Conversation so far:
where is mount vesuvius located on the world map
Mount Vesuvius is located on the Gulf of Naples in Campania, Italy, about 9 km (5.6 mi) east of Naples and a short distance from the shore.
what kind of volcano is mt. vesuvius
Mt. Vesuvius is a somma-stratovolcano.
when did mt vesuvius erupt to kill many people
The eruption of Mount Vesuvius in AD 79 destroyed the Roman cities of Pompeii, Herculaneum, Oplontis and Stabiae, as well as several other settlements.
is mt vesuvius still active
Today, Mt. Vesuvius is regarded as one of the most dangerous volcanoes in the world because of the population of 3,000,000 people living near enough to be affected.

Question: how did the volcano form
Self-contained rewrite: how did mt vesuvius form