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 |
|---|---|---|---|
| 23 November 2025 | continuing | 2 | Observations: Reported |
| 19 January 2025 | 19 January 2025 | 2 | Curiquinga Crater · Observations: Reported |
| 16 November 2023 | 16 November 2023 | 1 | Observations: Reported |
| 29 March 2022 | 29 March 2022 | 1 | Between Puracé and Curiquinga · Observations: Reported |
| 19 March 1977 | 28 March 1977 | 2 | Observations: Reported |
| 2 July 1957 | — | 2 | Observations: Reported |
| c. 2 July 1956 | — | 2 | Observations: Reported |
| 26 May 1949 | 11 June 1949 | 2 | Observations: Reported |
| 27 April 1947 | — | 2 | Observations: Reported |
| 16 March 1946 | 16 April 1946 | 2 | Observations: Reported |
| 2 July 1927 | — | 2 | Observations: Reported |
| 16 August 1926 | 16 September 1926 | 2 | Observations: Reported |
| 12 October 1925 | 5 November 1925 | 2 | Observations: Reported |
| 2 July 1924 | — | 2 | Observations: Reported |
| 2 July 1906 | — | 2 | Observations: Reported |
| c. 2 July 1902 | — | 2 | Observations: Reported |
| 2 July 1899 | — | 2 | Observations: Reported |
| 25 May 1885 | — | 3 | Observations: Reported |
| 2 July 1881 | — | 2 | Observations: Reported |
| 31 August 1878 | — | 2 | Observations: Reported |
| 16 October 1870 | — | 2 | Observations: Reported |
| 4 October 1869 | 16 November 1869 | 3 | Observations: Reported |
| 2 July 1860 ± 9 years | — | 2 | Observations: Reported |
| 27 October 1847 | 2 July 1852 | 3 | Observations: Reported |
| 2 July 1840 | — | 2 | Observations: Reported |
| 23 January 1835 | — | 2 | Observations: Reported |
| 18 November 1827 | — | 2 | Observations: Reported |
| 2 July 1816 | — | ? | Observations: Reported |
| 160 BCE ± 50 years | — | ? | Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#351060)