| Magnitude | 6.1 |
| Alert | Severe |
| Depth | 15.0 km |
| Coordinates | -34.455, 54.084 |
| UTC time | 1955-02-23 18:31:48.340 |
Earthquake details
Wednesday, February 23, 1955 Earthquake
The earthquake hit Southwest Indian Ridge on Wednesday, February 23, 1955 at 18:31 UTC with a magnitude of 6.1. The closest known location in the current dataset is Tôlanaro, about 1252.6 km away. The epicenter is located at longitude 54.084 and latitude -34.455.
| Location | Southwest Indian Ridge |
| Country | Southwest Indian Ridge |
| Severity | Severe |
Earthquake map 1955-02-23
Closest countries
The 12 closest cities near the epicenter.
| Tôlanaro | 1252.6 km |
| Amboasary | 1285.0 km |
| Ambovombe | 1288.4 km |
| Tsiombe | 1313.2 km |
| Vangaindrano | 1387.4 km |
| Ampanihy | 1412.0 km |
| Farafangana | 1431.1 km |
| Saint-Joseph | 1463.5 km |
| Saint-Pierre | 1466.4 km |
| Saint-Louis | 1471.7 km |
| Le Tampon | 1473.7 km |
| Saint-Leu | 1483.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
Southwest Indian Ridge
Unknown · 2026-02-18 04:33 UTC
69.1 km
M 4.5
Southwest Indian Ridge
Unknown · 2026-02-10 15:28 UTC
57.2 km
M 4.7
Southwest Indian Ridge
Unknown · 2025-02-28 18:37 UTC
18.1 km
M 4.9
Southwest Indian Ridge
Unknown · 2024-11-18 04:57 UTC
98.3 km
M 4.3
South Indian Ocean
Unknown · 2024-04-14 17:47 UTC
76.8 km
M 4.6
Southwest Indian Ridge
Unknown · 2024-02-23 12:21 UTC
24.9 km
M 4.6
Southwest Indian Ridge
Unknown · 2023-11-02 10:02 UTC
46.4 km
M 4.3
Southwest Indian Ridge
Unknown · 2023-06-05 03:31 UTC
43.1 km
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