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What was erupting in the year...?

There were 70 confirmed eruptions at some point during 2021 from 69 different volcanoes; 22 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 (15 October 2021). 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
Kilauea United States 2021 Sep 29 2021 Oct 14 (continuing)
La Palma Spain 2021 Sep 19 2021 Oct 14 (continuing)
Nishinoshima Japan 2021 Aug 14 2021 Aug 14
Fukutoku-Oka-no-Ba Japan 2021 Aug 13 2021 Sep 12 (?)
Chirinkotan Russia 2021 Aug 8 2021 Aug 24
Pavlof United States 2021 Aug 5 2021 Oct 14 (continuing)
Pagan United States 2021 Jul 29 2021 Sep 6
Ulawun Papua New Guinea 2021 Jul 29 2021 Aug 3
Sirung Indonesia 2021 Jul 21 2021 Jul 21
Copahue Chile-Argentina 2021 Jul 2 2021 Oct 12 (continuing)
Taal Philippines 2021 Jul 1 2021 Jul 9
Rincon de la Vieja Costa Rica 2021 Jun 28 2021 Oct 14 (continuing)
Turrialba Costa Rica 2021 Jun 13 2021 Jul 23
Great Sitkin United States 2021 May 25 2021 Oct 14 (continuing)
Telica Nicaragua 2021 May 22 2021 Oct 14
Dieng Volcanic Complex Indonesia 2021 Apr 29 2021 Apr 29
Tengger Caldera Indonesia 2021 Apr 15 2021 Oct 14
Piton de la Fournaise France 2021 Apr 9 2021 May 24
Krysuvik-Trolladyngja Iceland 2021 Mar 19 2021 Sep 18
Veniaminof United States 2021 Feb 28 2021 Apr 5
Semisopochnoi United States 2021 Feb 2 ± 2 days 2021 Oct 14 (continuing)
Raung Indonesia 2021 Jan 21 2021 Apr 14
Merapi Indonesia 2020 Dec 31 2021 Oct 14 (continuing) 1
Soufriere St. Vincent Saint Vincent and the Grenadines 2020 Dec 27 2021 Apr 22 4
San Cristobal Nicaragua 2020 Dec 27 (?) 2021 Oct 3 (continuing) 3
Kilauea United States 2020 Dec 20 2021 May 23 0
Lewotolok Indonesia 2020 Nov 27 2021 Oct 14 (continuing) 2
Kavachi Solomon Islands 2020 Sep 2 2021 Apr 10 0
Sinabung Indonesia 2020 Aug 8 2021 Oct 14 (continuing) 3
Karymsky Russia 2020 Apr 1 2021 Oct 14 (continuing) 3
Sarychev Peak Russia 2020 Feb 29 ± 1 days 2021 Sep 30 (continuing) 1
Klyuchevskoy Russia 2019 Apr 9 2021 Mar 20 2
Sangay Ecuador 2019 Mar 26 2021 Oct 14 (continuing) 2
Tinakula Solomon Islands 2018 Dec 8 (in or before) 2021 Oct 13 (continuing) 2
Karangetang Indonesia 2018 Nov 25 2021 Oct 15 (continuing) 2
Barren Island India 2018 Sep 25 2021 Aug 23 1
Kerinci Indonesia 2018 Apr 21 2021 Jun 13 1
Nyamulagira DR Congo 2018 Apr 18 2021 Oct 4 (continuing) 0
Kadovar Papua New Guinea 2018 Jan 5 2021 Oct 14 (continuing) 2
Ol Doinyo Lengai Tanzania 2017 Apr 9 2021 Oct 15 (continuing) 0
Aira Japan 2017 Mar 25 2021 Oct 14 (continuing) 1
Sabancaya Peru 2016 Nov 6 2021 Oct 14 (continuing) 3
Ebeko Russia 2016 Oct 20 2021 Oct 14 (continuing) 2
Nevados de Chillan Chile 2016 Jan 8 2021 Oct 14 (continuing) 2
Langila Papua New Guinea 2015 Oct 22 (?) 2021 Oct 14 (continuing) 2
Masaya Nicaragua 2015 Oct 3 2021 Sep 30 (continuing) 1
Tofua Tonga 2015 Oct 2 2021 Oct 15 (continuing) 0
Pacaya Guatemala 2015 Jun 7 ± 1 days 2021 Oct 14 (continuing) 1
Villarrica Chile 2014 Dec 2 ± 7 days 2021 Oct 12 (continuing) 1
Nevado del Ruiz Colombia 2014 Nov 18 2021 Oct 14 (continuing) 2
Saunders United Kingdom 2014 Nov 12 2021 Oct 7 (continuing) 1
Manam Papua New Guinea 2014 Jun 29 2021 Oct 15 (continuing) 2
Semeru Indonesia 2014 Apr 1 ± 15 days 2021 Oct 14 (continuing) 3
Etna Italy 2013 Sep 3 2021 Oct 14 (continuing) 2
Heard Australia 2012 Sep 5 ± 4 days 2021 Jan 20 0
Bezymianny Russia 2010 May 21 (?) 2021 Oct 15 (continuing) 3
Reventador Ecuador 2008 Jul 27 2021 Oct 14 (continuing) 2
Ibu Indonesia 2008 Apr 5 2021 Oct 14 (continuing) 1
Popocatepetl Mexico 2005 Jan 9 2021 Oct 14 (continuing) 2
Suwanosejima Japan 2004 Oct 23 2021 Oct 14 (continuing) 2
Nyiragongo DR Congo 2002 May 17 (?) 2021 Oct 9 (continuing) 2
Fuego Guatemala 2002 Jan 4 2021 Oct 14 (continuing) 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2021 Oct 15 (continuing) 2
Sheveluch Russia 1999 Aug 15 2021 Oct 14 (continuing) 4
Erebus Antarctica 1972 Dec 16 (in or before) ± 15 days 2021 Oct 15 (continuing) 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2021 Oct 15 (continuing) 0
Stromboli Italy 1934 Feb 2 2021 Oct 14 (continuing) 2
Dukono Indonesia 1933 Aug 13 2021 Oct 14 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2021 Oct 14 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2021 Oct 14 (continuing) 3

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.10.3 (15 Oct 2021). Venzke, E (ed.). Smithsonian Institution. Downloaded 28 Oct 2021. https://doi.org/10.5479/si.GVP.VOTW4-2013.