Volcanology that Hephaestus, the god of fire, sat below the volcano Etna, forging the weapons of Zeus. The Greek word used to describe volcanoes was "etna", or "hiera", after Heracles, the son of Zeus. The Roman poet Virgil, in interpreting the Greek mythos, held that the giant Enceladus was buried beneath Etna by the goddess Athena as punishment for rebellion against the gods; the mountain's rumblings were his tormented cries, the flames his breath and the tremors his railing against the bars of his prison. Enceladus' brother Mimas was buried beneath Vesuvius by Hephaestus, and the blood of other defeated giants
The God Beneath the Sea second time after reproaching Zeus. In Part I, "The Making of the Gods", Thetis and Eurynome tell Hephaestus stories of the Titans and Olympians, in hopes of quelling his restless nature. They begin with the myths of the Titans emerging from Chaos, then tell of the birth of the Cyclopes and Hecatonchires, and the overthrowal of Uranus by his son Cronus. They tell of Cronus' ascension to the throne with his queen Rhea, and his descent to madness after the Furies torment him nightly with prophecies that he, like his father, would be overthrown by his son. Hephaestus grows uglier