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 volcano. They can have violent eruptions and can grow ...

When the Kīlauea Volcano erupted in May 2018, an enormous amount of ash was released into the atmosphere in a plume nearly ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth’s crust that allows ... There are two main types of volcano: composite volcanoes are the most common ...

Axial Seamount, one of the most active underwater volcanoes in the world ... Below this, a conduit carries magma from deeper in the Earth’s crust, with melt fractions of 4-11%.

Most volcanoes are born along fault lines that intersect Earth's tectonic plates, because this is where the planet's crust is ...