What was erupting in the year...?
There were 52 confirmed eruptions at some point during 1975 from 49 different volcanoes; 23 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 (16 August 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 |
|---|---|---|---|---|
| Krafla | Iceland | 1975 Dec 20 | 1975 Dec 20 | 0 |
| Colima | Mexico | 1975 Dec 11 (?) | 1976 Jun 20 | 2 |
| Kilauea | United States | 1975 Nov 29 | 1975 Nov 29 | 0 |
| Lokon-Empung | Indonesia | 1975 Nov 16 (in or before) ± 15 days | 1980 Jul 2 ± 182 days | 2 |
| Piton de la Fournaise | France | 1975 Nov 4 | 1976 Apr 6 | 1 |
| Ruapehu | New Zealand | 1975 Oct 17 (in or before) | 1975 Oct 17 (in or before) | 1 |
| Asosan | Japan | 1975 Oct 16 ± 15 days | 1976 Jan 13 | 1 |
| Izu-Torishima | Japan | 1975 Oct 2 | Unknown | 2 |
| Pavlof | United States | 1975 Sep 13 | 1977 Mar 16 (in or after) ± 15 days | 2 |
| Shishaldin | United States | 1975 Sep 13 | 1975 Oct 26 ± 5 days | 2 |
| Minami-Hiyoshi | Japan | 1975 Aug 25 | Unknown | 0 |
| Kavachi | Solomon Islands | 1975 Aug 16 ± 15 days | Unknown | 1 |
| Mauna Loa | United States | 1975 Jul 5 | 1975 Jul 6 | 0 |
| Southern Thule | United Kingdom | 1975 Jul 2 ± 11 years ± 182 days | Unknown | 1 |
| Tolbachik | Russia | 1975 Jun 28 | 1976 Dec 10 | 4 |
| Fuego | Guatemala | 1975 May 28 | 1975 Oct 21 | 1 |
| Telica | Nicaragua | 1975 May 16 ± 15 days | 1976 Mar 16 ± 15 days | 0 |
| Ruapehu | New Zealand | 1975 Apr 24 | 1975 Apr 27 | 2 |
| Krakatau | Indonesia | 1975 Mar 27 | 1975 Oct 26 ± 5 days | 2 |
| Raung | Indonesia | 1975 Mar 16 ± 15 days | 1975 May 16 ± 15 days | 1 |
| Lopevi | Vanuatu | 1975 Mar 6 ± 3 days | 1975 Jun 23 | 2 |
| Tongariro | New Zealand | 1975 Feb 12 | 1975 Feb 23 | 3 |
| Marapi | Indonesia | 1975 Jan 16 ± 15 days | 1979 Sep 11 | 2 |
| Karkar | Papua New Guinea | 1974 Dec 30 (?) | 1975 Jun 26 | 2 |
| Fukutoku-Oka-no-Ba | Japan | 1974 Dec 24 | 1975 Nov 13 (?) | 2 |
| Poas | Costa Rica | 1974 Sep 11 | 1975 Feb 16 ± 15 days | 2 |
| Pavlof | United States | 1974 Sep 1 (in or before) | 1975 Jan 13 | 3 |
| Galeras | Colombia | 1974 Jul 2 ± 182 days | 1983 Jul 2 (?) ± 182 days | 1 |
| 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 |
| Ambrym | Vanuatu | 1973 Apr 15 ± 5 days | 1976 Oct 14 | 3 |
| Langila | Papua New Guinea | 1973 Feb 24 ± 4 days | 2000 Oct 16 (in or after) ± 15 days | 3 |
| Asosan | Japan | 1973 Jan 16 ± 15 days | 1975 Jun 16 ± 15 days | 2 |
| Erebus | Antarctica | 1972 Dec 16 (in or before) ± 15 days | 2024 Aug 16 (continuing) | 2 |
| Merapi | Indonesia | 1972 Oct 6 | 1985 Mar 16 ± 15 days | 2 |
| Bagana | Papua New Guinea | 1972 Jul 2 ± 182 days | 1995 Jul 2 (in or after) ± 182 days | 2 |
| Karangetang | Indonesia | 1972 Jan 16 ± 15 days | 1976 Apr 5 | 3 |
| Etna | Italy | 1971 Sep 19 | 1979 Mar 16 (?) ± 15 days | 2 |
| Karymsky | Russia | 1970 May 11 | 1982 Oct 11 | 3 |
| 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 Aug 16 (continuing) | 0 |
| Masaya | Nicaragua | 1965 Oct 10 (?) | 1985 Apr 16 (?) ± 15 days | 1 |
| Pacaya | Guatemala | 1965 Jul 4 | 1989 Mar 10 | 3 |
| Suwanosejima | Japan | 1956 Nov 16 ± 15 days | 1984 May 16 ± 15 days | 2 |
| Aira | Japan | 1955 Oct 13 | 2016 Aug 22 | 3 |
| Sangay | Ecuador | 1934 Aug 8 | 2011 Mar 2 | 3 |
| Stromboli | Italy | 1934 Feb 2 | 2024 Aug 16 (continuing) | 2 |
| Dukono | Indonesia | 1933 Aug 13 | 2024 Aug 16 (continuing) | 3 |
| Nyiragongo | DR Congo | 1927 Mar 16 ± 15 days | 1977 Jan 10 | 1 |
| Santa Maria | Guatemala | 1922 Jun 22 | 2024 Aug 16 (continuing) | 3 |
| Yasur | Vanuatu | 1270 ± 110 years | 2024 Aug 16 (continuing) | 3 |
List of Questions
Global Volcanism Program, 2024. [Database] Volcanoes of the World (v. 5.2.3; 20 Sep 2024). Distributed by Smithsonian Institution, compiled by Venzke, E. https://doi.org/10.5479/si.GVP.VOTW5-2024.5.2
