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What was erupting in the year...?

There were 79 confirmed eruptions at some point during 2018 from 74 different volcanoes; 37 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 (4 June 2020). 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
Tinakula Solomon Islands 2018 Dec 8 (in or before) 2020 Jun 4 (continuing) 2
Karangetang Indonesia 2018 Nov 25 2020 Jun 4 (continuing) 2
Planchon-Peteroa Chile 2018 Nov 7 2019 May 7 ± 1 days 1
Kuchinoerabujima Japan 2018 Oct 21 2019 Feb 3 3
Gamalama Indonesia 2018 Oct 4 2018 Oct 6 1
Soputan Indonesia 2018 Oct 2 2018 Dec 16 3
Barren Island India 2018 Sep 25 2020 May 22 (continuing) 1
Ulawun Papua New Guinea 2018 Sep 21 2018 Oct 12 2
Sarychev Peak Russia 2018 Sep 8 2018 Oct 15 2
Semisopochnoi United States 2018 Sep 8 2018 Oct 31 1
Veniaminof United States 2018 Sep 4 2018 Dec 23 1
Alaid Russia 2018 Aug 20 2018 Aug 21 1
Sangay Ecuador 2018 Aug 8 2018 Dec 7 2
Rincon de la Vieja Costa Rica 2018 Jul 28 2019 Jun 11 1
Nishinoshima Japan 2018 Jul 12 2018 Jul 21 1
Mayotte France 2018 Jul 3 2019 Aug 20 (?) 0
Sierra Negra Ecuador 2018 Jun 26 2018 Aug 23 2
Telica Nicaragua 2018 Jun 21 2018 Aug 15 1
Krakatau Indonesia 2018 Jun 18 2020 Jun 4 (continuing) 3
Fernandina Ecuador 2018 Jun 16 2018 Jun 21 1
Great Sitkin United States 2018 Jun 10 2018 Aug 11 1
Ulawun Papua New Guinea 2018 Jun 8 2018 Jun 8 1
Merapi Indonesia 2018 May 11 2020 Jun 4 (continuing) 3
Karymsky Russia 2018 Apr 28 2018 Sep 30 3
Marapi Indonesia 2018 Apr 27 2018 May 2 2
San Cristobal Nicaragua 2018 Apr 22 2018 Apr 22 1
Kerinci Indonesia 2018 Apr 21 2020 Apr 14 1
Nyamuragira DR Congo 2018 Apr 18 2020 Jun 1 (continuing) 0
Piton de la Fournaise France 2018 Apr 3 2018 Nov 1 0
Dieng Volcanic Complex Indonesia 2018 Apr 1 2018 Apr 1 1
Kirishimayama Japan 2018 Mar 1 2018 Jun 27 3
Sangay Ecuador 2018 Feb 25 2018 Feb 25 1
Karangetang Indonesia 2018 Feb 2 2018 Feb 2 1
Kusatsu-Shiranesan Japan 2018 Jan 23 2018 Jan 23 1
San Miguel El Salvador 2018 Jan 14 2018 May 30 1
Mayon Philippines 2018 Jan 13 2019 Oct 12 2
Kadovar Papua New Guinea 2018 Jan 5 2020 Jun 3 (continuing) 2
Nevado del Ruiz Colombia 2017 Dec 18 2020 Jun 4 (continuing) 2
Agung Indonesia 2017 Nov 21 2019 Jun 13 3
Ambae Vanuatu 2017 Sep 6 (?) 2018 Oct 30 3
Sangeang Api Indonesia 2017 Jul 15 2020 Jun 4 (continuing) 2
Karymsky Russia 2017 Jun 4 2018 Jan 27 3
Copahue Chile-Argentina 2017 Jun 4 2018 Dec 7 1
Rincon de la Vieja Costa Rica 2017 May 23 2018 Mar 15 ± 3 days 2
Ol Doinyo Lengai Tanzania 2017 Apr 9 2020 Jun 2 (continuing) 0
Aira Japan 2017 Mar 25 2020 Jun 4 (continuing) 1
Sabancaya Peru 2016 Nov 6 2020 Jun 4 (continuing) 3
Ebeko Russia 2016 Oct 20 2020 Jun 4 (continuing) 2
Cleveland United States 2016 Apr 16 2019 Jan 16 2
Langila Papua New Guinea 2016 Apr 2 2018 Oct 30 2
Nevados de Chillan Chile 2016 Jan 8 2020 Jun 4 (continuing) 2
Masaya Nicaragua 2015 Oct 3 2020 May 18 (continuing) 1
Klyuchevskoy Russia 2015 Aug 28 2018 Jun 15 3
Pacaya Guatemala 2015 Jun 7 ± 1 days 2020 Jun 4 (continuing) 1
Turrialba Costa Rica 2015 Mar 8 2019 Oct 28 2
Villarrica Chile 2014 Dec 2 ± 7 days 2020 Jun 4 (continuing) 1
Saunders United Kingdom 2014 Nov 12 2020 Jun 1 (continuing) 1
Manam Papua New Guinea 2014 Jun 29 2020 May 14 (continuing) 2
Semeru Indonesia 2014 Apr 1 ± 15 days 2020 Jun 4 (continuing) 3
Sinabung Indonesia 2013 Sep 15 2018 Aug 30 4
Etna Italy 2013 Sep 3 2020 Jun 4 (continuing) 2
Heard Australia 2012 Sep 5 ± 4 days 2020 May 3 (continuing) 0
Bezymianny Russia 2010 May 21 (?) 2020 Jun 3 (continuing) 3
Reventador Ecuador 2008 Jul 27 2020 Jun 4 (continuing) 2
Ambrym Vanuatu 2008 May 23 2018 Dec 17 2
Ibu Indonesia 2008 Apr 5 2020 Jun 4 (continuing) 1
Popocatepetl Mexico 2005 Jan 9 2020 Jun 4 (continuing) 2
Suwanosejima Japan 2004 Oct 23 2020 Jun 4 (continuing) 2
Nyiragongo DR Congo 2002 May 17 (?) 2020 Jun 4 (continuing) 2
Fuego Guatemala 2002 Jan 4 2020 Jun 4 (continuing) 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2020 Jun 2 (continuing) 2
Sheveluch Russia 1999 Aug 15 2020 Jun 4 (continuing) 4
Kilauea United States 1983 Jan 3 2018 Sep 5 3
Erebus Antarctica 1972 Dec 16 (in or before) ± 15 days 2020 Jun 4 (continuing) 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2020 Mar 4 0
Stromboli Italy 1934 Feb 2 2020 Jun 4 (continuing) 2
Dukono Indonesia 1933 Aug 13 2020 Jun 4 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2020 Jun 4 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2020 Jun 4 (continuing) 3

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.9.0 (04 Jun 2020). Venzke, E (ed.). Smithsonian Institution. Downloaded 10 Aug 2020. https://doi.org/10.5479/si.GVP.VOTW4-2013.