Light mag. 3.1 earthquake - 12 km west of Orkney, South Africa, on Sunday, Apr 3, 2022 at 9:06 pm (GMT +2) -

Light mag. 3.1 earthquake - 12 km west of Orkney, South Africa, on Sunday, Apr 3, 2022 at 9:06 pm (GMT +2) Light mag. 3.1 earthquake - 12 km west of Orkney, South Africa, on Sunday, Apr 3, 2022 at 9:06 pm (GMT +2)

Light magnitude 3.1 earthquake at 10 km depth

3 Apr 19:11 UTC: First to report: VolcanoDiscovery after 5 minutes.
3 Apr 19:14: Now using data updates from CGS
3 Apr 19:21: Magnitude recalculated from 2.9 to 3.0.
5 Apr 14:42: Magnitude recalculated from 3.0 to 3.1.

Earthquake details

Date & timeApr 3, 2022 19:06:36 UTC -
Local time at epicenterSunday, Apr 3, 2022 at 9:06 pm (GMT +2)
Depth10.0 km
Epicenter latitude / longitude26.97°S / 26.551°E (Dr Kenneth Kaunda District Municipality, North West, South Africa)
Antipode26.97°N / 153.449°W
Shaking intensityVery weak shaking
Felt1 report
Primary data sourceCGS (Council for Geoscience, South African National Seismograph Network)
Nearby towns and cities12 km (8 mi) W of Orkney (North-West) (pop: 145,800) | Show on map | Quakes nearby
17 km (11 mi) SW of Klerksdorp (North-West) (pop: 178,900) | Show on map | Quakes nearby
26 km (16 mi) WSW of Stilfontein (North-West) (pop: 93,100) | Show on map | Quakes nearby
47 km (29 mi) N of Bothaville (Orange Free State) (pop: 71,900) | Show on map | Quakes nearby
47 km (29 mi) WNW of Viljoenskroon (Orange Free State) (pop: 55,000) | Show on map | Quakes nearby
61 km (38 mi) WSW of Potchefstroom (North-West) (pop: 123,700) | Show on map | Quakes nearby
152 km (94 mi) WSW of Soweto (Gauteng) (pop: 1,695,000) | Show on map | Quakes nearby
153 km (95 mi) SE of Mahikeng (North-West) (pop: 14,000) | Show on map | Quakes nearby
171 km (106 mi) WSW of Johannesburg (Gauteng) (pop: 2,026,500) | Show on map | Quakes nearby
213 km (132 mi) SW of Pretoria (Gauteng) (pop: 1,619,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 18.2°C (65 F), humidity: 73%, wind: 5 m/s (10 kts) from NNW
Estimated seismic energy released2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
3.110 kmSouth Africa RegionCGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Orkney (17.1 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : I felt rumbling and heard the shaking.  
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