Volcano

Ring of Fire

Divergent Boundaries

Convergent Boundaries

Hotspots

Viscosity

Silica

Ash Cloud

Magma Chamber

Main Vent

Side Vent

Sill

Ash Layers

Craters

Magma

Lava

Pahoehoe

Aa

Eruptions

Quiet Eruptions

Explosive Eruptions

Pyroclastic Flows

Shied Volcano

Cinder Cone Volcano

Composite Volcano

Lava Plateau

Caldera

Ways to Monitor Volcanoes: Temperature

Ways to Monitor Volcanoes: Tilt

Ways to Monitor Volcanoes: Meters

Ways to Monitor Volcanoes: Earthquakes

Ways to Monitor Volcanoes: Gases