Eruption history
VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.
| Start | End | VEI | Vent and dating |
|---|---|---|---|
| 24 November 2025 | continuing | 2 | Observations: Reported |
| 29 June 2024 | 30 June 2024 | 2 | Observations: Reported |
| 11 December 2023 | 21 December 2023 | 2 | Observations: Reported |
| 20 February 2023 | 28 May 2023 | 2 | Observations: Reported |
| 5 December 2021 | 15 August 2022 | 1 | Observations: Reported |
| 6 September 2017 | 30 October 2018 | 3 | Pyroclastic cone in Lake Voui · Observations: Reported |
| 4 June 2011 | 10 July 2011 | 1 | Lake Manaro · Observations: Reported |
| 27 November 2005 | 16 February 2006 | 2 | Lake Voui · Observations: Reported |
| 2 March 1995 | 3 March 1995 | 2 | Lake Voui · Observations: Reported |
| c. 2 July 1870 | — | 2 | SE side Lake Manaro Lakua; Lake Voui? · Observations: Reported |
| c. 1670 | — | 2 | Lake Voui and upper west flank · Correlation: Anthropology |
| c. 1530 | — | ? | Lakes Voui and Manaro Ngoru · Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#257030)