These countries have active volcanoes. Fifty to 70 volcano eruptions are recorded around the world each year. As of Feb. 21, 46 volcanoes have erupted; four of those occurred in the first two ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at Mount Spurr in the next few weeks or months has increased.

Volcanoes have created more than 80 percent of Earth’s land mass Without volcanoes much of the world’s surface would not exist. Volcanoes have created more than 80 percent of Earth’s land mass.