A tsunami is a series of waves usually caused by an underwater event like an earthquake or a volcanic eruption and they can cause serious damage to communities that are hit by them.
This is called an explosive eruption and we've seen it with Mount Etna in Sicily and Mount Saint Helens in the U.S. Explosive volcanic eruptions can be dangerous and deadly.
The European nation of Iceland is called that because it's home to both volcanoes and glaciers, and meteorologists say there are signs that a volcanic eruption is brewing.
Towards the middle of 1991, the second-largest volcanic eruption of the last century occurred in the Philippines not far from the capital city Manila on the island of Luzon.
A comparative analysis of ancient sedimentary rock formations revealed that the mass disappearance of prehistoric fauna was caused by multiple volcanic eruptions.