St. Louis County, Missouri. St. Louis County is a county located in the far eastern portion of Missouri. It is bounded by the Mississippi River, the Missouri River, the Meramec River, and the state of Illinois. As of the 2015 Census Bureau population estimate, the population was 1,003,362, making it the most populous county in Missouri.
Mount Vesuvius is best known for its eruption in AD 79 that led to the burying and destruction of the Roman cities of Pompeii, Herculaneum and several other settlements.t was then built up by a series of lava flows, with some smaller explosive eruptions interspersed between them. However, the style of eruption changed around 19,000 years ago to a sequence of large explosive plinian eruptions, of which the 79 AD one was the most recent.
The most famous and destructive eruption of Mt. Vesuvius occurred in AD 79. Greek and roman scholars (Strabo, Diodorus Siculus, Vitruvius, Vergil) already knew the volcanic nature of the mountain before this eruption.It destroyed many towns around Vesuvius.he activity between 1631 and 1944 The great eruption of 1631 is the largest explosive eruption of Mt. Vesuvius since those of 472 and 512 AD. It occurred after 131 years of quiescence. Large trees covered the Gran Cono, the cone within the Somma Caldera, and local people did not remember it being a volcano.