The launch of a new GVP website is scheduled for Monday, May 20, 2013.
More recent eruptive activity has been reported during 2011. Details can be found in the Monthly or Weekly Reports. | ||||||||||||||||
| Start Date: 2010 Aug 10 (?) | Stop Date: 2011 Jan 1 (on or after) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater, Main Crater |
Eruptive Characteristics:
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| Start Date: 2004 Oct 24 | Stop Date: 2009 Dec 12 (?) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 4? Area of Activity: South Crater, Main Crater |
Eruptive Characteristics:
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| Start Date: 2003 Oct 26 ± 5 days | Stop Date: 2004 Mar 28 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 Area of Activity: Main Crater |
Eruptive Characteristics:
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| Start Date: 2003 May 17 | Stop Date: 2003 May 23 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 Area of Activity: Main Crater |
Eruptive Characteristics:
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| Start Date: 2002 Oct 31 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 2002 Jan 13 | Stop Date: 2002 May 21 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3? Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 2001 Jun 14 | Stop Date: 2001 Jun 25 (?) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 2000 Jun 3 | Stop Date: 2000 Jun 4 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1974 Mar 4 (?) | Stop Date: 1999 Nov 9 (?) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: > 5.6 x 107 m3 Tephra Volume: 107 m3 Area of Activity: South Crater, Main Crater |
Eruptive Characteristics:
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| Start Date: 1965 | Stop Date: 1966 Jan 25 (on or after) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Lava Volume: 2 x 106 m3 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1963 Nov 26 | Stop Date: 1964 Apr | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Lava Volume: 1 x 106 m3 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1963 Feb | Stop Date: 1963 May (in or after) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1962 Apr | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1961 Jul | Stop Date: 1961 Sep | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1959 Dec | Stop Date: 1960 Dec (in or after) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Lava Volume: 4 x 106 m3 Area of Activity: Main Crater, South Crater |
Eruptive Characteristics:
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| Start Date: 1959 Jun | Stop Date: 1959 Jul | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1956 Dec 8 | Stop Date: 1958 Aug | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 2 x 107 m3 Tephra Volume: 107 m3 Area of Activity: South Crater, Main Crater |
Eruptive Characteristics:
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| Start Date: 1954 May | Stop Date: 1954 Jun | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1953 Apr | Stop Date: 1953 Aug | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1946 Dec 1 ± 30 days | Stop Date: 1947 Sep | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 2 x 107 m3 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1936 Sep | Stop Date: 1939 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Area of Activity: Main Crater, South Crater |
Eruptive Characteristics:
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| Start Date: 1932 | Stop Date: 1934 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1926 Mar | Stop Date: 1928 Mar 1 ± 30 days | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1925 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2? |
Eruptive Characteristics:
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| Start Date: 1924 | ||||||||||||||||
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 2? |
Eruptive Characteristics: Unknown |
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| Start Date: 1923 | ||||||||||||||||
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 2? |
Eruptive Characteristics: Unknown |
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| Start Date: 1922 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3? |
Eruptive Characteristics:
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| Start Date: 1920 Dec 5 (?) | Stop Date: 1921 Mar | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1919 Aug 11 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 4 Area of Activity: South Crater, Main Crater |
Eruptive Characteristics:
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| Start Date: 1917 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1909 | Stop Date: 1914 (?) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1907 | ||||||||||||||||
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Eruption is UNCERTAIN |
Eruptive Characteristics: Unknown |
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| Start Date: 1904 Oct 26 | Stop Date: 1904 Oct 27 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3? |
Eruptive Characteristics:
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| Start Date: 1904 Apr 30 ± 30 days | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records |
Eruptive Characteristics: Unknown |
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| Start Date: 1901 | Stop Date: 1902 | |||||||||||||||
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Eruption is UNCERTAIN |
Eruptive Characteristics:
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| Start Date: 1899 ± 1 year | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2? Area of Activity: Main Crater, South Crater |
Eruptive Characteristics:
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| Start Date: 1887 Jun | Stop Date: 1895 | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1885 May | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records |
Eruptive Characteristics:
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| Start Date: 1884 | ||||||||||||||||
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Eruption is UNCERTAIN |
Eruptive Characteristics: Unknown |
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| Start Date: 1877 Oct 29 | Stop Date: 1877 Nov 13 (on or after) | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1830 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1700 Apr 2 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Area of Activity: South Crater |
Eruptive Characteristics:
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| Start Date: 1643 Apr 21 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: (eruption in 1643, not 1642) |
Eruptive Characteristics:
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| Start Date: 1616 Jul 6 | Stop Date: Unknown | |||||||||||||||
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2? |
Eruptive Characteristics:
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