 In later traditions, the Giants were often confused with other opponents of the Olympians, particularly the Titans, an earlier generation of large and powerful children of Gaia and Uranus.The vanquished Giants were said to be buried under volcanoes and to be the cause of volcanic eruptions and earthquakes.The name "Gigantes" is usually taken to imply "earth-born", and Hesiod's "Theogony" makes this explicit by having the Giants be the offspring of Gaia (Earth).