What change happens to Mount Vesuvius? What is the result of this change? How are the people at Herculaneum affected?

Vesuvius was then built up by a series of lava flows, with some smaller explosive eruptions interspersed between them. About 19,000 years ago: the style of eruption changed to a sequence of large explosive Plinian eruptions, of which the AD 79 one was the most recent.A major eruption of Italy's Mount Vesuvius could generate more than $24 billion in total economic damages and kill 8,000 people, according to a survey released Thursday by London-based Willis Research Network,skeletons found at Herculaneum are unique because there are no other groups of actual skeletons of people from ancient Rome over 1900 years ago that have been so well preserved and it is because of the significant eruption of Mt Vesuvius that we have such valuable evidence of different aspects of life in ancient .