What was erupting in the year...?

There were 71 confirmed eruptions at some point during 2025 from 63 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 (31 March 2026). Information about more recent eruptions can be found in the Smithsonian / USGS Weekly Volcanic Activity Report.

Volcano Country Eruption Start Date Eruption Stop Date Eruption Type Max VEI
Kikai Japan 2025 Dec 29 2025 Dec 29 Explosive / Effusive 1
Home Reef Tonga 2025 Dec 17 2026 Mar 20 (continuing) Explosive / Effusive 0
Ambae Vanuatu 2025 Nov 24 2026 Mar 24 (continuing) Explosive / Effusive 2
Hayli Gubbi Ethiopia 2025 Nov 23 2025 Nov 23 Explosive / Effusive 4
Purace Colombia 2025 Nov 23 2026 Mar 16 (continuing) Explosive / Effusive 2
Planchon-Peteroa Chile 2025 Oct 25 2025 Dec 4 Explosive / Effusive 2
Ahyi United States 2025 Oct 20 2026 Jan 9 Submarine 0
Akan Japan 2025 Sep 15 2025 Sep 16 Explosive / Effusive 1
Sabancaya Peru 2025 Sep 13 2026 Mar 25 (continuing) Explosive / Effusive 3
Ioto Japan 2025 Sep 1 2025 Sep 2 Submarine 1
Whakaari/White Island New Zealand 2025 Aug 28 2025 Aug 28 Explosive / Effusive 1
Dempo Indonesia 2025 Aug 7 2025 Aug 29 Explosive / Effusive 2
Krasheninnikov Russia 2025 Aug 2 2026 Mar 25 (continuing) Explosive / Effusive 3
Barren Island India 2025 Jul 30 2026 Jan 11 Explosive / Effusive 2
Reykjanes Iceland 2025 Jul 16 2025 Aug 5 Explosive / Effusive 0
Telica Nicaragua 2025 Jul 14 2025 Aug 18 Explosive / Effusive 1
Kirishimayama Japan 2025 Jun 22 2025 Sep 7 Explosive / Effusive 3
Karymsky Russia 2025 Apr 29 2025 Aug 27 Explosive / Effusive 2
Northern EPR at 9.8°N Undersea Features 2025 Apr 28 2025 Apr 29 Submarine 0
Bulusan Philippines 2025 Apr 28 2025 Apr 29 Phreatic 2
Klyuchevskoy Russia 2025 Apr 8 2025 Aug 16 Explosive / Effusive 3
Reykjanes Iceland 2025 Apr 1 2025 Apr 1 Explosive / Effusive 0
Ulawun Papua New Guinea 2025 Mar 27 2025 Apr 7 Explosive / Effusive 2
Raung Indonesia 2025 Mar 13 2025 Jul 11 Explosive / Effusive 2
Atka Volcanic Complex United States 2025 Feb 20 2025 Apr 25 Explosive / Effusive 1
Purace Colombia 2025 Jan 19 2025 Jan 19 Explosive / Effusive 2
Lewotolok Indonesia 2025 Jan 16 2026 Mar 25 (continuing) Explosive / Effusive 2
Telica Nicaragua 2025 Jan 11 2025 Feb 25 Explosive / Effusive 1
Poas Costa Rica 2025 Jan 5 2026 Mar 16 (continuing) Explosive / Effusive 2
Bezymianny Russia 2024 Dec 24 2025 Dec 4 Explosive / Effusive 3
Kilauea United States 2024 Dec 23 2026 Mar 25 (continuing) Explosive / Effusive 1
Dieng Volcanic Complex Indonesia 2024 Dec 18 2025 Jan 6 Phreatic 1
Home Reef Tonga 2024 Dec 4 2025 Jun 29 ± 1 days Explosive / Effusive 2
Dempo Indonesia 2024 Nov 23 2025 Feb 2 Explosive / Effusive 1
Kanlaon Philippines 2024 Oct 19 2026 Mar 25 (continuing) Explosive / Effusive 3
Ahyi United States 2024 Aug 5 2025 May 28 Submarine 0
Whakaari/White Island New Zealand 2024 May 24 2025 May 13 Explosive / Effusive 1
Taal Philippines 2024 Apr 12 2026 Mar 16 (continuing) Explosive / Effusive 2
Lewotobi Indonesia 2023 Dec 23 2025 Oct 18 Explosive / Effusive 4
Marapi Indonesia 2023 Dec 3 2026 Mar 24 (continuing) Explosive / Effusive 2
Etna Italy 2022 Nov 27 2026 Jan 12 Explosive / Effusive 2
Great Sitkin United States 2021 May 25 2026 Mar 25 (continuing) Explosive / Effusive 2
Merapi Indonesia 2020 Dec 31 2026 Mar 25 (continuing) Explosive / Effusive 1
Sangay Ecuador 2019 Mar 26 2026 Mar 25 (continuing) Explosive / Effusive 2
Semeru Indonesia 2019 Feb 24 2026 Mar 25 (continuing) Explosive / Effusive 4
Manam Papua New Guinea 2018 Jun 10 2026 Mar 16 (continuing) Explosive / Effusive 4
Nyamulagira DR Congo 2018 Apr 14 2026 Mar 16 (continuing) Explosive / Effusive 0
Ol Doinyo Lengai Tanzania 2017 Apr 9 2026 Mar 31 (continuing) Explosive / Effusive 0
Aira Japan 2017 Mar 25 2026 Mar 23 (continuing) Explosive / Effusive 2
Sabancaya Peru 2016 Nov 6 2025 Apr 6 Explosive / Effusive 3
Langila Papua New Guinea 2015 Oct 22 (?) 2026 Mar 16 (continuing) Explosive / Effusive 2
Masaya Nicaragua 2015 Oct 3 2026 Mar 31 (continuing) Lava Lake 1
Tofua Tonga 2015 Oct 2 2026 Mar 17 (continuing) Lava Lake 0
Villarrica Chile 2014 Dec 2 ± 7 days 2025 Apr 19 Lava Lake 3
Nevado del Ruiz Colombia 2014 Nov 18 2026 Mar 16 (continuing) Explosive / Effusive 2
Saunders United Kingdom 2014 Nov 12 2026 Feb 23 (continuing) Lava Lake 1
Heard Australia 2012 Sep 5 ± 4 days 2026 Mar 16 (continuing) Lava Lake 0
Reventador Ecuador 2008 Jul 27 2026 Mar 25 (continuing) Explosive / Effusive 2
Ibu Indonesia 2008 Apr 5 2026 Mar 25 (continuing) Explosive / Effusive 2
Popocatepetl Mexico 2005 Jan 9 2026 Mar 18 (continuing) Explosive / Effusive 2
Suwanosejima Japan 2004 Oct 23 2026 Mar 16 (continuing) Explosive / Effusive 2
Nyiragongo DR Congo 2002 May 17 (?) 2026 Mar 17 (continuing) Lava Lake 2
Fuego Guatemala 2002 Jan 4 2026 Mar 18 (continuing) Explosive / Effusive 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2026 Mar 17 (continuing) Explosive / Effusive 2
Sheveluch Russia 1999 Aug 15 2026 Mar 25 (continuing) Explosive / Effusive 4
Erebus Antarctica 1972 Dec 16 (on or before) ± 15 days 2026 Mar 17 (continuing) Lava Lake 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2025 Aug 7 Explosive / Effusive 0
Stromboli Italy 1934 Feb 2 2026 Mar 31 (continuing) Explosive / Effusive 2
Dukono Indonesia 1933 Aug 13 2026 Mar 16 (continuing) Explosive / Effusive 3
Santa Maria Guatemala 1922 Jun 22 2026 Mar 18 (continuing) Explosive / Effusive 3
Yasur Vanuatu 1270 ± 110 years 2026 Mar 16 (continuing) Explosive / Effusive 3

List of Questions

Volcano Icon What volcanoes and volcanic regions form the "Pacific Ring of Fire"?  

Volcano Icon What volcanoes have had the longest eruptions?  

Volcano Icon Which countries have the most volcanoes?  

Volcano Icon What volcanoes have the most people living nearby?  

How many active volcanoes are there?  

Has volcanic activity been increasing?  

What was erupting in the year...?  

What is a volcano?  

What is the world's highest volcano?  

How do scientists forecast eruptions?  

What volcanoes are the most noteworthy?  

What Holocene volcanoes are in areas with a UNESCO classification?  

Citation

Global Volcanism Program, 2026. [Database] Volcanoes of the World (v. 5.4.0; 7 Aug 2026). Distributed by Smithsonian Institution, compiled by Venzke, E. https://doi.org/10.5479/si.GVP.VOTW5-2026.5.4