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    Koniuji Volcano

    Stratovolcano · 273 m · At Sea

    Koniuji Volcano
    Photo: Edibobb · CC BY 3.0 · Wikimedia Commons

    Koniuji Volcano sits on the North American Plate, in a subduction zone. 3 eruptions are known since the end of the last ice age, the most recent in 1,150 BCE.

    Elevation
    273 m
    Type
    Stratovolcano
    Tectonic Setting
    Subduction zone
    Dominant Rock
    Andesite / Basaltic Andesite
    Plate
    North American Plate
    Country
    At Sea
    Last Eruption
    1,150 BCE
    Known Eruptions (Holocene)
    3

    Eruption Timeline

    Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).

    3,850 BCE2,650 BCE1,150 BCE VEI 2VEI 4VEI 6 3,850 BCE1500180019002000

    Eruption Uncertain Date

    Sources : Global Volcanism Program, 2026. Volcanoes of the World (v. 5.4.0; 7 Aug 2026), Smithsonian Institution, doi:10.5479/si.GVP.VOTW5-2026.5.4 (volcano.si.edu) · NOAA NCEI · USGS · Wikidata