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 2014 | 8 February 2015 | 2 | WSW base of Pico · Observations: Reported |
| 2 April 1995 | 26 May 1995 | 2 | WSW flank of Pico · Observations: Reported |
| 12 June 1951 | 21 August 1951 | 2 | Northwest and south caldera floor · Observations: Reported |
| 2 July 1909 | — | ? | Observations: Reported |
| 27 June 1857 | 15 December 1857 | 2 | SSE caldera floor · Observations: Reported |
| 19 February 1852 | 30 March 1852 | 2 | NNW caldera floor · Observations: Reported |
| 9 April 1847 | 2 May 1847 | 2 | North caldera floor · Observations: Reported |
| 31 December 1816 | — | ? | Observations: Reported |
| 2 June 1799 | 28 June 1799 | 2 | North caldera floor · Observations: Reported |
| 24 January 1785 | 25 February 1785 | 2 | North caldera floor · Observations: Reported |
| April 1769 | — | ? | SW side · Observations: Reported |
| 1500 | 1761 | 1 | Pico · Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#384010)