Moderate mag. 5.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Tuesday, 23 Feb 2021 3:19 am (GMT -2) -

Moderate mag. 5.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Tuesday, 23 Feb 2021 3:19 am (GMT -2)

Moderate magnitude 5.3 earthquake at 56 km depth

23 Feb 05:40 UTC: First to report: EMSC after 21 minutes.
23 Feb 06:33: Epicenter location corrected by 1.7 km (1 mi) towards NE.
23 Feb 10:32: Hypocenter depth recalculated from 60.0 to 56.0 km (from 37 to 35 mi). Epicenter location corrected by 7.6 km (4.7 mi) towards W.
Date & time: 23 Feb 2021 05:19:32 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 3:19 am (GMT -2)
Magnitude: 5.3
Depth: 56.0 km
Epicenter latitude / longitude: 55.82°S / 28.73°W (South Atlantic Ocean, South Georgia & South Sandwich Islands)
Nearest volcano: Protector Shoal (36 km / 22 mi)
Weather at epicenter at time of quake:
Broken Clouds 1.4°C (34 F), humidity: 89%, wind: 6 m/s (12 kts) from NW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
MagnitudeDepthLocationSource
M 5.356 kmSOUTH SANDWICH ISLANDS REGIONEMSC
M 5.254 kmSouth Sandwich Islands RegionUSGS
M 5.361 kmSouth Sandwich Islands RegionGeoAu
M 5.353 kmSouth Sandwich Islands RegionGFZ
M 4.8291 kmSouth Sandwich Islands RegionBMKG

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
london / Strong shaking (MMI VI)
Volcanoes & Earthquakes - new app for Android

Aftershocks

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.