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.
In the past, Mount Vesuvius has had a roughly 20-year eruption cycle, but the last serious eruption was in 1944. Vesuvius and Pompeii. Mount Vesuvius destroyed the city of Pompeii in A.D. 79. Because the city was buried so quickly by volcanic ash, the site is a well-preserved snapshot of life in a Roman city.WII eruption. On March 18, 1944, a two-week-long eruption began with lava from the summit of Mount Vesuvius. Soldiers and airmen of the 340th Bomber Group were stationed at the Pompeii Airfield just a few miles from the base of the volcano.