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What was erupting in the year...?

Statistics for volcanoes and eruptions since 1991; data for 2021 is through the last data update (6 May 2021). Click on each year for the full list of volcanoes and additional details for that year (opens a new tab). Total eruptions counts activity that took place during any (or all) of that year. Eruptions that started as new activity are included in the total eruptions count. Data subject to change or correction due to ongoing research. Columns showing the Volcanic Explosivity Index (VEI) values reflect the maximum VEI for the overall eruption and are assigned to the year in which the eruption started.

Year Eruptions
Started (New)
Eruptions
Total
Volcanoes
Active
Countries VEI <= 2 VEI 3 VEI 4 VEI 5 VEI 6
2021 7 53 52 25 7 0 0 0 0

2020 27 73 68 29 20 5 2 0 0
2019 26 74 72 28 22 2 2 0 0
2018 37 80 75 28 31 6 0 0 0
2017 32 74 71 29 26 6 0 0 0
2016 34 85 74 28 29 5 0 0 0
2015 40 88 83 31 34 4 2 0 0
2014 40 79 72 30 30 9 1 0 0
2013 35 77 72 29 30 4 1 0 0
2012 38 80 74 27 33 4 1 0 0
2011 35 76 70 27 29 3 2 1 0
2010 33 77 69 24 24 7 2 0 0
2009 31 75 68 25 28 2 1 0 0
2008 46 87 80 28 37 6 3 0 0
2007 36 81 76 29 30 6 0 0 0
2006 44 86 76 29 39 4 1 0 0
2005 46 83 75 28 39 7 0 0 0
2004 49 81 71 27 41 7 1 0 0
2003 30 66 63 25 25 5 0 0 0
2002 42 75 66 25 36 4 2 0 0
2001 35 72 65 26 29 6 0 0 0
2000 39 75 67 29 34 4 1 0 0
1999 39 70 67 26 34 4 1 0 0
1998 32 59 56 24 27 5 0 0 0
1997 26 56 52 23 22 4 0 0 0
1996 35 61 59 25 29 6 0 0 0
1995 33 65 62 29 29 4 0 0 0
1994 33 62 58 22 28 4 1 0 0
1993 28 61 58 24 26 1 1 0 0
1992 27 63 57 24 24 2 1 0 0
1991 38 69 65 27 32 4 0 1 1

List of Questions

Global Volcanism Program, 2013. Volcanoes of the World, v. 4.10.0 (14 May 2021). Venzke, E (ed.). Smithsonian Institution. Downloaded 15 Jun 2021. https://doi.org/10.5479/si.GVP.VOTW4-2013.