Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a ...

Volcanoes are generally classified into four main types: – Cinder cones: These are the simplest type of volcanoes. They are hills, often steep and formed by an accumulation of congealed lava ...

Named for the volcanoes in Hawaii, these are the least explosive type of eruptions. Very fluid lava is erupted, usually in the form of lava flows and lava fountains. These are named after the ...

The main place to find these types of volcanoes is the "Ring of Fire" that circles the Pacific Ocean. There are more than 450 volcanoes in the Ring of Fire, according to the National Oceanic and ...

There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

Contained within are “four dimensional videos” of a volcano’s underworld ... Crystals such as this can tell scientists what types of chemical ingredients are present in the magma that ...