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 (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 |
|---|---|---|---|---|
| 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 Aug 16 (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 Aug 16 (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 Aug 16 (continuing) | 2 |
| Dukono | Indonesia | 1933 Aug 13 | 2024 Aug 16 (continuing) | 3 |
| 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. 5.2.2; 22 Aug 2024). Distributed by Smithsonian Institution, compiled by Venzke, E. https://doi.org/10.5479/si.GVP.VOTW5-2024.5.2
