volcano types
hazards
Volcano Fluids
Facts
100
a volcano which empties itself out and may collapse
What is caldera
100
this is a mixture of water and debris
What is a lahar
100
when held in a chamber under the earth we call it...
What is magma
100
a popular breeding ground for volcanoes
What is pacific ring of fire
200
a volcano which is quiet and has a low viscosity, smooth flowing lava
What is shield volcano
200
this hazard can collapse roofs
What is pyroclastic fall
200
fragments formed from violent eruptions
What is tephra
200
when lava piles up around the vent or the sides of a volcano, this occurs
What is volcano growth
300
this volcano has very explosive eruptions and is unique because of it's layers
What is strato-volcano
300
this is one of the most dangerous hazards
What is pyroclastic flow
300
two components that determine the "personality" of an eruption
What is gas and visocsity
300
pressure valves that release energy deep within the earth
What are volcanoes
400
this volcano often forms on the side of strato volcanoes or in depressions after a volcano has collapsed
What is lava dome
400
a shield volcano usually has creates this hazard
What is lava flow
400
thick and sticky
What is viscous
400
a volcano that hasn't erupted in 10,000 years
What is extinct
500
a relatively small volcano with steep side and cylindrical in shape
What is cinder cone
500
Large volumes of magma moving through the shallow crust can cause this
What is an earthquake
500
high gas and high viscosity
What is stratovolcano
500
the part of a volcano that lava escapes
What is vent