Ambrym – shield volcano, Vanuatu

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
13 January 2024	16 January 2024	0	Observations: Reported
25 January 2022	2 February 2022	1	Benbow Crater · Observations: Reported
23 May 2008	17 December 2018	2	Benbow and Marum · Observations: Reported
8 November 2006	27 December 2007	2	Marum (Mbwelesu) · Observations: Reported
16 June 1996	16 August 2005	1	Benbow, Marum, Niri Mbelesu, Mbwelesu · Observations: Reported
16 December 1994	—	1	Benbow and Marum · Observations: Reported
16 September 1990	16 July 1991	2	Mbwelesu, Niri Mbwelesu, Niri Taten · Observations: Reported
24 April 1989	23 December 1989	2	Marum, Benbow, Niri Mbwelesu Taten · Observations: Reported
12 February 1988	23 August 1988	3	Benbow, Mbwelesu, Marum, Niri Taten · Observations: Reported
13 November 1986	19 November 1986	2	New cone 3 km east of Marum · Observations: Reported
2 July 1984	8 March 1986	2	Observations: Reported
2 July 1983	—	2	Marum · Observations: Reported
20 February 1981	30 September 1981	2	Benbow, Marum · Observations: Reported
16 May 1980	18 August 1980	3	Marum · Observations: Reported
6 June 1979	16 September 1979	2	Benbow, Marum · Observations: Reported
26 January 1979	18 February 1979	2	Benbow · Observations: Reported
16 August 1977	30 September 1977	2	Observations: Reported
20 January 1977	28 January 1977	2	Observations: Reported
15 April 1973	14 October 1976	3	Benbow, Mbuelesu, Marum · Observations: Reported
15 April 1972	15 August 1972	3	Benbow, Marum · Observations: Reported
3 February 1971	5 November 1971	2	Marum, Benbow · Observations: Reported
16 July 1967	29 August 1970	2	Marum, Benbow, Mbuelesu · Observations: Reported
16 February 1964	16 September 1966	2	Marum, Benbow · Observations: Reported
30 August 1963	23 September 1963	2	Benbow, Marum · Observations: Reported
15 August 1961	3 April 1963	3	Benbow, Marum, south of Marum · Observations: Reported
17 September 1960	—	1	Mbuelesu, Benbow, near Marum · Observations: Reported
16 April 1959	—	2	Marum · Observations: Reported
18 November 1958	—	2	Benbow and Marum · Observations: Reported
26 August 1957	16 October 1957	1	Benbow, Marum · Observations: Reported
2 July 1955	—	2	Benbow · Observations: Reported
2 July 1954	—	2	Benbow · Observations: Reported
16 May 1953	13 October 1953	2	Benbow, Mbuelesu, S flank of Benbow · Observations: Reported
10 August 1952	26 December 1952	2	Benbow · Observations: Reported
6 December 1950	25 November 1951	4	Benbow · Observations: Reported
6 June 1942	—	2	NW flank of Benbow · Observations: Reported
2 July 1938	—	2	Benbow, Marum ? · Observations: Reported
27 March 1937	16 April 1937	2	Benbow and west flank · Observations: Reported
16 September 1935	16 January 1936	2	Benbow · Observations: Reported
28 June 1929	1 July 1929	2	Benbow, west flank, Marum · Observations: Reported
27 January 1927	27 January 1927	?	Observations: Reported
20 October 1915	—	2	Marum, crater at SE point · Observations: Reported
14 October 1913	2 July 1914	3	Benbow, west flank, Marum · Observations: Reported
2 July 1912	—	?	Marum ?, west flank ? · Observations: Reported
2 July 1910	—	0	Base of Marum · Observations: Reported
28 July 1909	—	2	Observations: Reported
2 July 1908	—	2	Observations: Reported
26 March 1898	—	1	Observations: Reported
15 October 1894	10 February 1895	3	Benbow and west flank · Observations: Reported
24 February 1888	16 April 1888	2	SE flank (6 km from SE Point), Marum · Observations: Reported
16 July 1886	—	2	Observations: Reported
2 July 1884	—	2	Marum and/or Benbow · Observations: Reported
2 July 1883	—	2	Marum · Observations: Reported
3 May 1875	—	?	Observations: Reported
2 July 1871	—	2	Observations: Reported
2 July 1863	2 July 1864	2	Observations: Reported
c. 2 July 1820	—	?	West flank · Observations: Reported
2 July 1774	—	2	Observations: Reported
50 ± 100 years	—	6	Isotopic: 14C (uncalibrated)

Data: Global Volcanism Program, Smithsonian Institution (#257040)