Volcanoes

• Fissure - Elongated fracture crack on Earth's crust from which lava erupts.
• Conduit - Passageway through which magma travels to reach Earth's surface.
• Vent - Opening where volcanic materials are released.
• Crater - bowl-shaped depression at the top of the volcano where the vent is located.
• Flank - sides of a volcano.
• Magma chamber or reservoir - Underground compartment where the magma is stored.
• Composite Cone volcano - Steep upper slopes and relaxed lower slopes, small crater on it's summit.
• Stratovolcanoes are the most dangerous volcanoes.
• Shield Volcanoes - Usually low and broad, Resembling a warriors armor shield or a giant blob.
• Cinder cone volcanoes - Short-lived and appear like a wild fountain show.
• Hawaiian Eruption - Least violent type of eruption.
• Strombolian - Caused by the build up and release of gas bubbles within the magma.
• Vulcanian - Caused by build up of pressure from high vicious magma.
• Pelean - High speeds of ash gas and volcanic ashes down the slope.
• phreatic - also known as a steamblast eruption, occurs when groundwater is heated by magma or hot rock beneath the ground, leading to a sudden release of steam.
• Plinian - The most explosive and powerful of all