The launch of a new GVP website is scheduled for Monday, May 20, 2013.
| Start Date: 2009 Sep 15 | Stop Date: 2010 Jan 1 (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 2008 Aug 10 | Stop Date: 2008 Aug 10 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 2006 Jul 13 | Stop Date: 2006 Oct 1 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 Lava Volume: 3.8 ± 0.3 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 2006 Feb 21 | Stop Date: 2006 Feb 23 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 2005 Aug 17 (on or before) | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 0 |
Eruptive Characteristics:
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| Start Date: 2004 Jun 3 | Stop Date: 2004 Sep 12 (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 2003 Oct 8 | Stop Date: 2003 Oct 11 (?) |
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 0 |
Eruptive Characteristics:
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| Start Date: 2003 Mar 17 | Stop Date: 2003 May 14 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 2002 Oct 11 | Stop Date: 2002 Oct 11 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 2001 Jan 8 | Stop Date: 2001 Aug 8 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 1.5 x 107 m3 Tephra Volume: 1.1 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 2000 Jul 16 | Stop Date: 2000 Aug 31 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1999 Jun 22 | Stop Date: 2000 Mar 19 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1993 Feb 2 | Stop Date: 1993 Apr 4 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2? Lava Volume: 8.5 ± 0.5 x 107 m3 Tephra Volume: > 2 x 106 m3 |
Eruptive Characteristics:
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| Start Date: 1984 Sep 9 | Stop Date: 1984 Oct 6 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 2 x 107 m3 Tephra Volume: 5 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 1978 Mar 7 | Stop Date: 1978 Sep (?) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Lava Volume: 1.5 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 1968 Apr 21 | Stop Date: 1968 May 20 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 1.5 x 107 m3 Tephra Volume: 2.0 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 1947 Jan 8 | Stop Date: 1947 Feb |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1943 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1941 Sep 13 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1939 Aug 21 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1938 Jun 5 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Tephra Volume: 4 x 106 m3 |
Eruptive Characteristics:
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| Start Date: 1928 Jan (?) | Stop Date: 1928 Aug 26 ± 5 days |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Lava Volume: 7.5 ? x 107 m3 Tephra Volume: 7.5 ? x 107 m3 |
Eruptive Characteristics:
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| Start Date: 1902 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1900 Mar 1 | Stop Date: 1900 Mar 6 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1897 May 23 (on or before) | Stop Date: 1897 Jul 23 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 4? Tephra Volume: > 8 x 107 m3 |
Eruptive Characteristics:
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| Start Date: 1896 Aug 31 | Stop Date: 1896 Sep 27 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1895 Jul 20 | Stop Date: 1895 Nov 26 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 Area of Activity: Summit and east flank |
Eruptive Characteristics:
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| Start Date: 1893 Oct 3 (?) | Stop Date: 1893 Oct 31 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1891 Oct 3 | Stop Date: 1892 Feb 29 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1890 Sep 10 | Stop Date: 1890 Sep 30 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1888 Dec 15 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1886 Jul 8 | Stop Date: 1887 Mar 10 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1885 Nov 21 | Stop Date: 1885 Dec 2 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1881 Jul 6 | Stop Date: 1882 Aug |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 Area of Activity: Summit and south and SW flanks |
Eruptive Characteristics:
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| Start Date: 1876 Nov 26 | Stop Date: 1876 Nov 26 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1876 Apr | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1873 Jun 20 | Stop Date: 1873 Jul 22 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1872 Sep 5 | Stop Date: 1872 Sep 9 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1871 Dec 8 | Stop Date: 1872 Jan |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1868 Dec 17 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1863 May 30 | |
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Eruption is UNCERTAIN |
Eruptive Characteristics: Unknown |
| Start Date: 1862 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1861 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1860 | Stop Date: Unknown |
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Dating Technique: Historical Records |
Eruptive Characteristics:
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| Start Date: 1859 | Stop Date: Unknown |
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Dating Technique: Historical Records |
Eruptive Characteristics:
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| Start Date: 1858 Jan | Stop Date: 1858 Dec |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1857 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1855 Mar 22 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1853 Jul 13 | Stop Date: 1853 Aug 26 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1851 May 26 | Stop Date: 1851 Jun |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 1 |
Eruptive Characteristics:
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| Start Date: 1846 May 11 | Stop Date: 1846 May 11 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1845 Jan 20 ± 1 day | Stop Date: 1845 Jan 30 ± 1 day |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1839 | Stop Date: Unknown |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1834 | Stop Date: 1835 May |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1827 Jun 27 | Stop Date: 1828 Feb 28 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1814 Feb 1 | Stop Date: 1814 Feb 15 (on or after) |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 4 Tephra Volume: 5.5 ± 5.0 x 108 m3 |
Eruptive Characteristics:
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| Start Date: 1811 Oct 5 | Stop Date: 1811 Oct 6 |
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Eruption is UNCERTAIN Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1800 Oct 30 | Stop Date: 1800 Oct 31 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 2 |
Eruptive Characteristics:
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| Start Date: 1767 Oct 24 | |
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Eruption DISCREDITED Area of Activity: (may be confused with 1766 lahar date |
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| Start Date: 1766 Jul 20 | Stop Date: 1766 Jul 25 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 1616 Feb 19 | Stop Date: 1616 Feb 23 |
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Dating Technique: Historical Records Volcanic Explosivity Index (VEI): 3 |
Eruptive Characteristics:
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| Start Date: 470 AD ± 75 years | Stop Date: Unknown |
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Dating Technique: Radiocarbon (uncorrected) |
Eruptive Characteristics:
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| Start Date: 3100 BC ± 300 years | Stop Date: Unknown |
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Dating Technique: Radiocarbon (uncorrected) |
Eruptive Characteristics: Unknown |