Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the type called a stratovolcano. These steep volcanoes sometimes erupt explosively and other times have calmer lava ...

Volcanic eruptions are perhaps nature's most terrifying display of power. Catastrophic eruptions of volcanoes like Mount Vesuvius, Krakatoa, and Mount St. Helens have gone down as some of the most ...