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What was erupting in the year...?

There were 54 confirmed eruptions at some point during 2025 from 54 different volcanoes; 12 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 May 2025). 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
Karymsky Russia 2025 Apr 30 2025 May 2 (continuing)
Northern EPR at 9.8°N Undersea Features 2025 Apr 28 2025 Apr 29 0
Bulusan Philippines 2025 Apr 28 2025 May 2 (continuing)
Klyuchevskoy Russia 2025 Apr 8 2025 May 2 (continuing)
Reykjanes Iceland 2025 Apr 1 2025 Apr 1
Ulawun Papua New Guinea 2025 Mar 27 2025 Apr 21 (continuing)
Raung Indonesia 2025 Mar 13 2025 Mar 13
Atka Volcanic Complex United States 2025 Feb 20 2025 May 2 (continuing)
Purace Colombia 2025 Jan 19 2025 Feb 21
Lewotolok Indonesia 2025 Jan 16 2025 May 2 (continuing)
Telica Nicaragua 2025 Jan 11 2025 May 2 (continuing)
Poas Costa Rica 2025 Jan 5 2025 May 2 (continuing)
Bezymianny Russia 2024 Dec 24 2025 May 2 (continuing)
Kilauea United States 2024 Dec 23 2025 May 2 (continuing)
Dieng Volcanic Complex Indonesia 2024 Dec 18 2025 Jan 6
Home Reef Tonga 2024 Dec 4 2025 May 2 (continuing)
Dempo Indonesia 2024 Nov 23 2025 Feb 2
Kanlaon Philippines 2024 Oct 19 2025 May 2 (continuing)
Ahyi United States 2024 Aug 5 2025 May 2 (continuing)
Whakaari/White Island New Zealand 2024 May 24 2025 May 2 (continuing)
Taal Philippines 2024 Apr 12 2025 Feb 16
Lewotobi Indonesia 2023 Dec 23 2025 May 2 (continuing) 2
Marapi Indonesia 2023 Dec 3 2025 May 2 (continuing) 2
Etna Italy 2022 Nov 27 2025 May 2 (continuing) 2
Great Sitkin United States 2021 May 25 2025 May 2 (continuing) 2
Merapi Indonesia 2020 Dec 31 2025 May 2 (continuing) 1
Sangay Ecuador 2019 Mar 26 2025 May 2 (continuing) 2
Manam Papua New Guinea 2018 May 10 ± 10 days 2025 May 2 (continuing) 4
Nyamulagira DR Congo 2018 Apr 14 2025 May 2 (continuing) 0
Semeru Indonesia 2017 Jun 6 2025 May 2 (continuing) 4
Ol Doinyo Lengai Tanzania 2017 Apr 9 2025 Apr 29 (continuing) 0
Aira Japan 2017 Mar 25 2025 May 2 (continuing) 2
Sabancaya Peru 2016 Nov 6 2025 May 2 (continuing) 3
Langila Papua New Guinea 2015 Oct 22 (?) 2025 May 2 (continuing) 2
Masaya Nicaragua 2015 Oct 3 2025 May 2 (continuing) 1
Tofua Tonga 2015 Oct 2 2025 Apr 26 (continuing) 0
Villarrica Chile 2014 Dec 2 ± 7 days 2025 Apr 19 (continuing) 3
Nevado del Ruiz Colombia 2014 Nov 18 2025 May 2 (continuing) 2
Saunders United Kingdom 2014 Nov 12 2025 Apr 29 (continuing) 1
Heard Australia 2012 Sep 5 ± 4 days 2025 Apr 4 (continuing) 0
Reventador Ecuador 2008 Jul 27 2025 May 2 (continuing) 2
Ibu Indonesia 2008 Apr 5 2025 May 2 (continuing) 1
Popocatepetl Mexico 2005 Jan 9 2025 May 2 (continuing) 2
Suwanosejima Japan 2004 Oct 23 2025 May 2 (continuing) 2
Nyiragongo DR Congo 2002 May 17 (?) 2025 May 1 (continuing) 2
Fuego Guatemala 2002 Jan 4 2025 May 2 (continuing) 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2025 Apr 8 (continuing) 2
Sheveluch Russia 1999 Aug 15 2025 May 2 (continuing) 4
Erebus Antarctica 1972 Dec 16 (on or before) ± 15 days 2025 Mar 16 (continuing) 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2025 May 2 (continuing) 0
Stromboli Italy 1934 Feb 2 2025 May 2 (continuing) 2
Dukono Indonesia 1933 Aug 13 2025 May 2 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2025 May 2 (continuing) 3
Yasur Vanuatu 1270 ± 110 years 2025 May 2 (continuing) 3

List of Questions

Global Volcanism Program, 2024. [Database] Volcanoes of the World (v. 5.2.8; 6 May 2025). Distributed by Smithsonian Institution, compiled by Venzke, E. https://doi.org/10.5479/si.GVP.VOTW5-2024.5.2