What was erupting in the year...?
There were 75 confirmed eruptions at some point during 2023 from 71 different volcanoes; 27 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 |
|---|---|---|---|---|
| Lewotobi | Indonesia | 2023 Dec 23 | 2025 May 2 (continuing) | 2 |
| Reykjanes | Iceland | 2023 Dec 18 | 2024 Dec 8 | 1 |
| Kanaga | United States | 2023 Dec 18 | 2023 Dec 18 | 1 |
| Tengger Caldera | Indonesia | 2023 Dec 13 | 2023 Dec 13 | 1 |
| Ambae | Vanuatu | 2023 Dec 11 | 2023 Dec 21 | 2 |
| Marapi | Indonesia | 2023 Dec 3 | 2025 May 2 (continuing) | 2 |
| Poas | Costa Rica | 2023 Dec 1 | 2024 May 5 | 1 |
| Purace | Colombia | 2023 Nov 16 | 2023 Nov 16 | 1 |
| Ioto | Japan | 2023 Oct 18 | 2024 Mar 16 | 1 |
| Home Reef | Tonga | 2023 Oct 12 | 2023 Oct 19 | 1 |
| Ruby | United States | 2023 Sep 14 | 2023 Sep 15 | 1 |
| Poas | Costa Rica | 2023 Aug 2 | 2023 Aug 11 | 1 |
| Dempo | Indonesia | 2023 Jul 25 | 2023 Aug 21 | 2 |
| Ulawun | Papua New Guinea | 2023 Jul 18 | 2023 Dec 31 | 3 |
| Shishaldin | United States | 2023 Jul 11 ± 1 days | 2023 Nov 3 | 3 |
| Fagradalsfjall | Iceland | 2023 Jul 10 | 2023 Aug 5 | 0 |
| San Cristobal | Nicaragua | 2023 Jul 5 | 2023 Jul 5 | 1 |
| Piton de la Fournaise | France | 2023 Jul 2 | 2023 Aug 10 | 0 |
| Ubinas | Peru | 2023 Jun 22 | 2023 Dec 15 | 3 |
| Klyuchevskoy | Russia | 2023 Jun 22 | 2023 Dec 31 | 3 |
| Mayon | Philippines | 2023 Apr 27 ± 2 days | 2024 Feb 4 | 2 |
| Ulawun | Papua New Guinea | 2023 Mar 28 | 2023 Mar 28 | 1 |
| Ambae | Vanuatu | 2023 Feb 20 | 2023 May 28 | 2 |
| Karangetang | Indonesia | 2023 Feb 8 | 2023 Sep 5 | 0 |
| East Epi | Vanuatu | 2023 Jan 31 | 2023 Feb 23 | 1 |
| Chikurachki | Russia | 2023 Jan 28 | 2023 Feb 8 | 2 |
| Marapi | Indonesia | 2023 Jan 7 | 2023 Mar 17 | 1 |
| Barren Island | India | 2022 Dec 30 | 2023 Aug 18 | 2 |
| Lascar | Chile | 2022 Dec 10 | 2023 Feb 3 ± 1 days | 3 |
| Etna | Italy | 2022 Nov 27 | 2025 May 2 (continuing) | 2 |
| Ahyi | United States | 2022 Nov 18 ± 1 days | 2023 Jun 11 | 1 |
| San Miguel | El Salvador | 2022 Nov 15 | 2023 May 27 | 2 |
| Cotopaxi | Ecuador | 2022 Oct 21 | 2023 Jul 6 | 2 |
| Kerinci | Indonesia | 2022 Oct 15 | 2023 Feb 27 | 2 |
| Nishinoshima | Japan | 2022 Oct 1 | 2023 Oct 13 | 2 |
| Kaitoku Seamount | Japan | 2022 Aug 18 | 2023 Jan 26 | 0 |
| Ebeko | Russia | 2022 Jun 11 | 2024 Dec 31 | 2 |
| Bezymianny | Russia | 2022 Mar 15 | 2024 Aug 14 ± 2 days | – |
| Kilauea | United States | 2021 Sep 29 | 2023 Sep 16 | 0 |
| Rincon de la Vieja | Costa Rica | 2021 Jun 28 | 2024 Oct 22 | 2 |
| Krakatau | Indonesia | 2021 May 25 | 2023 Dec 20 | 2 |
| Great Sitkin | United States | 2021 May 25 | 2025 May 2 (continuing) | 2 |
| Semisopochnoi | United States | 2021 Feb 2 ± 2 days | 2023 May 5 | 2 |
| Merapi | Indonesia | 2020 Dec 31 | 2025 May 2 (continuing) | 1 |
| Lewotolok | Indonesia | 2020 Nov 27 | 2024 Aug 20 | 2 |
| Sangay | Ecuador | 2019 Mar 26 | 2025 May 2 (continuing) | 2 |
| Tinakula | Solomon Islands | 2018 Dec 8 (on or before) | 2024 Dec 31 | 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 |
| Kadovar | Papua New Guinea | 2018 Jan 5 | 2023 May 14 | 2 |
| 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
