Location: South Sandwich Islands region Period: 12 Aug 2021 18:35:17 - 17 Aug 2021 03:10:49 (4 days 8 hours 35 minutes) Volcanoes in 100km radius: None Earthquakes: 53 4 swarms found nearby. 2015 PS20150526.1(94.4km) 26 May 24 minutes 5 earthquakes 2018 PS20180905.1(53.7km) 4 Sep 15 hours 7 earthquakes 2021 PS20210812.3(96.1km) 12 Aug 1 day 9 hours 27 earthquakes PS20210820.1(71.0km) 20 Aug 19 hours 6 earthquakes