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    Ukinrek maars

    Maar · 91 m · United States of America

    Ukinrek maars
    Photo: Original uploader was AlaskaTrekker (Erin McKittrick, own work) at en.wikipedia. · CC BY 2.5 · Wikimedia Commons

    Ukinrek maars sits on the North American Plate, in a subduction zone. 2 eruptions are known since the end of the last ice age, the most recent in 1977.

    Elevation
    91 m
    Type
    Maar
    Tectonic Setting
    Subduction zone, continental crust
    Dominant Rock
    Basalt / Picro-Basalt
    Plate
    North American Plate
    Country
    United States of America
    Last Eruption
    1977
    Known Eruptions (Holocene)
    2
    Max. Explosivity (VEI)
    3

    Eruption Timeline

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

    350 BCE1977 · VEI 3 VEI 2VEI 4VEI 6 350 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