Pavlof – stratovolcano, United States

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
5 August 2021	7 December 2022	2	Observations: Reported
27 March 2016	30 July 2016	2	Summit crater · Observations: Reported
12 November 2014	15 November 2014	3	Vent just N of summit and N flank · Observations: Reported
31 May 2014	6 June 2014	3	NE flank · Observations: Reported
13 May 2013	26 June 2013	3	Summit crater · Observations: Reported
15 August 2007	13 September 2007	2	Observations: Reported
11 September 1996	3 January 1997	2	Observations: Reported
5 March 1990	5 March 1990	2	Observations: Reported
16 April 1986	13 August 1988	3	NNE & SE summit vents, NE & SE flanks · Observations: Reported
11 November 1983	18 December 1983	3	Upper NNE flank · Observations: Reported
11 July 1983	18 July 1983	2	Observations: Reported
25 September 1981	27 September 1981	3	Upper NNE flank (100 m below summit) · Observations: Reported
30 March 1981	28 May 1981	1	Observations: Reported
8 November 1980	13 November 1980	3	Upper NNE flank · Observations: Reported
13 September 1975	16 March 1977	2	Observations: Reported
1 September 1974	13 January 1975	3	Observations: Reported
12 March 1974	24 March 1974	1	Observations: Reported
12 November 1973	13 November 1973	2	Upper NE flank · Observations: Reported
15 March 1966	—	2	Upper NE or NNE flank · Observations: Reported
c. 2 July 1960	16 June 1963	2	Upper NE or NNE flank · Observations: Reported
17 May 1958	28 August 1958	2	Upper NNE flank · Observations: Reported
25 November 1953	16 August 1954	1	Upper NE or NNE flank · Observations: Reported
16 October 1951	16 February 1952	2	Upper NE or NNE flank · Observations: Reported
31 July 1950	16 May 1951	2	Upper NE or NNE flank · Observations: Reported
2 July 1936	16 May 1948	3	Observations: Reported
16 March 1929	16 August 1931	2	Observations: Reported
17 January 1924	—	2	Observations: Reported
24 December 1922	28 February 1923	2	Observations: Reported
16 October 1917	—	2	Observations: Reported
6 July 1914	—	2	Observations: Reported
2 July 1906	7 December 1911	3	Summit and north flank fissure · Observations: Reported
2 July 1901	—	2	Observations: Reported
2 July 1894	—	2	Observations: Reported
2 July 1892	—	2	Observations: Reported
2 July 1886	—	2	Observations: Reported
2 July 1880	—	1	Observations: Reported
14 March 1866	—	2	Observations: Reported
16 August 1846	16 August 1846	2	Observations: Reported
12 August 1845	—	2	Observations: Reported
2 July 1838	—	1	Observations: Reported
2 July 1825	—	2	Observations: Reported
2 July 1817	—	2	Observations: Reported
1790	—	2	Observations: Reported
1762	1786	4	Volcano Uncertain

Data: Global Volcanism Program, Smithsonian Institution (#312030)