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What was erupting in the year...?

There were 76 confirmed eruptions at some point during 1986 from 67 different volcanoes; 41 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 (17 March 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
Rincon de la Vieja Costa Rica 1986 Dec 31 1986 Dec 31 1
Sabancaya Peru 1986 Dec 16 ± 15 days Unknown 1
Bezymianny Russia 1986 Dec 5 ± 4 days 1988 Jul 26 ± 5 days 3
Klyuchevskoy Russia 1986 Nov 27 1990 Sep 16 ± 15 days 4
Okmok United States 1986 Nov 18 1988 Feb 26 2
Chikurachki Russia 1986 Nov 18 1986 Dec 7 4
Izu-Oshima Japan 1986 Nov 15 1986 Dec 18 3
Ambrym Vanuatu 1986 Nov 13 1986 Nov 19 (?) 2
Etna Italy 1986 Oct 30 1987 Mar 1 2
Chirinkotan Russia 1986 Oct 11 1986 Oct 12 1
Merapi Indonesia 1986 Oct 10 1990 Aug 16 (?) ± 15 days 2
Lascar Chile 1986 Sep 14 1986 Sep 16 3
Sarychev Peak Russia 1986 Sep 1 (?) ± 15 days Unknown 1
Cleft Segment Undersea Features 1986 Aug 16 (?) ± 15 days Unknown 0
Dieng Volcanic Complex Indonesia 1986 Aug 6 1986 Aug 6 1
Nyamulagira DR Congo 1986 Jul 16 1986 Aug 20 2
Sorikmarapi Indonesia 1986 Jul 5 1986 Jul 14 1
Kavachi Solomon Islands 1986 Jul 5 1986 Jul 23 1
Peuet Sague Indonesia 1986 Jul 2 ± 182 days Unknown 2
CoAxial Segment Undersea Features 1986 Jul 2 ± 5 years ± 182 days Unknown 0
Monowai New Zealand 1986 Jun 16 ± 15 days 1986 Jun 16 ± 15 days 0
Rumble III New Zealand 1986 Jun 15 1986 Aug 5 (?) 0
Klyuchevskoy Russia 1986 Jun 8 1986 Jul 11 2
Kanlaon Philippines 1986 Jun 3 1986 Aug 18 2
Iliboleng Indonesia 1986 May 28 1986 Nov 24 1
Alaid Russia 1986 May 25 1986 May 28 ± 3 days 2
Macdonald Undersea Features 1986 May 16 1986 Aug 2 0
Cleveland United States 1986 Apr 28 1986 May 27 (in or after) 2
Pavlof United States 1986 Apr 16 1988 Aug 13 3
Sheveluch Russia 1986 Mar 28 1988 Feb 28 3
Augustine United States 1986 Mar 27 1986 Aug 31 4
Bezymianny Russia 1986 Mar 26 ± 5 days 1986 Jun 29 2
Lokon-Empung Indonesia 1986 Mar 22 1987 May 13 2
Shishaldin United States 1986 Mar 19 1987 Feb 15 (?) 2
Akutan United States 1986 Mar 18 1986 Jun 30 2
Etna Italy 1986 Mar 16 ± 15 days 1986 Oct 31 (?) 2
Tacana Mexico-Guatemala 1986 Feb 16 ± 15 days 1986 Jun 16 ± 15 days 1
Ruapehu New Zealand 1986 Feb 8 1986 Feb 9 (?) 1
Whakaari/White Island New Zealand 1986 Feb 1 (?) 1994 Jul 28 3
Tupungatito Chile-Argentina 1986 Jan 20 1986 Jan 20 1
Fukutoku-Oka-no-Ba Japan 1986 Jan 18 1986 Mar 28 (?) 2
Kavachi Solomon Islands 1985 Dec 9 1986 Feb 28 ± 3 days 1
Concepcion Nicaragua 1985 Dec 2 ± 1 days 1986 Apr 20 (?) 1
San Miguel El Salvador 1985 Nov 16 ± 15 days 1986 Feb 16 (in or after) ± 15 days 1
Rincon de la Vieja Costa Rica 1985 Sep 16 ± 15 days 1986 Apr 16 ± 15 days 1
Suwanosejima Japan 1985 Sep 16 ± 15 days 1987 Jun 16 ± 15 days 2
Nevado del Ruiz Colombia 1985 Sep 11 1991 Jul 13 3
Raung Indonesia 1985 Aug 23 1986 Feb 28 2
Klyuchevskoy Russia 1985 Aug 16 1986 Jan 21 3
Sangeang Api Indonesia 1985 Jul 30 1988 Feb 16 ± 15 days 3
Colima Mexico 1985 Jul 2 ± 182 days 1986 Jan 5 ± 4 days 1
Piton de la Fournaise France 1985 Jun 14 1988 Dec 29 1
Heard Australia 1985 Jan 14 1987 Jan 16 (?) ± 15 days 2
Gorely Russia 1984 Aug 4 1986 Sep 21 (?) 2
Etna Italy 1984 Jul 20 1986 Sep 24 3
Ambrym Vanuatu 1984 Jul 2 ± 182 days 1986 Mar 8 (in or after) 2
Karangetang Indonesia 1983 May 16 ± 15 days 1988 Dec 31 (in or after) 3
Kilauea United States 1983 Jan 3 2018 Sep 5 3
Ol Doinyo Lengai Tanzania 1983 Jan 1 1993 Sep 24 2
St. Helens United States 1980 Mar 27 1986 Oct 28 ± 3 days 5
Etna Italy 1979 Jul 3 1992 Dec 16 ± 15 days 2
Manam Papua New Guinea 1974 Mar 4 (?) 1999 Nov 9 (?) 3
Nevados de Chillan Chile 1973 Jul 16 ± 15 days 1986 Jul 2 ± 182 days 2
Langila Papua New Guinea 1973 Feb 24 ± 4 days 2000 Oct 16 (in or after) ± 15 days 3
Erebus Antarctica 1972 Dec 16 (in or before) ± 15 days 2022 Mar 17 (continuing) 2
Bagana Papua New Guinea 1972 Jul 2 ± 182 days 1995 Jul 2 (in or after) ± 182 days 2
Arenal Costa Rica 1968 Jul 29 2010 Dec 16 (?) ± 15 days 3
Semeru Indonesia 1967 Aug 31 2009 Mar 15 3
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2022 Mar 17 (continuing) 0
Pacaya Guatemala 1965 Jul 4 1989 Mar 10 3
Aira Japan 1955 Oct 13 2016 Aug 22 3
Sangay Ecuador 1934 Aug 8 2011 Mar 2 3
Stromboli Italy 1934 Feb 2 2022 Mar 17 (continuing) 2
Dukono Indonesia 1933 Aug 13 2022 Mar 17 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2022 Mar 17 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2022 Mar 17 (continuing) 3

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.10.6 (24 Mar 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 25 May 2022. https://doi.org/10.5479/si.GVP.VOTW4-2013.