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.
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)Broken Clouds
1.4°C (34 F), humidity: 89%, wind: 6 m/s (12 kts) from NWEstimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.3 | 56 km | SOUTH SANDWICH ISLANDS REGION | EMSC |
| M 5.2 | 54 km | South Sandwich Islands Region | USGS |
| M 5.3 | 61 km | South Sandwich Islands Region | GeoAu |
| M 5.3 | 53 km | South Sandwich Islands Region | GFZ |
| M 4.8 | 291 km | South Sandwich Islands Region | BMKG |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
