Mag. 3.8 earthquake - South Atlantic Ocean, Antarctica, on 20/10/2020 23:48:22 -
This quake was likely an aftershock of the 5.2 quake South Atlantic Ocean, Antarctica, 17 Oct 2020 9:05 pm (GMT -3), which had occurred 3 days earlier.
Minor magnitude 3.8 earthquake at 13 km depth
21 Oct 15:18 UTC: First to report: INPRES after 12 hours.
Local time at epicenter: 20/10/2020 23:48:22
Magnitude: 3.8
Depth: 13.0 km
Epicenter latitude / longitude: 62.356°S / 58.361°W
(South Atlantic Ocean, Antarctica)Nearest volcano: Penguin Island (36 km / 22 mi)
Nearby towns and cities:
21 km (13 mi) S of Napier Rock Island --> See nearby quakes!
60 km (37 mi) SSW of World's End Island --> See nearby quakes!
Primary data source: INPRES
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 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 3.8 | 13 km | TFAIAS (Argentina), Antarctica | INPRES |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.8 earthquake - South Atlantic Ocean, Antarctica, on 20/10/2020 23:48:22Click here to search our database for earlier earthquakes in the same area since 1900!
