What happened when the Volcano exploded?
Almost all volcanoes are not all alike. Mount Vesuvius known as a Composite volcano. Composite volcanoes have one type of eruption; this is the kind you see in the movies where the volcano spits burning lava and where the volcano throws off ash and rock rolling down the volcano. The eruption that destroyed Pompeii and Herculaneum was of this monstrous type of eruption.
Many times before an eruption, a volcano will "rumble" a bit. Before the actual eruption, witnesses reported seeing a very large "cloud" over the top of the mountain. This cloud was made from volcanic ash. This was called the “Plinian Stage” of a Composite eruption. The ash from a burned object is usually very light. It looks harmless. However, volcanic ash chokes and suffocates every living object; this is what happened when Mount Vesuvius erupted in 79 AD. Volcanic ash is thick and heavy on top of that it erupts in massive amounts, along with hot burning rocks.
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