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

Updated May 18, 2022 17:32 GMT -
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Quakes during December 2021:

  • 1 quake above magnitude 4
  • 2 quakes between magnitude 3 and 4
  • 16 quakes between magnitude 2 and 3
During December 2021, Allanridge was shaken by 1 quake of magnitude 4.2, 2 quakes between 3.0 and 4.0, and 16 quakes between 2.0 and 3.0.

Strongest quake: Mag. 4.2 | 4.2 km E of Fochville, North West, South Africa -

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Showing quakes magnitude 0.1 or higher (21 quakes):
Date and timeMag
Depth
Nearest volcano (distance)LocationDetailsMap
Tuesday, December 28, 2021 GMT (1 quake)
Dec 28, 2021 1:47 pm (GMT +2) (Dec 28, 2021 11:47 GMT)
3.0

10 km
2.4 km north of Carletonville, South Africa 1 reportMoreMap
Monday, December 27, 2021 GMT (1 quake)
Dec 27, 2021 2:09 pm (GMT +2) (Dec 27, 2021 12:09 GMT)
2.9

10 km
13 km southwest of Westonaria, South Africa 1 reportMoreMap
Sunday, December 26, 2021 GMT (2 quakes)
Dec 26, 2021 8:07 pm (GMT +2) (Dec 26, 2021 18:07 GMT)
2.7

10 km
24 km west of Carletonville, South Africa 1 reportMoreMap
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 MoreMap
Thursday, December 23, 2021 GMT (1 quake)
Dec 23, 2021 4:17 am (GMT +2) (Dec 23, 2021 02:17 GMT)
2.2

10 km
8.8 km east of Carletonville, South Africa 1 reportMoreMap
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 MoreMap
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 reportMoreMap
Monday, December 20, 2021 GMT (1 quake)
Dec 20, 2021 11:33 pm (GMT +2) (Dec 20, 2021 21:33 GMT)
2.6

10 km
10.1 km southwest of Westonaria, South Africa MoreMap
Thursday, December 16, 2021 GMT (2 quakes)
Dec 16, 2021 4:18 am (GMT +2) (Dec 16, 2021 02:18 GMT)
3.0

10 km
North West, 15 km southwest of Westonaria, South Africa MoreMap
Dec 16, 2021 2:59 am (GMT +2) (Dec 16, 2021 00:59 GMT)
4.2

5 km
4.2 km east of Fochville, North West, South Africa 5 reportsMoreMap
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 MoreMap
Tuesday, December 14, 2021 GMT (1 quake)
Dec 14, 2021 9:50 am (GMT +2) (Dec 14, 2021 07:50 GMT)
2.5

10 km
10.6 km southeast of Westonaria, South Africa MoreMap
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 reportMoreMap
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 reportMoreMap
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 MoreMap
Friday, December 10, 2021 GMT (1 quake)
Dec 10, 2021 6:13 pm (GMT +2) (Dec 10, 2021 16:13 GMT)
2.5

10 km
20 km south of Johannesburg, Gauteng, South Africa MoreMap
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Estimated combined seismic energy released: 1.4 x 1011 joules (38.3 megawatt hours, equivalent to 32.9 tons of TNT) | about seismic energy

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