page_title: 1808 mystery eruption
hierarchical_section_title: 1808 mystery eruption
caption_attribution_description: Sulfate concentration in ice core from Central Greenland, accurately dated by counting oxygen isotope seasonal variations. The year 1815 AD was due to the Mt. Tambora eruption, while prior to that is an unknown eruption.
context_page_description: The 1808 mystery eruption was a large volcanic eruption conjectured to have taken place in late 1808, possibly in the southwest Pacific. A VEI-6 eruption, comparable to the 1883 eruption of Krakatoa, is suspected of having contributed to a period of global cooling that lasted for years, analogous to how the 1815 eruption of Mount Tambora led to the Year Without a Summer in 1816.
context_section_description: The 1808 mystery eruption was a large volcanic eruption conjectured to have taken place in late 1808, possibly in the southwest Pacific. A VEI-6 eruption, comparable to the 1883 eruption of Krakatoa, is suspected of having contributed to a period of global cooling that lasted for years, analogous to how the 1815 eruption of Mount Tambora (VEI-7) led to the Year Without a Summer in 1816.
caption: Sulfate concentration in ice cores from Greenland, dated by counting oxygen isotope seasonal variations: A large unknown eruption occurred somewhat before the year 1810.[1] The peak after 1815 was caused by the Mount Tambora eruption.
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