Did Mount Vesuvius have lava?
Photo Credit: Courtesy of 3DStockPhoto (Lava image)
For this reason, the volcano is also called Somma-Vesuvius or Somma-Vesuvio. The caldera started forming during an eruption around 17,000-18,000 years ago, and was enlarged by later paroxysmal eruptions, ending in the one of AD 79. ... Layers of lava, ash, scoria and pumice make up the volcanic peak.