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
