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Past earthquakes in Antarctica: 2021 - list, stats and map

Updated May 22, 2022 01:34 GMT -
See quake list

Quakes in 2021:

  • 2 quakes above magnitude 7
  • 7 quakes between magnitude 6 and 7
  • 49 quakes between magnitude 5 and 6
  • 71 quakes between magnitude 4 and 5
  • 156 quakes between magnitude 3 and 4
  • 125 quakes between magnitude 2 and 3
In 2021, Antarctica was shaken by 2 quakes of magnitude 7.0 or above, 7 quakes between 6.0 and 7.0, 49 quakes between 5.0 and 6.0, 71 quakes between 4.0 and 5.0, 156 quakes between 3.0 and 4.0, and 125 quakes between 2.0 and 3.0.

Strongest quake: Mag. 7.1 | South Atlantic Ocean, South Georgia & South Sandwich Islands -

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Showing quakes magnitude 3.1 or higher (256 out of 410 quakes, show more):
Date and timeMag
Depth
Nearest volcano (distance)LocationDetailsMap
Thursday, December 16, 2021 GMT (1 quake)
Dec 16, 2021 7:14 pm (GMT -2) (Dec 16, 2021 21:14 GMT)
6.0

15 km
South Sandwich Islands Region MoreMap
Tuesday, December 14, 2021 GMT (1 quake)
Dec 14, 2021 16:40 GMT
4.6

10 km
South Sandwich Islands Region MoreMap
Sunday, December 12, 2021 GMT (3 quakes)
Dec 12, 2021 7:45 pm (GMT +10) (Dec 12, 2021 09:45 GMT)
5.3

10 km
West of Macquarie Island MoreMap
Dec 12, 2021 09:05 GMT
4.5

10 km
Balleny Islands Region MoreMap
Dec 12, 2021 6:58 pm (GMT +10) (Dec 12, 2021 08:58 GMT)
6.5

10 km
5.5 WEST OF MACQUARIE ISLAND 1 reportMoreMap
Saturday, December 4, 2021 GMT (1 quake)
Dec 4, 2021 02:06 GMT
4.6

10 km
South Sandwich Islands Region MoreMap
Friday, December 3, 2021 GMT (1 quake)
Dec 3, 2021 6:33 am (GMT -2) (Dec 3, 2021 08:33 GMT)
6.0

9.9 km
South Sandwich Islands Region MoreMap
Wednesday, December 1, 2021 GMT (1 quake)
Dec 1, 2021 6:20 pm (GMT -2) (Dec 1, 2021 20:20 GMT)
4.9

10 km
South Sandwich Islands Region MoreMap
Wednesday, November 24, 2021 GMT (1 quake)
Nov 24, 2021 14:12 GMT
4.7

10 km
South Sandwich Islands Region MoreMap
Saturday, November 20, 2021 GMT (1 quake)
Nov 20, 2021 5:21 am (GMT -3) (Nov 20, 2021 08:21 GMT)
4.9

44 km
Antarctica: SCOTIA SEA MoreMap
Saturday, November 6, 2021 GMT (1 quake)
Nov 6, 2021 7:56 am (GMT -2) (Nov 6, 2021 09:56 GMT)
4.7

10 km
South Sandwich Islands Region MoreMap
Wednesday, November 3, 2021 GMT (1 quake)
Nov 3, 2021 5:28 am (GMT -2) (Nov 3, 2021 07:28 GMT)
4.9

35 km
SOUTH SANDWICH ISLANDS REGION MoreMap
Tuesday, November 2, 2021 GMT (1 quake)
Nov 3, 2021 3:00 am (GMT +10) (Nov 2, 2021 17:00 GMT)
4.8

10 km
Balleny Islands Region MoreMap
Wednesday, October 13, 2021 GMT (1 quake)
Oct 13, 2021 6:34 am (GMT -11) (Oct 13, 2021 17:34 GMT)
4.6

10 km
Pacific-Antarctic Ridge MoreMap
Friday, October 8, 2021 GMT (1 quake)
Oct 8, 2021 8:55 pm (GMT -2) (Oct 8, 2021 22:55 GMT)
5.0

10 km
South Sandwich Islands Region MoreMap
Monday, October 4, 2021 GMT (3 quakes)
Oct 4, 2021 12:51 pm (GMT -2) (Oct 4, 2021 14:51 GMT)
5.0

10 km
South Sandwich Islands Region MoreMap
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Estimated combined seismic energy released: 7 x 1015 joules (1944 gigawatt hours, equivalent to 1.7 x 106 tons of TNT or 104.5 atomic bombs!) | about seismic energy
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