Nyamulagira – shield volcano, DR Congo

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
14 April 2018	continuing	0	Summit caldera · Observations: Reported
27 November 2016	2 May 2017	0	Summit crater · Observations: Reported
22 June 2014	14 May 2016	0	Summit crater · Observations: Satellite (infrared)
6 November 2011	16 March 2012	2	NW flank · Observations: Reported
2 January 2010	29 January 2010	1	Summit caldera and SSE flank · Observations: Reported
27 November 2006	5 December 2006	2	South flank · Observations: Reported
8 May 2004	28 May 2004	2	Summit and NNW flank · Observations: Reported
25 July 2002	16 September 2002	2	Summit caldera, north & south flanks · Observations: Reported
6 February 2001	5 April 2001	2	North and SSE flanks · Observations: Reported
27 January 2000	10 February 2000	2	SE flank (Ngerageze) · Observations: Reported
17 October 1998	25 October 1998	2	Observations: Reported
1 December 1996	5 December 1996	3	Observations: Reported
4 July 1994	25 August 1994	2	West flank (Kimera) and summit · Observations: Reported
20 September 1991	8 February 1993	3	NE flank 1530 m (Mikombe) · Observations: Reported
24 April 1989	15 August 1989	3	Summit, SE and East flank · Observations: Reported
30 December 1987	4 January 1988	1	North Flank (Gafuranindi) · Observations: Reported
16 July 1986	20 August 1986	2	South flank (near Kitazungurwa) · Observations: Reported
23 February 1984	14 March 1984	2	NW flank (Kivandimwe) · Observations: Reported
25 December 1981	14 January 1982	3	SE flank (Rugarambiro) · Observations: Reported
30 January 1980	24 February 1980	3	North flank (Gasenyi) · Observations: Reported
23 December 1976	15 June 1977	1	SSW flank (Murara and Harakandi) · Observations: Reported
24 March 1971	5 May 1971	3	WNW flank (Rugarama) · Observations: Reported
23 April 1967	9 May 1967	2	North flank (Gakararanga) · Observations: Reported
7 August 1958	21 November 1958	2	North flank (Kitsimbanyi), NNW rift · Observations: Reported
28 December 1957	—	0	Summit caldera and SSE fissure zone · Observations: Reported
17 November 1956	18 November 1956	1	Summit caldera and NNW fissure zone · Observations: Reported
21 February 1954	28 May 1954	1	SSE fissure zone (Mihaga) · Observations: Reported
16 November 1951	16 January 1952	2	NNW fissure zone (Shabubembe-Ndakaza) · Observations: Reported
25 July 1951	28 July 1951	1	SW flank (Gituro) · Observations: Reported
1 March 1948	15 July 1948	2	SW flank (Gituro, Muhuboli), N flank · Observations: Reported
28 January 1938	25 June 1940	1	Summit, SE and SW flanks (Tshambene) · Observations: Reported
2 July 1921	17 January 1938	0	Caldera · Observations: Reported
2 July 1920	—	0	SSW flank (Lake Kivu) · Observations: Reported
3 December 1912	16 April 1913	3	SW flank (Rumoka), and summit · Observations: Reported
16 May 1909	16 May 1909	1	Summit caldera · Observations: Reported
2 July 1908	—	?	Summit caldera · Observations: Reported
7 November 1907	5 December 1907	3	Summit caldera · Observations: Reported
16 April 1907	16 May 1907	1	Summit caldera · Observations: Reported
22 July 1905	25 September 1905	2	East flank (Kanamaharagi) · Observations: Reported
16 April 1904	16 May 1904	2	SW flank (Nahimbi) · Observations: Reported
22 April 1902	—	0	SSE fissure zone · Observations: Reported
2 July 1901	—	2	East flank (Singiro) · Observations: Reported
16 February 1899	—	1	NNW fissure zone · Observations: Reported
2 July 1896	—	1	Observations: Reported
16 June 1894	—	2	Observations: Reported
2 July 1882	—	?	North flank · Observations: Reported
2 July 1865	—	?	Observations: Reported
1550 ± 100 years	—	?	Isotopic: 14C (calibrated)

Data: Global Volcanism Program, Smithsonian Institution (#223020)