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 |
|---|---|---|---|
| 29 July 2021 | 6 September 2021 | 2 | Observations: Reported |
| 10 July 2012 | 10 July 2012 | 2 | North Pagan · Observations: Reported |
| 23 April 2011 | 1 September 2011 | 2 | North Pagan · Observations: Reported |
| 3 May 2010 | 11 August 2010 | 1 | North Pagan · Observations: Reported |
| 4 December 2006 | 8 December 2006 | 1 | North Pagan · Observations: Reported |
| 2 July 1996 | — | 1 | North Pagan · Observations: Reported |
| 15 January 1993 | 16 November 1993 | 2 | North Pagan · Observations: Reported |
| 13 April 1992 | 13 April 1992 | 1 | North Pagan · Observations: Reported |
| 24 August 1988 | 12 October 1988 | 2 | North Pagan · Observations: Reported |
| 4 September 1987 | 4 September 1987 | 1 | North Pagan · Observations: Reported |
| 15 May 1981 | 1 May 1985 | 4 | North Pagan (summit and north flank) · Observations: Reported |
| 16 February 1925 | 5 May 1925 | 2 | Observations: Reported |
| 16 February 1923 | 26 March 1923 | 3 | North Pagan · Observations: Reported |
| 2 July 1917 | — | 2 | North Pagan · Observations: Reported |
| 2 July 1909 | — | 2 | North Pagan · Observations: Reported |
| c. 2 July 1873 | — | 3 | North Pagan · Observations: Reported |
| 2 July 1864 | — | 1 | South Pagan · Observations: Reported |
| 2 July 1825 ± 5 years | — | 2 | North Pagan · Observations: Reported |
| 2 July 1800 ± 50 years | — | ? | North Pagan (west flank maar) · Isotopic: 14C (uncalibrated) |
| 1669 | — | ? | North Pagan · Observations: Reported |
| 1340 ± 100 years | — | ? | North Pagan (west flank maar) · Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#284170)