Mt. Everest is not a volcano, and has never erupted. Those who have died there died while trying to scale it.
About 147 people died when Mount Nyiragongo erupted in 2002. They victims died of asphyxiation from the large quantities of carbon dioxide in the air.
Quarter of an inch each year.
there were many warnings about mount St.Helen if they had an earthquake it would trigger the volcano to erupt causing the people to know if it will erupt or not
well i don't exacaly know because it was alot of years ago. It was in the 1880's.
There are not many people killed by volcanoes in a single year. This is because many volcanoes do not erupt yearly.
That would depend where the Volcano errupted and how many peole were standing around the volcano within the blast zone, or were unable to run away from the ensuing lava flow.
A volcano can erupt twice or even an infinite number of times. Most volcanoes erupt many times over their lives.
When a volcano is active it will erupt. These volcanoes might take many years to erupt but will still erupt.
About 60 volcanoes erupt each year.
An unlimited amount of volcanoes can erupt at once
Simple, people build around them either through ignorance or thinking it won't erupt.
As many as it wants. Some volcanoes erupt often, some infrequently