Extras

    Video thumbnail: NOVA Clues from a Giant Volcanic Eruption Exist Beneath Naples

    NOVA

    Clues from a Giant Volcanic Eruption Exist Beneath Naples

    Dwelling beneath Naples, is Campi Flegrei—a volcano capable of a very large eruption.

    Clues from a Giant Volcanic Eruption Exist Beneath Naples

    Video thumbnail: NOVA The Next Pompeii Preview

    NOVA

    The Next Pompeii Preview

    In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.

    The Next Pompeii Preview

    Video thumbnail: NOVA Volcanologists Descend into Mt Vesuvius' Crater

    NOVA

    Volcanologists Descend into Mt Vesuvius' Crater

    Gas samples from Mt. Vesuvius can reveal how close magma is to the volcano's surface.

    Volcanologists Descend into Mt Vesuvius' Crater