Past earthquakes in Welkom, Orange Free State, South Africa: 2021 - list, stats and map

Updated May 18, 2022 13:43 GMT -

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Quakes in 2021:

1 quake above magnitude 4
14 quakes between magnitude 3 and 4
93 quakes between magnitude 2 and 3

In 2021, Welkom was shaken by 1 quake of magnitude 4.4, 14 quakes between 3.0 and 4.0, and 93 quakes between 2.0 and 3.0.

Strongest quake: Mag. 4.4 | 19 km E of Stilfontein, South Africa -

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Hide 11 unconfirmed quakesShow 11 unconfirmed quakes

Showing quakes magnitude 0.1 or higher (119 quakes):

Date and time	Mag Depth	Nearest volcano (distance)	Location	Details	Map
Sunday, December 26, 2021 GMT (1 quake)
Dec 26, 2021 9:17 am (GMT +2) (Dec 26, 2021 07:17 GMT)	2.5 10 km		5.2 km northeast of Stilfontein, South Africa	More	Map
Wednesday, December 22, 2021 GMT (2 quakes)
Dec 22, 2021 10:04 pm (GMT +2) (Dec 22, 2021 20:04 GMT)	2.7 10 km		2.4 km north of Stilfontein, South Africa	More	Map
Dec 22, 2021 8:39 am (GMT +2) (Dec 22, 2021 06:39 GMT)	2.6 10 km		6.6 km west of Kutloanong, South Africa 1 report	More	Map
Wednesday, December 15, 2021 GMT (1 quake)
Dec 15, 2021 3:40 am (GMT +2) (Dec 15, 2021 01:40 GMT)	2.2 10 km		17 km west of Welkom, South Africa	More	Map
Sunday, December 12, 2021 GMT (2 quakes)
Dec 12, 2021 11:30 pm (GMT +2) (Dec 12, 2021 21:30 GMT)	? n/a		7.7 km east of Orkney, South Africa (unconfirmed) 1 report	More	Map
Dec 12, 2021 3:10 am (GMT +2) (Dec 12, 2021 01:10 GMT)	? n/a		Orange Free State, 2.3 km west of Maputsoe, Leribe, Lesotho (unconfirmed) 1 report	More	Map
Saturday, December 11, 2021 GMT (1 quake)
Dec 11, 2021 2:42 am (GMT +2) (Dec 11, 2021 00:42 GMT)	2.7 10 km		3.3 km southeast of Stilfontein, South Africa	More	Map
Thursday, December 9, 2021 GMT (1 quake)
Dec 9, 2021 7:48 am (GMT +2) (Dec 9, 2021 05:48 GMT)	2.4 10 km		14 km northeast of Virginia, South Africa	More	Map
Tuesday, December 7, 2021 GMT (2 quakes)
Dec 8, 2021 12:24 am (GMT +2) (Dec 7, 2021 22:24 GMT)	2.6 10 km		10.5 km northwest of Welkom, South Africa 3 reports	More	Map
Dec 7, 2021 9:48 pm (GMT +2) (Dec 7, 2021 19:48 GMT)	2.6 10 km		3.2 km south of Stilfontein, South Africa	More	Map
Tuesday, November 30, 2021 GMT (1 quake)
Nov 30, 2021 7:03 am (GMT +2) (Nov 30, 2021 05:03 GMT)	2.1 10 km		Orange Free State, 11 km southeast of Stilfontein, South Africa	More	Map
Friday, November 26, 2021 GMT (1 quake)
Nov 26, 2021 3:43 pm (GMT +2) (Nov 26, 2021 13:43 GMT)	2.8 10 km		Orange Free State, 12 km southeast of Stilfontein, South Africa	More	Map
Sunday, November 21, 2021 GMT (1 quake)
Nov 22, 2021 12:36 am (GMT +2) (Nov 21, 2021 22:36 GMT)	2.6 10 km		10.7 km east of Welkom, South Africa	More	Map
Thursday, November 18, 2021 GMT (1 quake)
Nov 18, 2021 11:16 pm (GMT +2) (Nov 18, 2021 21:16 GMT)	2.6 10 km		17 km north of Klerksdorp, South Africa	More	Map
Monday, November 15, 2021 GMT (1 quake)
Nov 15, 2021 8:07 pm (GMT +2) (Nov 15, 2021 18:07 GMT)	? n/a		0.6 km northeast of Stilfontein, South Africa (unconfirmed) 2 reports	More	Map
Saturday, November 13, 2021 GMT (2 quakes)
Nov 13, 2021 7:43 pm (GMT +2) (Nov 13, 2021 17:43 GMT)	? n/a		5.4 km northeast of Klerksdorp, South Africa (unconfirmed) 4 reports	More	Map

Estimated combined seismic energy released: 3.7 x 10¹¹ joules (104 megawatt hours, equivalent to 89.5 tons of TNT) | about seismic energy

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Updated: May 18, 2022 13:43 GMT - Refresh

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