Parts of a volcano

9 Parts of a volcano from the inside. 1 1. Magma chamber. This is the part of the volcano located deepest underground, even beneath the Earth’s crust. The width of the magma chamber ranges … 2 2. Lava dome. 3 3. Magmatic dike. 4 4. Vent. 5 5. Fissure vents. More items

In this anatomy of a volcano, explore the basic geological features of a volcano such as Mt. St. Helens as well as the deadly materials released during volcanic eruptions. To learn more about the various numbered parts of this volcano diagram, read on.

Vent – An opening in Earth’s surface through which volcanic materials escape. Flank – The side of a volcano. Lava – Molten rock that erupts from a volcano that solidifies as it cools. Crater – Mouth of a volcano – surrounds a volcanic vent. Conduit – An underground passage magma travels through. Throat – Entrance of a volcano.