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    Volcano

    Mount Shasta

    Stratovolcano · 4,317 m · United States of America

    Mount Shasta
    Photo: Frank Schulenburg · CC BY-SA 4.0 · Wikimedia Commons

    Mount Shasta sits on the North American Plate, in a subduction zone. 22 eruptions are known since the end of the last ice age, the most recent in 1250.

    Elevation
    4,317 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
    1250
    Known Eruptions (Holocene)
    22
    Max. Explosivity (VEI)
    4

    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).

    8,050 BCE7,750 BCE7,650 BCE · VEI 47,420 BCE7,350 BCE · VEI 07,250 BCE6,650 BCE6,050 BCE4,050 BCE3,050 BCE · VEI 02,550 BCE2,050 BCE1,150 BCE850 BCE650 BCE550 BCE150 BCE50 · VEI 015085012001250 VEI 2VEI 4VEI 6 8,050 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