Moderate mag. 5.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Tuesday, 1 Dec 2020 3:39 pm (GMT -2) -

Moderate magnitude 5.0 earthquake at 28 km depth
1 Dec 18:02 UTC: First to report: GeoAu after 23 minutes.
1 Dec 18:09: Hypocenter depth recalculated from 0.0 to 10.0 km (from 0 to 6.2 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards SSW.
1 Dec 22:30: Epicenter location corrected by 9.8 km (6.1 mi) towards W.
2 Dec 00:45: Hypocenter depth recalculated from 10.0 to 28.2 km (from 6.2 to 17.5 mi). Epicenter location corrected by 130 km (81 mi) towards SW.
1 Dec 18:09: Hypocenter depth recalculated from 0.0 to 10.0 km (from 0 to 6.2 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards SSW.
1 Dec 22:30: Epicenter location corrected by 9.8 km (6.1 mi) towards W.
2 Dec 00:45: Hypocenter depth recalculated from 10.0 to 28.2 km (from 6.2 to 17.5 mi). Epicenter location corrected by 130 km (81 mi) towards SW.
Date & time: 1 Dec 2020 17:39:06 UTC -
Local time at epicenter: Tuesday, 1 Dec 2020 3:39 pm (GMT -2)
Magnitude: 5
Depth: 28.2 km
Epicenter latitude / longitude: 59.906°S / 26.305°W

Nearest volcano: Bristol Island (124 km / 77 mi)
Weather at epicenter at time of quake:
Overcast Clouds
0.4°C (33 F), humidity: 96%, wind: 9 m/s (17 kts) from NW
Primary data source: GeoAu (Geoscience Australia )Overcast Clouds

Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 5.0 | 28 km | South Sandwich Islands Region | GeoAu |
M 5.1 | 10 km | SOUTH SANDWICH ISLANDS REGION | EMSC |
M 5.1 | 97 km | South Sandwich Islands Region | USGS |
M 5.1 | 89 km | South Sandwich Islands Region | GFZ |
User reports for this quake
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So far, no aftershocks have been registered.
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Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 28 Aug 1933 22:19| 7.5 |35km / 22mi|88 years ago|33km / 21mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 11 Dec 2018 02:26| 7.4 |10km / 6.2mi|2 years ago|188km / 117mi| South Sandwich Islands Region
- 15 Jul 2013 14:03| 7.3 |31km / 19mi|8 years ago|125km / 77mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 01 Sep 1961 00:09| 7.3 |129km / 80mi|60 years ago|76km / 47mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 22 Oct 1983 04:21| 7.2 |24km / 15mi|37 years ago|97km / 60mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 26 Aug 1977 19:50| 7.1 |33km / 21mi|44 years ago|330km / 205mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 30 Jun 2008 06:17| 7.0 |8km / 5mi|13 years ago|304km / 189mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 30 Jan 1987 22:29| 7.0 |48km / 30mi|34 years ago|38km / 24mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 06 Oct 1973 15:07| 7.0 |33km / 21mi|47 years ago|281km / 174mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
- 14 Dec 1959 23:22| 7.0 |25km / 16mi|61 years ago|4km / 2mi| South Atlantic Ocean, South Georgia & South Sandwich Islands
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