The launch of a new GVP website is scheduled for Monday, May 20, 2013.
| Start Date: 2009 Apr 21 | Stop Date: 2009 Jun 22 (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 2000 Jul (?) | Stop Date: 2000 Oct (?) |
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 1? |
Eruptive Characteristics:
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| Start Date: 1999 May 1 (?) | Stop Date: 1999 Sep (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1988 Jul 12 | Stop Date: 1988 Jul 13 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 Area of Activity: (eruption July 12-13, 1988, not 1989) |
Eruptive Characteristics:
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| Start Date: 1974 May 29 | Stop Date: 1974 May 29 |
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1973 Aug | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1? |
Eruptive Characteristics:
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| Start Date: 1969 Jun 23 | Stop Date: 1969 Aug |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1967 May 7 | Stop Date: 1967 Jul |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1966 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1960 Dec | Stop Date: 1961 Jan |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1958 Sep 13 | Stop Date: 1958 Nov 5 ± 4 days |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1958 Apr 17 | Stop Date: 1958 May 7 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1957 Feb 8 | Stop Date: 1957 Feb 8 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1955 Nov 12 | Stop Date: 1955 Dec 20 (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1953 Aug | Stop Date: 1953 Oct |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1951 Jun 26 | Stop Date: 1952 Jan 1 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1951 Feb 11 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1948 Nov 14 | Stop Date: 1948 Dec 15 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1944 May 9 | Stop Date: 1944 Oct 30 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1943 Oct 2 | Stop Date: 1944 Jan 5 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1943 Mar 18 | |
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Eruption is UNCERTAIN |
Eruptive Characteristics:
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| Start Date: 1940 Mar 15 | Stop Date: 1940 Apr 15 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1939 Dec 4 | Stop Date: 1939 Dec 4 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1939 Mar 29 | Stop Date: 1939 Jul 15 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1937 | Stop Date: Unknown |
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Dating Technique: Historical Records |
Eruptive Characteristics:
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| Start Date: 1934 | |
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Eruption is UNCERTAIN |
Eruptive Characteristics: Unknown |
| Start Date: 1933 May 12 | Stop Date: 1933 May 13 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1? |
Eruptive Characteristics:
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| Start Date: 1932 Jul 1 | Stop Date: 1932 Sep 10 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1930 Apr 2 | Stop Date: 1930 Apr 13 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1929 Jun 6 | Stop Date: 1929 Jun 15 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1928 Mar 20 | Stop Date: 1928 May 12 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1927 Feb 27 | Stop Date: 1927 Feb 27 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1926 Nov 23 ± 1 day | Stop Date: 1926 Nov 30 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1923 Jun 2 | Stop Date: 1923 Jun 2 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1904 Jul 14 | Stop Date: 1904 Aug 9 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1890 Aug 6 | Stop Date: 1890 Aug 29 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1885 Mar 21 | Stop Date: 1885 Mar 30 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1875 Nov 2 ± 2 days | Stop Date: 1875 Dec 26 ± 5 days |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1875 May 29 (on or before) | Stop Date: 1875 Jun 4 ± 4 days |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1860 Mar 19 | Stop Date: 1860 Apr 11 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1849 Dec 1 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1847 Mar 20 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1835 Sep | Stop Date: 1835 Sep |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1825 Oct | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1772 Aug 11 | Stop Date: 1772 Aug 12 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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