Weak mag. 2.2 earthquake - 17 km west of Welkom, South Africa, on Wednesday, Dec 15, 2021 at 3:40 am (GMT +2) -
Quake Data | Interactive map | User Reports | Earlier quakes here | Quakes in South Africa | Orange Free State | Gauteng
Weak magnitude 2.2 earthquake at 10 km depth
15 Dec 01:49 UTC: First to report: CGS after 9 minutes.
|Date & time||Dec 15, 2021 01:40:03 UTC -|
|Local time at epicenter||Wednesday, Dec 15, 2021 at 3:40 am (GMT +2)|
|Epicenter latitude / longitude||28.005°S / 26.563°E (Lejweleputswa District Municipality, Orange Free State, South Africa)|
|Antipode||28.005°N / 153.437°W|
|Shaking intensity||Very weak shaking|
|Primary data source||CGS (Council for Geoscience, South African National Seismograph Network)|
|Nearby towns and cities||17 km (11 mi) W of Welkom (pop: 431,900) | Show on map | Quakes nearby|
26 km (16 mi) SE of Wesselsbron (pop: 42,600) | Show on map | Quakes nearby
27 km (16 mi) SW of Kutloanong (pop: 95,000) | Show on map | Quakes nearby
29 km (18 mi) SSW of Allanridge (pop: 31,700) | Show on map | Quakes nearby
32 km (20 mi) WNW of Virginia (pop: 122,500) | Show on map | Quakes nearby
45 km (28 mi) W of Hennenman (pop: 22,800) | Show on map | Quakes nearby
47 km (29 mi) NNW of Theunissen (pop: 34,700) | Show on map | Quakes nearby
77 km (48 mi) WSW of Kroonstad (pop: 104,000) | Show on map | Quakes nearby
129 km (80 mi) NNE of Bloemfontein (pop: 463,100) | Show on map | Quakes nearby
299 km (186 mi) SSW of Pretoria (Gauteng) (pop: 1,619,400) | Show on map | Quakes nearby
|Weather at epicenter at time of quake||Scattered Clouds 16°C (61 F), humidity: 74%, wind: 3 m/s (5 kts) from NE|
|Estimated seismic energy released||1.3 x 108 joules (35 kilowatt hours) | about seismic energy|
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.
|2.2||10 km||South Africa Region||CGS|
User reports for this quakeAt magnitude 2.2, such a quake wouldn't normally be felt by people except under very favorable conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.