Mag. 4.7 earthquake - South Atlantic Ocean, Antarctica, on Wednesday, 28 Oct 2020 6:57 pm (GMT -3) -
This quake was likely a foreshock of the 5.1 quake South Atlantic Ocean, Antarctica, 29 Oct 4:02 am (GMT -3), which followed after 9 hours.
Light magnitude 4.7 earthquake at 6 km depth
29 Oct 00:12 UTC: First to report: USGS after 2 hours and 15 minutes.
Local time at epicenter: Wednesday, 28 Oct 2020 6:57 pm (GMT -3)
Magnitude: 4.7
Depth: 5.5 km
Epicenter latitude / longitude: 62.2805°S / 58.1285°W
(South Atlantic Ocean, Antarctica)Nearest volcano: Penguin Island (23 km / 14 mi)
Nearby towns and cities:
20 km (13 mi) SE of Napier Rock Island --> See nearby quakes!
49 km (30 mi) S of World's End Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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 4.7 | 5.5 km | South Shetland Islands, Antarctica | USGS |
| M 4.7 | 6 km | South Shetland Islands, Antarctica | EMSC |
| M 4.7 | 5.5 km | South Shetland Islands, Antarctica | USGS |
| M 4.7 | 5.5 km | South Shetland Islands, Antarctica | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area
Mag. 4.7 earthquake - South Atlantic Ocean, Antarctica, on Wednesday, 28 Oct 2020 6:57 pm (GMT -3)Click here to search our database for earlier earthquakes in the same area since 1900!
