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 ...

Image caption, This is lava running from a shield volcano - a volcano formed where the tectonic plates move away from each other. Shield volcanoes on the other hand form at constructive tectonic ...

The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile beneath the sea’s surface, has been increasing with hundreds of small ...

Example: Mont Pelée. – Shield volcanoes: Form when lava cools to form a gently sloping dome. The Hawaiian island chain was created by oceanic shield volcanoes.