| 8.0 Mw|
| 10 km (6 mi)|
| November 25, 1941 (1941-11-25)|1941 Gloria Fault earthquake Wikipedia
A great earthquake occurred at 18:03:55 UTC in the northern Atlantic Ocean on 25 November 1941. It had a magnitude of about 8.0 on the moment magnitude scale and a maximum perceived intensity of IX (violent) on the Mercalli intensity scale. It was caused by movement on the Gloria Fault, part of the Azores–Gibraltar Transform Fault. It triggered a small tsunami, which was observed at Newlyn, Cornwall.