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    Mount Adams

    Stratovolcano · 3,742 m · United States of America

    Mount Adams
    Photo: USGS Photo by R. Iverson, USGS/CVO · Public domain · Wikimedia Commons

    Mount Adams sits on the North American Plate, in a subduction zone. 15 eruptions are known since the end of the last ice age, the most recent in 950.

    Elevation
    3,742 m
    Type
    Stratovolcano
    Tectonic Setting
    Subduction zone, continental crust
    Dominant Rock
    Andesite / Basaltic Andesite
    Plate
    North American Plate
    Country
    United States of America
    Last Eruption
    950
    Known Eruptions (Holocene)
    15
    Max. Explosivity (VEI)
    2

    Nearby Cities

    Cities of more than 20,000 people within 100 km.

    Eruption Timeline

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

    7,050 BCE · VEI 25,150 BCE · VEI 24,550 BCE · VEI 24,050 BCE · VEI 23,800 BCE · VEI 13,550 BCE · VEI 23,250 BCE · VEI 22,950 BCE · VEI 12,650 BCE · VEI 21,850 BCE · VEI 1550 BCE · VEI 2400 BCE · VEI 2300 BCE · VEI 2200 · VEI 2950 · VEI 2 VEI 2VEI 4VEI 6 7,050 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