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What was erupting in the year...?

There were 58 confirmed eruptions at some point during 1964 from 54 different volcanoes; 29 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
Poas Costa Rica 1964 Dec 25 1965 Mar 16 ± 15 days 2
Bezymianny Russia 1964 Dec 25 1964 Dec 26 1
Piton de la Fournaise France 1964 Dec 21 1965 Feb 15 2
Dieng Volcanic Complex Indonesia 1964 Dec 13 1964 Dec 13 1
Langila Papua New Guinea 1964 Dec 4 ± 4 days 1966 Sep 23 ± 3 days 2
Raoul Island New Zealand 1964 Nov 19 1965 Apr 25 (?) 2
Sheveluch Russia 1964 Nov 12 1964 Nov 12 4
San Miguel El Salvador 1964 Oct 23 1964 Nov 16 ± 15 days 2
Asosan Japan 1964 Oct 16 ± 15 days 1966 Dec 16 ± 15 days 2
Tupungatito Chile-Argentina 1964 Aug 3 1964 Sep 19 (in or after) 2
Kerinci Indonesia 1964 Jul 8 1964 Jul 8 (?) 2
Southern EPR at 8°S Undersea Features 1964 Jul 2 (?) ± 182 days 1969 Jul 2 (?) ± 182 days 0
Llaima Chile 1964 Jul 2 ± 182 days Unknown 2
Bezymianny Russia 1964 Jun 25 1964 Sep 20 2
Akan Japan 1964 Jun 18 1964 Jul 4 (?) 1
Trident United States 1964 May 31 Unknown 3
Asosan Japan 1964 May 14 1964 May 14 1
Piton de la Fournaise France 1964 Apr 30 1964 May 8 2
Bagana Papua New Guinea 1964 Apr 24 1965 Jul 2 ± 182 days 2
Kiska United States 1964 Mar 18 Unknown 0
Nila Indonesia 1964 Mar 16 ± 15 days 1964 Mar 16 ± 15 days 1
Tolbachik Russia 1964 Mar 16 ± 15 days 1964 Apr 24 (in or after) 2
Westdahl United States 1964 Mar 10 1964 Apr 16 2
Villarrica Chile 1964 Mar 2 1964 Apr 21 2
Ambrym Vanuatu 1964 Feb 16 (?) ± 15 days 1966 Sep 16 (in or after) ± 15 days 2
Dempo Indonesia 1964 Feb 14 1964 Feb 14 2
Sirung Indonesia 1964 Feb 8 1964 Oct 5 (in or after) 1
Chikurachki Russia 1964 Feb 1 1964 Feb 16 ± 15 days 2
Sangeang Api Indonesia 1964 Jan 29 1965 Dec 1 ± 30 days 2
Paluweh Indonesia 1963 Dec 31 1966 Mar 16 2
Lokon-Empung Indonesia 1963 Dec 17 1964 Apr 16 ± 15 days 2
Kavachi Solomon Islands 1963 Dec 14 1964 Jan 31 (?) 2
Manam Papua New Guinea 1963 Nov 26 1964 Apr 16 ± 15 days 2
Klyuchevskoy Russia 1963 Nov 13 1964 Dec 16 (?) ± 15 days 1
Asosan Japan 1963 Nov 10 1964 Jan 16 ± 15 days 2
Vestmannaeyjar Iceland 1963 Nov 8 1967 Jun 5 3
Augustine United States 1963 Oct 11 1964 Aug 19 2
Batur Indonesia 1963 Sep 5 1964 May 10 2
Lopevi Vanuatu 1963 Jul 7 1965 Jul 2 ± 182 days 3
Colima Mexico 1963 Jul 2 ± 182 days 1970 Jul 2 ± 182 days 1
Irazu Costa Rica 1963 Mar 13 1965 Feb 13 3
Ebeko Russia 1963 Mar 8 1964 Jul 2 ± 182 days 1
Agung Indonesia 1963 Feb 18 1964 Jan 27 5
Rumble III New Zealand 1963 Jan 16 ± 15 days 1966 Dec 16 (in or after) ± 15 days 0
Izu-Oshima Japan 1962 Jan 16 ± 15 days 1965 May 16 ± 15 days 1
Karymsky Russia 1960 Apr 16 ± 15 days 1964 Dec 16 ± 15 days 3
Ol Doinyo Lengai Tanzania 1960 Mar 16 (in or before) ± 15 days 1966 Nov 28 ± 30 days 3
Lascar Chile 1959 Nov 16 ± 15 days 1968 Jan 31 (in or after) 2
Etna Italy 1959 Oct 17 1964 Dec 31 3
Suwanosejima Japan 1956 Nov 16 ± 15 days 1984 May 16 ± 15 days 2
Aira Japan 1955 Oct 13 2016 Aug 22 3
Semeru Indonesia 1950 Jul 23 1964 Dec 16 ± 15 days 2
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
Nyiragongo DR Congo 1927 Mar 16 ± 15 days 1977 Jan 10 1
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.