Total Number of Volcanic Eruptions by Year:
2010- 59 (up to June 1, 2010)
2009- 67
2008- 78
2007- 71
2006- 76
2005- 73
2004- 71
2003- 64
2002- 67
2001- 64
2000- 67
1999- 66
1998- 56
1997- 52
1996- 59
1995- 58
1994- 58
1993- 58
1992- 57
1991- 64
1990- 55
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