| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 11.0 km |
| Coordinates | -26.933, 26.656 |
| UTC time | 1977-04-07 11:54:37.100 |
Earthquake details
Thursday, April 7, 1977 Earthquake
The earthquake hit South Africa on Thursday, April 7, 1977 at 11:54 UTC with a magnitude of 5.5. The closest known location in the current dataset is Orkney (South Africa - ZA), about 5.5 km away. The epicenter is located at longitude 26.656 and latitude -26.933.
| Location | Klerksdorp |
| Country | South Africa (ZA) |
| Severity | Strong |
Earthquake map 1977-04-07
Closest countries
The 12 closest cities near the epicenter.
| Orkney | 5.5 km |
| Klerksdorp | 9.1 km |
| Stilfontein | 14.8 km |
| Viljoenskroon | 42.2 km |
| Potchefstroom | 50.3 km |
| Bothaville | 50.9 km |
| Wolmaransstad | 72.9 km |
| Parys | 79.6 km |
| Allanridge | 91.4 km |
| Fochville | 96.9 km |
| Carletonville | 97.5 km |
| Kroonstad | 98.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.2
Klerksdorp
South Africa · 2026-02-08 17:10 UTC
|
12.8 km |
|
M 4.3
Klerksdorp
South Africa · 2025-09-10 02:21 UTC
|
19.1 km |
|
M 4.8
Klerksdorp
South Africa · 2025-07-10 11:48 UTC
|
13.0 km |
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