Lascar – stratovolcano, Chile

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
8 February 2026	8 February 2026	?	Observations: Reported
10 December 2022	3 February 2023	3	Observations: Reported
30 October 2015	2 April 2017	2	Summit craters · Observations: Reported
2 April 2013	20 November 2013	1	Central active crater · Observations: Reported
18 April 2006	18 July 2007	3	Observations: Reported
4 May 2005	4 May 2005	3	Observations: Reported
26 October 2002	27 October 2002	2	Observations: Reported
20 July 2000	18 January 2001	2	Observations: Reported
18 October 1996	18 October 1996	2	Observations: Reported
13 November 1994	20 July 1995	2	Observations: Reported
20 July 1994	26 July 1994	2	Observations: Reported
17 December 1993	27 February 1994	2	Observations: Reported
30 January 1993	16 August 1993	4	Western crater of east summit cone · Observations: Reported
21 October 1991	23 May 1992	2	Observations: Reported
24 November 1990	24 November 1990	1	Observations: Reported
16 November 1987	6 April 1990	3	Western crater of east summit cone · Observations: Reported
14 September 1986	16 September 1986	3	Western crater of east summit cone · Observations: Reported
16 December 1984	16 July 1985	0	Western crater of east summit cone · Observations: Reported
16 May 1969	—	1	Observations: Reported
16 November 1959	31 January 1968	2	Observations: Reported
16 June 1954	16 July 1954	2	Observations: Reported
16 November 1951	19 February 1952	2	East summit crater · Observations: Reported
2 July 1940	—	2	Observations: Reported
9 October 1933	16 December 1933	2	Observations: Reported
2 July 1902	—	2	Observations: Reported
2 July 1898	2 July 1900	2	Observations: Reported
2 July 1883	2 July 1885	2	Observations: Reported
2 July 1875	—	2	Observations: Reported
16 April 1858	16 December 1858	2	Observations: Reported
20 January 1854	30 January 1854	1	Lascar or Aguas Calientes · Observations: Reported
2 July 1848	—	2	Lascar or Agua Calientes · Observations: Reported
5,150 BCE ± 1,250 years	—	0	Eastern crater · Isotopic: Cosmic Ray Exposure
c. 7,250 BCE	—	?	Lascar II (Tumbres scoria flow) · Isotopic: 14C (uncalibrated)

Data: Global Volcanism Program, Smithsonian Institution (#355100)