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What was erupting in the year...?

There were 75 confirmed eruptions at some point during 2011 from 69 different volcanoes; 35 of those were new eruptions that started during the year. A stop date with "(continuing)" indicates that the eruption was considered to be ongoing as of the date indicated. Data is reported through the last data update (27 September 2018). Information about more recent eruptions can be found in the Smithsonian / USGS Weekly Volcanic Activity Report.

Volcano Country Eruption Start Date Eruption Stop Date Max VEI
Zubair Group Yemen 2011 Dec 18 2012 Jan 12 2
Kerinci Indonesia 2011 Dec 15 2011 Dec 15 1
Gamalama Indonesia 2011 Dec 5 2011 Dec 23 2
Tungurahua Ecuador 2011 Nov 27 2016 Mar 16 3
Nyamuragira DR Congo 2011 Nov 6 2012 Mar 16 (?) 2
Cerro Hudson Chile 2011 Oct 26 2011 Nov 1 2
Hierro Spain 2011 Oct 10 2012 Mar 5 2
Gaua Vanuatu 2011 Sep 17 2011 Oct 10 1
Rincon de la Vieja Costa Rica 2011 Aug 22 2011 Sep 27 1
San Cristobal Nicaragua 2011 Aug 21 (?) 2011 Oct 23 1
Marapi Indonesia 2011 Aug 3 2011 Oct 12 2
Krakatau Indonesia 2011 Jul 31 2012 Sep 9 ± 1 days 2
Cleveland United States 2011 Jul 19 ± 7 days 2015 Aug 18 2
Soputan Indonesia 2011 Jul 3 2011 Aug 15 3
Lokon-Empung Indonesia 2011 Jun 26 2012 May 1 2
Ol Doinyo Lengai Tanzania 2011 Jun 22 (in or before) 2014 Jul 5 (in or after) 0
Nabro Eritrea 2011 Jun 13 2012 Jun 3 (?) 4
Sangay Ecuador 2011 Jun 6 2012 Sep 19 2
Ambae Vanuatu 2011 Jun 4 2011 Jul 10 1
Puyehue-Cordon Caulle Chile 2011 Jun 4 2012 Apr 21 (?) 5
Grimsvotn Iceland 2011 May 21 2011 May 28 4
Asosan Japan 2011 May 15 2011 Jun 9 1
Semeru Indonesia 2011 May 13 2012 Jul 20 (?) 2
Pagan United States 2011 Apr 23 (?) 2011 Sep 1 (?) 2
Tungurahua Ecuador 2011 Apr 20 2011 May 26 2
Axial Seamount Undersea Features 2011 Apr 6 2011 Apr 12 0
Klyuchevskoy Russia 2011 Mar 30 2011 Jul 3 1
Rabaul Papua New Guinea 2011 Mar 29 2011 Aug 12 2
Karangetang Indonesia 2011 Mar 11 2011 Aug 13 2
Telica Nicaragua 2011 Mar 7 2011 Jun 14 2
Lokon-Empung Indonesia 2011 Feb 22 2011 Feb 22 1
Planchon-Peteroa Chile 2011 Feb 17 2011 Jun 26 ± 1 days 3
Kirishimayama Japan 2011 Jan 19 2011 Sep 7 2
Turrialba Costa Rica 2011 Jan 14 2011 Jan 14 1
Dallol Ethiopia 2011 Jan 4 ± 3 days 2011 Jan 4 ± 3 days 0
Tengger Caldera Indonesia 2010 Nov 26 2012 Jun 13 3
Tungurahua Ecuador 2010 Nov 22 2011 Jan 2 3
Kizimen Russia 2010 Nov 11 (?) 2013 Sep 13 (?) 3
Bulusan Philippines 2010 Nov 6 2011 May 13 2
Merapi Indonesia 2010 Oct 26 2012 Jul 15 4
Krakatau Indonesia 2010 Oct 25 (?) 2011 Mar 9 ± 8 days 2
Barren Island India 2010 Sep 17 2011 Jun 22 2
Etna Italy 2010 Aug 25 2013 Apr 27 1
Manam Papua New Guinea 2010 Aug 10 (?) 2013 Dec 15 (in or after) 2
San Cristobal Nicaragua 2010 Jun 9 2011 Jan 13 2
Ulawun Papua New Guinea 2010 May 26 ± 4 days 2011 May 27 2
Bezymianny Russia 2010 May 21 (?) 2018 Sep 26 (continuing) 3
Concepcion Nicaragua 2009 Dec 11 2011 Mar 12 1
Villarrica Chile 2009 Nov 22 2012 Apr 20 1
Poas Costa Rica 2009 Nov 16 ± 15 days 2014 Oct 13 1
Nevado del Huila Colombia 2008 Oct 26 (?) 2012 Jan 14 (?) 3
Reventador Ecuador 2008 Jul 27 2018 Sep 27 (continuing) 2
Ambrym Vanuatu 2008 May 23 2018 Sep 27 (continuing) 2
Chaiten Chile 2008 May 2 2011 May 31 ± 3 days 4
Ibu Indonesia 2008 Apr 5 2018 Sep 27 (continuing) 1
Batu Tara Indonesia 2007 Jan 17 (?) 2015 Nov 26 2
Soufriere Hills United Kingdom 2005 Apr 15 2013 Feb 5 3
Popocatepetl Mexico 2005 Jan 9 2018 Sep 27 (continuing) 2
Suwanosejima Japan 2004 Oct 23 2018 Sep 27 (continuing) 2
Tofua Tonga 2004 Mar 19 2014 Oct 18 1
Nyiragongo DR Congo 2002 May 17 (?) 2018 Sep 27 (continuing) 2
Fuego Guatemala 2002 Jan 4 2018 Sep 27 (continuing) 3
Karymsky Russia 2001 Nov 15 2016 Apr 1 3
Bagana Papua New Guinea 2000 Feb 28 (in or before) 2018 Sep 21 (continuing) 2
Sheveluch Russia 1999 Aug 15 2018 Sep 27 (continuing) 4
Colima Mexico 1997 Nov 22 2011 Jun 21 3
Kilauea United States 1983 Jan 3 2018 Sep 15 3
Erebus Antarctica 1972 Dec 16 (in or before) ± 15 days 2018 Sep 25 (continuing) 2
Erta Ale Ethiopia 1967 Jul 2 (in or before) ± 182 days 2018 Sep 27 (continuing) 0
Aira Japan 1955 Oct 13 2016 Aug 22 3
Sangay Ecuador 1934 Aug 8 2011 Mar 2 3
Stromboli Italy 1934 Feb 2 2018 Sep 27 (continuing) 2
Dukono Indonesia 1933 Aug 13 2018 Sep 27 (continuing) 3
Santa Maria Guatemala 1922 Jun 22 2018 Sep 27 (continuing) 3
Yasur Vanuatu 1774 Jul 2 (in or before) ± 182 days 2018 Sep 27 (continuing) 3

List of Questions

How many active volcanoes are there?

Has volcanic activity been increasing?

What was erupting in the year...?

What is a volcano?

What is the world's highest volcano?

How do scientists forecast eruptions?

What volcanoes are the most noteworthy?

Why doesn't GVP post alert levels?

What Holocene volcanoes are in areas with a UNESCO classification?


Global Volcanism Program, 2013. Volcanoes of the World, v. 4.7.4. Venzke, E (ed.). Smithsonian Institution. Downloaded 20 Oct 2018. https://doi.org/10.5479/si.GVP.VOTW4-2013