Nearly 2000 years after the eruption of Mount Vesuvius, volcanologist Kayla Iacovino delves into how the catastrophe unfolded 🌋 #PompeiiSecretsOfTheDead is now streaming on Disney . | National Geographic TV

The eruption of Vesuvius devastated Pompeii and Herculaneum, but in dramatically different ways. As ash and pumice billowed from the eruption site, prevailing winds pushed it south, smothering Pompeii. Meanwhile, a mixture of superheated steam, ash, mud, and rock sped down the west side of the mountain at up to 450 miles per hour. This pyroclastic flow devastated Herculaneum. Learn more about this dramatic eruption and its aftermath in The Roman Empire: From Augustus to the Fall of Rome. https:/