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    World Map › Quimsachata-Oroscocha

    Volcano

    Quimsachata-Oroscocha

    Lava dome · 3,848 m · Peru

    Quimsachata-Oroscocha sits on the Altiplano Plate, in a subduction zone. 1 eruption is known since the end of the last ice age, the most recent in 4,450 BCE.

    Elevation
    3,848 m
    Type
    Lava dome
    Tectonic Setting
    Subduction zone, continental crust
    Dominant Rock
    Rhyolite
    Plate
    Altiplano Plate
    Country
    Peru
    Last Eruption
    4,450 BCE
    Known Eruptions (Holocene)
    1

    Nearby Cities

    Cities of more than 20,000 people within 100 km. At least 34,000 people live in those within 30 km.

    Eruption Timeline

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

    4,450 BCE VEI 2VEI 4VEI 6 4,450 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