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What was erupting in the year...?

There were 60 confirmed eruptions at some point during 1990 from 56 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 (2 March 2024). 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
Kerinci Indonesia 1990 Dec 31 ± 365 days Unknown 2
Lascar Chile 1990 Nov 24 1990 Nov 24 1
Unzendake Japan 1990 Nov 17 1995 Feb 16 ± 15 days 1
St. Helens United States 1990 Nov 5 1991 Feb 14 3
Izu-Oshima Japan 1990 Oct 4 1990 Oct 4 2
Ambrym Vanuatu 1990 Sep 16 (in or before) ± 15 days 1991 Jul 16 (in or after) ± 15 days 2
Akutan United States 1990 Sep 6 1990 Oct 1 2
Asamayama Japan 1990 Jul 20 1990 Jul 20 2
Puyehue-Cordon Caulle Chile 1990 Jul 2 ± 182 days Unknown 1
Southern EPR at 17.5°S (Segment K) Undersea Features 1990 Jul 2 ± 2 years ± 182 days Unknown 0
Ruapehu New Zealand 1990 Jun 17 1990 Sep 8 (in or before) 0
Kiska United States 1990 Jun 1 1990 Jun 1 (?) 2
Monowai New Zealand 1990 May 30 1991 Mar 25 0
Sabancaya Peru 1990 May 28 1998 Sep 16 (?) ± 15 days 3
Gamalama Indonesia 1990 Apr 25 1990 Apr 26 3
Suwanosejima Japan 1990 Apr 16 ± 15 days 1996 Jul 14 2
Guagua Pichincha Ecuador 1990 Apr 16 1990 May 10 1
Kick 'em Jenny Grenada 1990 Mar 26 1990 Mar 28 0
Pavlof United States 1990 Mar 5 1990 Mar 5 2
Llaima Chile 1990 Feb 25 1990 Nov 25 1
Kelud Indonesia 1990 Feb 10 1990 Mar 13 ± 45 days 4
Bezymianny Russia 1990 Jan 29 1991 Nov 29 3
Lewotobi Indonesia 1990 Jan 28 1990 Jun 16 ± 15 days 1
Akutan United States 1990 Jan 26 ± 5 days 1990 Jan 26 ± 5 days 2
Piton de la Fournaise France 1990 Jan 18 1990 May 8 0
Raung Indonesia 1990 Jan 16 (in or before) 1990 Dec 16 (in or after) ± 15 days 2
Sheveluch Russia 1990 Jan 10 1995 Feb 16 ± 15 days 3
Ruapehu New Zealand 1990 Jan 7 1990 Jan 26 1
Galeras Colombia 1990 Jan 7 1992 Jul 16 2
Pacaya Guatemala 1990 Jan 4 (?) 2000 Mar 1 3
Redoubt United States 1989 Dec 14 1990 Jun 20 (?) 3
St. Helens United States 1989 Dec 7 1990 Jan 6 2
Tinakula Solomon Islands 1989 Aug 16 (in or before) ± 15 days 1990 Feb 16 (in or after) ± 15 days 1
Asosan Japan 1989 Apr 5 1991 Feb 9 2
Ebeko Russia 1989 Feb 2 1990 Apr 15 ± 5 days 2
Saunders United Kingdom 1989 Jan 30 1990 Mar 22 0
Lonquimay Chile 1988 Dec 25 1990 Jan 24 ± 1 days 3
Lascar Chile 1987 Nov 16 (in or before) ± 15 days 1990 Apr 6 3
Poas Costa Rica 1987 Jun 16 ± 15 days 1990 Jun 16 ± 15 days 2
Marapi Indonesia 1987 Jan 15 1994 Aug 12 (in or after) 2
Klyuchevskoy Russia 1986 Nov 27 1990 Sep 16 ± 15 days 4
Merapi Indonesia 1986 Oct 10 1990 Aug 16 (?) ± 15 days 2
Whakaari/White Island New Zealand 1986 Feb 1 (?) 1994 Jul 28 3
Nevado del Ruiz Colombia 1985 Sep 11 1991 Jul 13 3
Kilauea United States 1983 Jan 3 2018 Sep 5 3
Ol Doinyo Lengai Tanzania 1983 Jan 1 1993 Sep 24 2
Etna Italy 1979 Jul 3 1993 Mar 30 2
Manam Papua New Guinea 1974 Mar 4 (?) 1999 Nov 9 (?) 3
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 2024 Mar 1 (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 2024 Mar 1 (continuing) 0
Aira Japan 1955 Oct 13 2016 Aug 22 3
Sangay Ecuador 1934 Aug 8 2011 Mar 2 3
Stromboli Italy 1934 Feb 2 2024 Mar 1 (continuing) 2
Dukono Indonesia 1933 Aug 13 2024 Mar 1 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2024 Mar 1 (continuing) 3
Yasur Vanuatu 1270 ± 110 years 2024 Mar 1 (continuing) 3

List of Questions

Global Volcanism Program, 2024. [Database] Volcanoes of the World (v. 5.1.6; 2 Mar 2024). Distributed by Smithsonian Institution, compiled by Venzke, E. https://doi.org/10.5479/si.GVP.VOTW5-2023.5.1