When tectonic plates go under each other.
No
No. There is nothing any person can do to cause or prevent a volcanic eruption.
yes
It's eruption.
Plate tectonics
A volcanic eruption underwater is called a submarine volcanic eruption. By contrast, a volcanic eruption on land is called a subaerial eruption.
Cows and volcanic eruption.
A destructive margin
Yes. Krakatoa was a volcano. Therefore the eruption of Kraktoa was a volcanic eruption.
The deadliest volcanic eruption in the world was the eruption of the Tambora volcano in 1812, It caused an estimated 92,000 deaths.
No, climate and weather do not cause volcanic eruptions. However weather affects the products produced by a volcanic eruption.
There are no waves that are specifically called "volcanic waves"; however, a volcanic eruption can of course cause seismic waves. These can be longitudinal or transverse.