Aa:
Active Volcano:
Andesite:
Ash:
Ashfall (Airfall):
Ashflow:
Avalanche:
Basalt:
Block:
Bomb:
Caldera:
Cinder Cone:
Composite volcano:
Continental crust:
Continental drift:
Crater:
Dacite:
Debris avalanche:
Detachment plane:
Dome:
Dormant volcano:
Ejecta:
Eruption:
Eruption cloud:
Eruptive vent:
Extinct volcano:
Fault:
Fissures:
Flank eruption:
Fumarole:
Geothermal energy:
Geothermal power:
Graben:
Harmonic Tremor:
Heat transfer:
Horizontal blast:
Hot-spot volcanoes:
Hydrothermal reservoir:
Lahar:
Lapilli:
Lava:
Lava Flow:
Lava tube:
Magma:
Magma chamber:
Mantle:
Magnitude:
Mudflow:
Nuee ardente:
Obsidian:
Oceanic crust:
Phreatic eruption (explosion):
Pillow lava:
Plate techtonics:
Plug:
Plug dome:
Pluton:
Pumic:
Pyroclastic:
Pyroclastic flow:
Rhylolite:
Ridge, Oceanic:
Rift system:
Ring of Fire:
Seafloor spreading:
Seismograph:
Shearing:
Shield volcano:
Silica:
Stratovolcano:
Spines:
Strike-slip fault:
Subduction zone:
Tephra:
Tsunami:
Tuff:
Vent:
Viscosity:
Volcanic complex:
Vulcan: