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 |
|---|---|---|---|
| 9 August 1967 | — | 2 | Quizapu · Observations: Reported |
| 15 April 1949 | — | 2 | Quizapu · Observations: Reported |
| 2 July 1933 | 25 July 1938 | 2 | Quizapu · Observations: Reported |
| 2 July 1916 | 21 April 1932 | 5 | Quizapu · Observations: Reported |
| 8 September 1914 | — | 3 | Quizapu · Observations: Reported |
| 16 February 1912 | — | 2 | Quizapu · Observations: Reported |
| 28 July 1907 | — | 2 | Quizapu · Observations: Reported |
| 2 July 1906 | — | 2 | Quizapu · Observations: Reported |
| 26 November 1846 | 2 July 1853 | 2 | Quizapu · Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#357060)