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What was erupting in the year...?

There were 78 confirmed eruptions at some point during 2021 from 74 different volcanoes; 30 of those were new eruptions that started during the year. A stop date with "(continuing)" indicates that the eruption was considered to be ongoing as of the date indicated. Data is reported through the last data update (5 June 2022). Information about more recent eruptions can be found in the Smithsonian / USGS Weekly Volcanic Activity Report.

Volcano Country Eruption Start Date Eruption Stop Date Max VEI
Piton de la Fournaise France 2021 Dec 22 2022 Jan 17 0
Hunga Tonga-Hunga Ha'apai Tonga 2021 Dec 20 2022 Jan 15 5
Ambae Vanuatu 2021 Dec 5 2022 Jun 3 (continuing) 1
Pinatubo Philippines 2021 Nov 30 2021 Nov 30 1
Iliwerung Indonesia 2021 Nov 28 2021 Nov 29 0
Turrialba Costa Rica 2021 Nov 3 2022 Feb 28 1
Asosan Japan 2021 Oct 14 2021 Oct 20 2
Kavachi Solomon Islands 2021 Oct 2 2022 Jun 3 (continuing) 0
Kilauea United States 2021 Sep 29 2022 Jun 3 (continuing) 0
La Palma Spain 2021 Sep 19 2021 Dec 13 3
Nishinoshima Japan 2021 Aug 14 2021 Aug 15 2
Fukutoku-Oka-no-Ba Japan 2021 Aug 13 2021 Sep 12 (?) 4
Chirinkotan Russia 2021 Aug 8 2021 Aug 26 2
Pavlof United States 2021 Aug 5 2022 Jun 3 (continuing) 2
Pagan United States 2021 Jul 29 2021 Sep 6 2
Sirung Indonesia 2021 Jul 21 2021 Jul 21 1
Ulawun Papua New Guinea 2021 Jul 9 2021 Nov 29 2
Copahue Chile-Argentina 2021 Jul 2 2021 Nov 6 1
Taal Philippines 2021 Jul 1 2021 Jul 9 1
Rincon de la Vieja Costa Rica 2021 Jun 28 2022 Jun 3 (continuing) 2
Turrialba Costa Rica 2021 Jun 13 2021 Jul 23 1
Great Sitkin United States 2021 May 25 2022 Jun 3 (continuing) 2
Krakatau Indonesia 2021 May 25 2022 Jun 3 (continuing) 2
Dieng Volcanic Complex Indonesia 2021 Apr 29 2021 Apr 29 1
Telica Nicaragua 2021 Apr 21 2022 Mar 29 1
Piton de la Fournaise France 2021 Apr 9 2021 May 24 0
Krysuvik-Trolladyngja Iceland 2021 Mar 19 2021 Sep 18 0
Veniaminof United States 2021 Feb 28 2021 Apr 5 1
Semisopochnoi United States 2021 Feb 2 ± 2 days 2022 Jun 3 (continuing) 2
Raung Indonesia 2021 Jan 21 2021 Apr 14 2
Merapi Indonesia 2020 Dec 31 2022 Jun 3 (continuing) 1
Soufriere St. Vincent Saint Vincent and the Grenadines 2020 Dec 27 2021 Apr 22 4
San Cristobal Nicaragua 2020 Dec 27 (?) 2022 May 11 (continuing) 3
Kilauea United States 2020 Dec 20 2021 May 23 0
Lewotolok Indonesia 2020 Nov 27 2022 Jun 2 (continuing) 2
Kavachi Solomon Islands 2020 Sep 2 2021 Apr 10 0
Sinabung Indonesia 2020 Aug 8 2021 Sep 23 3
Karymsky Russia 2020 Apr 1 2022 Jun 3 (continuing) 3
Sarychev Peak Russia 2020 Feb 29 ± 1 days 2021 Nov 26 1
Klyuchevskoy Russia 2019 Apr 9 2021 Mar 20 2
Sangay Ecuador 2019 Mar 26 2022 Jun 3 (continuing) 2
Tinakula Solomon Islands 2018 Dec 8 (in or before) 2022 May 16 (continuing) 2
Karangetang Indonesia 2018 Nov 25 2022 Jun 2 (continuing) 2
Barren Island India 2018 Sep 25 2022 Jan 30 1
Kerinci Indonesia 2018 Apr 21 2021 Jun 13 1
Nyamulagira DR Congo 2018 Apr 18 2022 Jun 3 (continuing) 0
Kadovar Papua New Guinea 2018 Jan 5 2022 Jun 3 (continuing) 2
Ol Doinyo Lengai Tanzania 2017 Apr 9 2022 May 23 (continuing) 0
Aira Japan 2017 Mar 25 2022 Jun 3 (continuing) 1
Sabancaya Peru 2016 Nov 6 2022 Jun 3 (continuing) 3
Ebeko Russia 2016 Oct 20 2021 Nov 9 2
Nevados de Chillan Chile 2016 Jan 8 2022 Jun 3 (continuing) 2
Langila Papua New Guinea 2015 Oct 22 (?) 2022 Jun 3 (continuing) 2
Masaya Nicaragua 2015 Oct 3 2022 Jun 3 (continuing) 1
Tofua Tonga 2015 Oct 2 2022 Jun 3 (continuing) 0
Pacaya Guatemala 2015 Jun 7 ± 1 days 2021 Aug 13 1
Villarrica Chile 2014 Dec 2 ± 7 days 2022 Jun 3 (continuing) 1
Nevado del Ruiz Colombia 2014 Nov 18 2022 May 9 (continuing) 2
Saunders United Kingdom 2014 Nov 12 2022 Feb 6 (continuing) 1
Manam Papua New Guinea 2014 Jun 29 2022 Jun 3 (continuing) 2
Semeru Indonesia 2014 Apr 1 ± 15 days 2022 Jun 3 (continuing) 3
Etna Italy 2013 Sep 3 2022 Jun 3 (continuing) 2
Heard Australia 2012 Sep 5 ± 4 days 2022 Jun 3 (continuing) 0
Bezymianny Russia 2010 May 21 (?) 2022 Jun 3 (continuing) 3
Reventador Ecuador 2008 Jul 27 2022 Jun 3 (continuing) 2
Ibu Indonesia 2008 Apr 5 2022 Jun 3 (continuing) 1
Popocatepetl Mexico 2005 Jan 9 2022 Jun 3 (continuing) 2
Suwanosejima Japan 2004 Oct 23 2022 Jun 3 (continuing) 2
Nyiragongo DR Congo 2002 May 17 (?) 2022 Jun 3 (continuing) 2
Fuego Guatemala 2002 Jan 4 2022 Jun 3 (continuing) 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2022 Mar 17 (continuing) 2
Sheveluch Russia 1999 Aug 15 2022 Jun 3 (continuing) 4
Erebus Antarctica 1972 Dec 16 (in or before) ± 15 days 2022 Jun 3 (continuing) 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2022 Jun 3 (continuing) 0
Stromboli Italy 1934 Feb 2 2022 Jun 2 (continuing) 2
Dukono Indonesia 1933 Aug 13 2022 Jun 3 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2022 Jun 3 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2022 Jun 3 (continuing) 3

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.11.0 (08 Jun 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 11 Aug 2022. https://doi.org/10.5479/si.GVP.VOTW4-2013.