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 |
|---|---|---|---|
| 25 September 1888 | — | 2 | Polyvotis Micros · Observations: Reported |
| 16 June 1873 | 26 September 1873 | 2 | Plegathon and Polyvotis · Observations: Reported |
| 2 July 1871 | — | 2 | Plegathon and Polyvotis · Observations: Reported |
| 1422 | — | 2 | Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#212050)