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What was erupting in the year...?

There were 57 confirmed eruptions at some point during 1989 from 55 different volcanoes; 25 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 (12 August 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
Redoubt United States 1989 Dec 14 1990 Jun 20 (?) 3
St. Helens United States 1989 Dec 7 1990 Jan 6 2
Kanlaon Philippines 1989 Oct 25 1989 Dec 13 (in or after) 2
Supply Reef United States 1989 Sep 21 1989 Dec 27 0
Gareloi United States 1989 Aug 17 Unknown 1
Tinakula Solomon Islands 1989 Aug 16 (in or before) ± 15 days 1990 Feb 16 (in or after) ± 15 days 1
Bezymianny Russia 1989 Aug 1 1989 Aug 4 2
Karangetang Indonesia 1989 Jul 16 ± 15 days 1989 Jul 16 ± 15 days 1
Izu-Tobu Japan 1989 Jul 13 1989 Jul 13 1
Ruapehu New Zealand 1989 Jul 1 1989 Sep 20 (?) 1
Cameroon Cameroon 1989 May 29 1989 May 29 1
Etorofu-Yakeyama [Grozny Group] Japan - administered by Russia 1989 May 3 1989 Aug 5 ± 4 days 2
Nyamulagira DR Congo 1989 Apr 24 1989 Aug 15 ± 5 days 3
Ambrym Vanuatu 1989 Apr 24 1989 Dec 23 2
Soputan Indonesia 1989 Apr 22 1989 Apr 23 2
Niigata-Yakeyama Japan 1989 Apr 19 1989 Apr 26 1
Sheveluch Russia 1989 Apr 7 1989 Jun 26 2
Asosan Japan 1989 Apr 5 1991 Feb 9 2
Akutan United States 1989 Feb 27 1989 Mar 28 (in or before) 2
Masaya Nicaragua 1989 Feb 20 1989 Nov 16 ± 15 days 1
Galeras Colombia 1989 Feb 19 1989 May 9 2
Ebeko Russia 1989 Feb 2 1990 Apr 15 ± 5 days 2
Saunders United Kingdom 1989 Jan 30 1990 Mar 22 0
Sarychev Peak Russia 1989 Jan 13 1989 Jan 14 1
Ulawun Papua New Guinea 1989 Jan 1 1989 Dec 16 (?) ± 15 days 2
Lonquimay Chile 1988 Dec 25 1990 Jan 24 ± 1 days 3
Tokachidake Japan 1988 Dec 10 (?) 1989 May 16 ± 15 days 2
Ruapehu New Zealand 1988 Dec 8 1989 Mar 5 (?) 1
Asosan Japan 1988 May 26 ± 5 days 1989 Jan 16 ± 15 days 1
Suwanosejima Japan 1988 Jan 16 ± 15 days 1989 Dec 16 ± 15 days 2
Ranakah Indonesia 1987 Dec 28 1989 Apr 16 (in or after) ± 15 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
Macdonald Undersea Features 1987 Jun 4 1989 Jan 28 (in or after) 0
Raung Indonesia 1987 May 16 ± 15 days 1989 Jul 28 ± 3 days 1
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 2022 Aug 12 (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 Aug 12 (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 Aug 12 (continuing) 2
Dukono Indonesia 1933 Aug 13 2022 Aug 12 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2022 Aug 12 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2022 Aug 12 (continuing) 3

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.11.2 (02 Sep 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 26 Sep 2022. https://doi.org/10.5479/si.GVP.VOTW4-2013.