Cinder cones are simple volcanoes that form where vents, or openings, spit out ash and lava. They can be cone- or oval-shaped, usually with a bowl-like crater at their summits.

The Bárðarbunga volcano system was responsible for Iceland's largest eruption for 300 years back in 2014. After a recent ...

Composite Volcanoes are tall, cone-shaped volcanoes built up from layers of lava flows, ash, and volcanic debris. They often erupt explosively and are known for their steep sides and symmetrical ...

Lava fountains bursting from the cone-shaped volcano overnight rose 650 feet in the air, the institute said.

After being quiet for 110 years, the cone-shaped Momotombo volcano in Nicaragua rumbled to life on Dec. 1. A haze of smoke continues to emanate from the volcano's crater.

Mauna Loa is a shield volcano. So are most of the much smaller volcanoes in Iceland. (Cone-shaped volcanoes, like Mount St. Helens, aren't shields but "stratovolcanoes.") ...

It's easy to see how ice volcanoes earned their nickname. NWS Grand Rapids posted a close-up photo that shows the cone-shaped ice with an explosion of slushy water spitting out of the top.

The identified volcanoes range from 328 feet (100 meters) to just over 12600 feet (3850 meters) in height, with cones that range from about two miles to just under 40 miles in dimeter.