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    Furnas

    Stratovolcano · 805 m · Portugal

    Furnas
    Photo: José Luís Ávila Silveira/Pedro Noronha e Costa · Public domain · Wikimedia Commons

    Furnas sits on the Eurasian Plate, in a rift zone. 9 eruptions are known since the end of the last ice age, the most recent in 1630. Its major eruptions caused at least 200 deaths.

    Elevation
    805 m
    Type
    Stratovolcano
    Tectonic Setting
    Rift zone, oceanic crust
    Dominant Rock
    Trachyte / Trachydacite
    Plate
    Eurasian Plate
    Country
    Portugal
    Last Eruption
    1630
    Known Eruptions (Holocene)
    9
    Max. Explosivity (VEI)
    5
    Known Fatalities
    200

    Eruption Timeline

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

    4,570 BCE1,670 BCE360 BCE80 · VEI 5840 · VEI 41170 · VEI 41430 · VEI 31441 · VEI 41630 · VEI 5 · deadly eruption VEI 2VEI 4VEI 6 4,570 BCE1500180019002000

    Eruption Deadly Eruption (NOAA) 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