| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | -33.926, 56.418 |
| UTC time | 1984-04-21 13:57:27.110 |
Earthquake details
Saturday, April 21, 1984 Earthquake
The earthquake hit Southwest Indian Ridge on Saturday, April 21, 1984 at 13:57 UTC with a magnitude of 5.4. The closest known location in the current dataset is Tôlanaro, about 1346.2 km away. The epicenter is located at longitude 56.418 and latitude -33.926.
| Location | Southwest Indian Ridge |
| Country | Southwest Indian Ridge |
| Severity | Strong |
Earthquake map 1984-04-21
Closest countries
The 12 closest cities near the epicenter.
| Tôlanaro | 1346.2 km |
| Amboasary | 1386.1 km |
| Ambovombe | 1394.5 km |
| Saint-Joseph | 1399.1 km |
| Saint-Pierre | 1404.2 km |
| Saint-Louis | 1410.6 km |
| Le Tampon | 1410.9 km |
| Saint-Leu | 1424.3 km |
| Tsiombe | 1427.2 km |
| Saint-Benoît | 1436.3 km |
| Saint-Paul | 1442.3 km |
| Saint-André | 1445.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Southwest Indian Ridge
Unknown · 2025-04-06 10:36 UTC
76.1 km
M 4.7
Southwest Indian Ridge
Unknown · 2025-02-12 18:47 UTC
60.5 km
M 4.5
Southwest Indian Ridge
Unknown · 2024-11-18 14:51 UTC
93.2 km
M 4.3
Southwest Indian Ridge
Unknown · 2024-06-13 18:48 UTC
89.2 km
M 4.5
Southwest Indian Ridge
Unknown · 2024-04-08 22:21 UTC
52.1 km
M 4.5
Southwest Indian Ridge
Unknown · 2024-01-29 21:02 UTC
76.5 km
M 4.4
Southwest Indian Ridge
Unknown · 2023-12-12 09:45 UTC
93.9 km
M 4.5
Southwest Indian Ridge
Unknown · 2023-11-25 19:44 UTC
44.8 km
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