| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -34.802, -15.295 |
| UTC time | 1973-09-21 17:46:09.700 |
Earthquake details
Friday, September 21, 1973 Earthquake
The earthquake hit Tristan da Cunha region on Friday, September 21, 1973 at 17:46 UTC with a magnitude of 5.0. The closest known location in the current dataset is Cabo Frio, about 2911.5 km away. The epicenter is located at longitude -15.295 and latitude -34.802.
| Location | Tristan da Cunha region |
| Country | Tristan da Cunha region |
| Severity | Strong |
Earthquake map 1973-09-21
Closest countries
The 12 closest cities near the epicenter.
| Cabo Frio | 2911.5 km |
| São Pedro da Aldeia | 2921.0 km |
| Macaé | 2921.6 km |
| Campos dos Goytacazes | 2923.4 km |
| Guarapari | 2926.3 km |
| Rio das Ostras | 2926.6 km |
| Vila Velha | 2932.6 km |
| Vitória | 2937.1 km |
| Araruama | 2939.6 km |
| Viana | 2945.1 km |
| Serra | 2947.9 km |
| Saquarema | 2949.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.4
Tristan da Cunha region
Unknown · 2026-02-10 13:46 UTC
73.0 km
M 4.8
Tristan da Cunha region
Unknown · 2024-05-18 04:18 UTC
50.2 km
M 4.6
southern Mid-Atlantic Ridge
Unknown · 2023-12-18 15:37 UTC
80.3 km
M 4.9
Tristan da Cunha region
Unknown · 2023-07-16 19:35 UTC
22.6 km
M 5.6
Tristan da Cunha region
Unknown · 2023-02-11 15:31 UTC
67.1 km
M 4.9
Tristan da Cunha region
Unknown · 2022-10-14 01:45 UTC
64.0 km
M 4.6
Tristan da Cunha region
Unknown · 2022-05-08 19:43 UTC
61.0 km
M 4.9
Tristan da Cunha region
Unknown · 2021-12-21 07:50 UTC
87.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.