Volcanoes are among Earth's most powerful natural features. They have shaped continents, created islands, influenced climate, and fascinated people for thousands of years. While volcanic eruptions can ...

(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

Globally, there is about one volcano erupting each week. Volcanic unrest kills an average of 500 people every year and costs the global economy roughly US$7 billion (£5.7 billion). With one in 20 ...

Similarly, some of the world’s most widely studied sleeping giants include Mount Fuji, Mount Rainier, and The Three Sisters in the United States. Although these volcanoes have been quiet for hundreds ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...