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 |
|---|---|---|---|
| 3 November 1993 | 25 November 1993 | 1 | E-W fissure NNE of Motmot Island · Observations: Reported |
| 2 January 1976 | — | 1 | Motmot · Observations: Reported |
| 16 April 1973 | 28 February 1974 | 2 | Motmot · Observations: Reported |
| 16 March 1968 | 12 June 1968 | 2 | Motmot · Observations: Reported |
| 5 June 1955 | 13 June 1955 | 3 | Motmot · Observations: Reported |
| 8 May 1953 | 7 January 1954 | 3 | Motmot · Observations: Reported |
| 2 July 1943 | — | ? | Motmot · Observations: Reported |
| 2 July 1938 | — | ? | Lake Wisdom · Observations: Reported |
| 2 July 1933 | — | ? | Lake Wisdom · Observations: Reported |
| 1660 ± 20 years | — | 6 | Isotopic: 14C (uncalibrated) |
| 2,040 BCE ± 110 years | — | 6 | Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#251050)