LAVA
VOLCANIC
ERUPTIONS
AFTER AN ERUPTION
VOLCANO
CAUSES OF VOLCANIC ERUPTION
100
molten rock
What is lava?
100
Nonexplosive
What is most common type eruption?
100
a lava lake
What is a pool of lava?
100
A shield volcano
What is built by layers of lava released from repeated nonexplosive eruptions?
100
The Ring of Fire
What is contains 75% of the world's active volcanoes on land?
200
Blocky, Pillow, Pahoehoe & Aa
What are the 4 types of lava ?
200
volcanic eruption
What is explosive pressure of magma and volcanic gases?
200
a physical danger from volcanic ash
What is suffication ?
200
shield, cinder cone, composite
What are the three basic types of volcano?
200
tectonic plate boundaries
What is likely places for volcanoes to form?
300
degrees
What is lavas temperature is measured in ?
300
volcano
What is a vent in Earths surface that spits out lava?
300
hunger and disease.
What are major effects resulting from a volcano erruption?
300
ash gases and magma
What is in a volcano?
300
high pressure and high temperature
What is forms magma in the Earth's crust and in upper layers of mantle?
400
magma
What is erupts as lava or pyroclastic material ?
400
volcanic bombs, lapilli, volcanic ash, volcanic block
What is the 4 types of pyroclastic material?
400
Global Climate Change
What is worst effect globally from a volcano?
400
composite volcanoes
What is the most common type of volcano?
400
a rift zone
What is an area of deep cracks that forms between 2 tectonic plates ?
500
60 km/h
What is max speed lava can flow ?
500
Explosive & nonexplosive
What is 2 types of eruptions ?
500
15 miles
What is top height of ash?
500
cinder cone volcanoes
What is volcanos formed by proclastic material on steep slopes?
500
a hot spot
What is an area of deep cracks that forms between 2 tectonic plates. ?
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