14 UTC

147 km NE of Georgetown, Saint Helena

Mag 5.5 2026-06-20 06:43 UTC

central Mid-Atlantic Ridge

Mag 5.4 2026-06-18 03:43 UTC

central Mid-Atlantic Ridge

Mag 5.1 2026-06-18 02:44 UTC

central Mid-Atlantic Ridge

Mag 6.6 2026-06-17 18:56 UTC

southern Mid-Atlantic Ridge

Mag 5.4 2026-06-08 19:11 UTC

southern Mid-Atlantic Ridge

Mag 5.9 2026-06-08 14:20 UTC

Bouvet Island region

Mag 5.3 2026-05-18 18:50 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-05-01 00:49 UTC

southern Mid-Atlantic Ridge

Mag 5.2 2026-04-23 10:07 UTC

north of Ascension Island

Mag 5.0 2026-04-16 21:46 UTC

north of Ascension Island

Mag 5.4 2026-04-16 20:36 UTC

Ascension Island region

Mag 5.0 2026-03-17 19:53 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-03-14 06:17 UTC

southern Mid-Atlantic Ridge

Mag 5.1 2026-03-03 18:01 UTC

north of Ascension Island

Mag 5.3 2026-03-01 18:36 UTC

southern Mid-Atlantic Ridge

Mag 5.5 2026-02-16 17:32 UTC

Tristan da Cunha region

Mag 5.4 2026-02-10 13:46 UTC

Ascension Island region

Mag 5.2 2026-01-28 02:58 UTC

Ascension Island region

Mag 5.4 2026-01-28 01:58 UTC

southern Mid-Atlantic Ridge

Mag 5.8 2026-01-26 02:49 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-01-26 02:11 UTC

274 km SSE of Georgetown, Saint Helena

Mag 5.2 2026-01-20 06:04 UTC