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

central Mid-Atlantic Ridge

Mag 6.8 2026-10-13 12:23 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2026-10-13 08:38 UTC

central Mid-Atlantic Ridge

Mag 6.7 2026-10-13 05:44 UTC

central Mid-Atlantic Ridge

Mag 5.3 2026-10-05 01:18 UTC

southern Mid-Atlantic Ridge

Mag 5.6 2026-09-29 13:06 UTC

South Atlantic Ocean

Mag 5.0 2026-09-17 06:48 UTC

136 km ENE of Georgetown, Saint Helena

Mag 5.0 2026-09-16 21:06 UTC

South Atlantic Ocean

Mag 5.2 2026-08-27 04:19 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2026-08-23 11:22 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2026-08-22 01:34 UTC

north of Ascension Island

Mag 5.6 2026-08-02 11:52 UTC

north of Ascension Island

Mag 5.0 2026-08-02 09:17 UTC

Tristan da Cunha region

Mag 5.6 2026-08-01 11:07 UTC

Tristan da Cunha region

Mag 5.1 2026-08-01 09:50 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-07-29 21:36 UTC

southern Mid-Atlantic Ridge

Mag 5.1 2026-07-28 01:27 UTC

103 km ENE of Georgetown, Saint Helena

Mag 5.0 2026-07-27 22:32 UTC

South Atlantic Ocean

Mag 5.0 2026-07-26 22:39 UTC

Tristan da Cunha region

Mag 5.3 2026-07-26 01:32 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-07-16 21:53 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-07-16 21:16 UTC

southern Mid-Atlantic Ridge

Mag 5.3 2026-07-16 20:21 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-07-16 19:55 UTC

southern Mid-Atlantic Ridge

Mag 5.0 2026-07-16 19:44 UTC