Volcanos
A weak spot in the crust were molten material from the mantle, comes to the surface
Volcano
Volcanoes occurring in the middle of the plate, magma melts through the crust above it
Hotspots
Area where lava flows
Lava flow
Not active, but may become later on in the Future
Dormant volcano
Lava flows, clouds of ash and gases, landslide, and avalanches of mud, snow and rock
Volcanic hazards
A mixture of rock forming material gases and water
Magma
Collection of magma inside a volcano
Magma chamber
Material made of silica oxygen the hotter, the magma the thinner it is the more silica the magma contains the thicker. It is also helps to determine, if eruption is quiet or explodes.
Silica
Unlikely to erupt again
Extinct volcano
Layers of lava form a gentle slope to mountain
Shield
Liquid magma that comes to the surface
Lava
Long chamber that connects magma chamber to the
Pipe
Hazard is lava flow produce, hot, fast, moving lava
Pahoehoe is cooler slower, moving lava AA
Quiet eruptions
Ground water, heated by magma, rises to the surface and collects in the pool
Hot Springs
Steep cone shaped hill
Cinder cone
A belt a volcanoes that rim the Pacific ocean, volcanoes occur at divergent plate, boundaries, subduction, zones, or in the middle of plates
Ring of fire
Opening in volcano where magma leaves
Vent
Magma is thick produces a Pyroblastic flow ash cinders, and bombs fly out of the volcano
Explosives
Fountain of water and steam that erupts from the ground
Geyser
Cone shaped with alternating lava flows with eruptions of ash cinders and bombs
composite
Where Two oceanic plates, collide, converge, volcanoes, create a string of islands
Islands ark
Bowl shaped area around the center of volcano
Crater
erupting now and in the future
Active volcano
Source of energy where water is heated by magma
Geothermal energy
Layers of thin, runny lava built up over large aRea
Lava plateau