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Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Friday, 6 Aug 2021 5:22 pm (GMT -2)

Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Friday, Aug 6, 2021 at 5:22 pm (GMT -2)

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Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Friday, Aug 6, 2021 at 5:22 pm (GMT -2) Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Friday, Aug 6, 2021 at 5:22 pm (GMT -2)

Strong magnitude 6.0 earthquake at 42 km depth

6 Aug 19:31 UTC: First to report: GFZ after 10 minutes.
6 Aug 19:32: Epicenter location corrected by 4 km (2.5 mi) towards SW.
6 Aug 20:13: Hypocenter depth recalculated from 10.0 to 42.0 km (from 6.2 to 26 mi). Epicenter location corrected by 10.1 km (6.3 mi) towards SW.
6 Aug 20:21: Magnitude recalculated from 5.9 to 6.0.

Earthquake details

Date & timeAug 6, 2021 19:22:04 UTC -
Local time at epicenterFriday, Aug 6, 2021 at 5:22 pm (GMT -2)
StatusConfirmed
Magnitude6
Depth42.0 km
Epicenter latitude / longitude59.72°S / 26.09°W (South Atlantic Ocean, South Georgia & South Sandwich Islands)
Antipode59.72°N / 153.91°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoBristol Island (80 km / 50 mi)
Nearby towns and cities
Weather at epicenter at time of quakeSnow -3.8°C (25 F), humidity: 94%, wind: 16 m/s (31 kts) from N
Estimated seismic energy released6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) | 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.
Mag.DepthLocationSource
6.042 kmSouth Sandwich Islands RegionGFZ
5.910 kmSOUTH SANDWICH ISLANDS REGIONEMSC
5.610 kmNear Mar Del PlataRENASS
5.931 kmSouth Sandwich Islands RegionUSGS
6.0124 kmSouth Georgia & the South Sandwich Is. [Sea]INGV
5.964 kmSouth Sandwich Islands RegionGeoAu
5.610 kmSouth Sandwich Islands RegionBMKG

Seismograms

Seismic station: Palmer Station, Antarctica (PMSA/IU network) | Distance from quake: 2010 km / 1249 mi | Show on map | Station Info
Seismic station Palmer Station, Antarctica: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Aftershocks

[More info]

Recorded aftershocks, latest first (91 quakes)

Date and timeMag
Depth
LocationDetails
Jan 28, 2022 16:52
44 weeks ago
4.7

87 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 23, 2022 19:47
45 weeks ago
4.8

93 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 22, 2022 04:41
45 weeks ago
5.1

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 11, 2022 02:46
47 weeks ago
4.6

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 6, 2022 12:16
47 weeks ago
5.3

78 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 2, 2022 12:19
48 weeks ago
5.0

36 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jan 2, 2022 03:17
48 weeks ago
5.1

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Dec 15, 2021 08:53
50 weeks ago
4.5

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Dec 15, 2021 07:03
50 weeks ago
4.7

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Dec 12, 2021 08:46
51 weeks ago
5.0

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Dec 9, 2021 11:39
51 weeks ago
4.7

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Dec 8, 2021 00:17
51 weeks ago
5.5

74 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Nov 27, 2021 10:11
1 year 1 weeks ago
4.9

42 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Nov 21, 2021 11:36
1 year 2 weeks ago
4.9

40 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Nov 14, 2021 11:59
1 year 3 weeks ago
5.3

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Nov 10, 2021 05:09
1 year 3 weeks ago
4.5

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 30, 2021 12:42
1 year 5 weeks ago
4.7

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 30, 2021 04:11
1 year 5 weeks ago
4.8

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 29, 2021 22:07
1 year 5 weeks ago
4.5

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 29, 2021 07:20
1 year 5 weeks ago
4.6

43 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 23, 2021 01:19
1 year 6 weeks ago
4.5

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 16, 2021 02:35
1 year 7 weeks ago
4.9

56 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 12, 2021 13:38
1 year 7 weeks ago
5.0

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Oct 12, 2021 00:29
1 year 7 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 28, 2021 22:43
1 year 9 weeks ago
4.6

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 26, 2021 23:24
1 year 10 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 23, 2021 16:02
1 year 10 weeks ago
4.9

36 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 22, 2021 19:51
1 year 10 weeks ago
5.0

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 22, 2021 08:27
1 year 10 weeks ago
5.3

88 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 20, 2021 19:07
1 year 10 weeks ago
5.6

30 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 20, 2021 07:47
1 year 10 weeks ago
4.7

32 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 16, 2021 04:58
1 year 11 weeks ago
5.0

33 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 15, 2021 08:08
1 year 11 weeks ago
4.9

68 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 13, 2021 14:11
1 year 11 weeks ago
5.3

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 13, 2021 02:34
1 year 12 weeks ago
5.1

45 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 11, 2021 09:23
1 year 12 weeks ago
5.4

38 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 9, 2021 12:59
1 year 12 weeks ago
5.1

46 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 7, 2021 10:22
1 year 12 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 5, 2021 21:00
1 year 13 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 4, 2021 01:57
1 year 13 weeks ago
4.5

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 3, 2021 07:49
1 year 13 weeks ago
5.6

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 3, 2021 00:56
1 year 13 weeks ago
4.7

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 30, 2021 14:45
1 year 13 weeks ago
5.2

66 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 28, 2021 20:10
1 year 14 weeks ago
5.1

51 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 28, 2021 16:04
1 year 14 weeks ago
4.9

51 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 28, 2021 10:17
1 year 14 weeks ago - felt
4.8

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 28, 2021 00:22
1 year 14 weeks ago
5.5

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 26, 2021 09:13
1 year 14 weeks ago
4.8

40 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 26, 2021 08:02
1 year 14 weeks ago
4.7

43 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 26, 2021 06:37
1 year 14 weeks ago
4.7

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 25, 2021 19:31
1 year 14 weeks ago
5.0

48 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 25, 2021 00:49
1 year 14 weeks ago
4.7

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 24, 2021 23:26
1 year 14 weeks ago
5.0

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 23, 2021 13:29
1 year 14 weeks ago
5.0

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 22, 2021 19:20
1 year 15 weeks ago
5.0

70 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 20, 2021 03:41
1 year 15 weeks ago
5.3

33 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 19, 2021 16:27
1 year 15 weeks ago
5.2

61 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 19, 2021 16:14
1 year 15 weeks ago
4.9

98 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 18, 2021 21:49
1 year 15 weeks ago
5.9

42 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 18, 2021 20:29
1 year 15 weeks ago
5.3

50 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 18, 2021 02:48
1 year 15 weeks ago
5.8

38 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 17, 2021 21:47
1 year 15 weeks ago
5.0

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 17, 2021 20:06
1 year 15 weeks ago
5.6

56 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 17, 2021 19:40
1 year 15 weeks ago
5.3

61 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 16, 2021 23:37
1 year 15 weeks ago
5.5

54 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 16, 2021 10:23
1 year 15 weeks ago
5.3

70 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 16, 2021 08:46
1 year 15 weeks ago
5.4

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 15, 2021 21:38
1 year 16 weeks ago
5.3

58 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 15, 2021 19:00
1 year 16 weeks ago
5.3

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 15, 2021 02:01
1 year 16 weeks ago
5.2

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 18:11
1 year 16 weeks ago
5.1

73 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 11:33
1 year 16 weeks ago
4.6

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 10:30
1 year 16 weeks ago
5.3

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 07:07
1 year 16 weeks ago
5.0

50 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 05:14
1 year 16 weeks ago
5.3

44 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 14, 2021 00:16
1 year 16 weeks ago
5.1

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 13, 2021 18:11
1 year 16 weeks ago
5.4

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 13, 2021 13:12
1 year 16 weeks ago
5.5

91 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 23:08
1 year 16 weeks ago
5.0

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 22:40
1 year 16 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 22:19
1 year 16 weeks ago
4.9

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 22:13
1 year 16 weeks ago
5.1

35 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 21:06
1 year 16 weeks ago
5.5

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 20:49
1 year 16 weeks ago
5.2

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 20:37
1 year 16 weeks ago
5.7

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 20:28
1 year 16 weeks ago
5.0

60 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 20:15
1 year 16 weeks ago
5.5

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 19:43
1 year 16 weeks ago
5.8

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 12, 2021 19:29
1 year 16 weeks ago
5.8

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 9, 2021 04:45
1 year 16 weeks ago
4.9

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Aug 7, 2021 09:58
1 year 17 weeks ago
4.8

26 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Show all

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