Should we be more worried? Scientists are counting down the hours until a major volcano erupts in Iceland with bated breath. It is not the only volcano that could shut down our world.
Hours to go before Iceland volcano erupts
Sleeping giant: The Fagradalsfjall volcano (above) could obliterate the entire town of Grindavik. Glossary
Molten - Liquefied by heat.
Eruption - An act or instance of erupting.
Meteorological - Meteorology is the science of weather.
Infrastructure - The basic systems and services that a country needs to keep it going.
Extinction - Completely dying out.
Ferocity - Savagery; brutality.
Tsunami - A Japanese word describing a succession of waves caused when an earthquake or volcano displaces a large body of water.
Ecuador - A country in South America.
Density - The compactness of a substance or object.
Seismic - Of enormous size or effect.
Agriculture - The practice of farming and growing food from the land.
Absolving - Declaring free from guilt or obligation.
Desensitised - Made less sensitive.