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18 questions
It is an opening in the earth’s crust through which hot molten magma (lava), rock and ash are erupted unto the land.
It is the channel which allows magma within the volcano to reach the surface in a volcanic eruption
crater
vent
magma chamber
lava
What f refers to the reservoir of magma located deep inside the volcano?
It is a region deep within the Earth's mantle from which heat rises through the process of convection.
chamber
mantle
core
hot spot
What m refers to molten materials inside the earth’s interior.
These are broad, dome-shaped volcanoes with long gently-sloped sides.
shield volcanoes
Cone volcanoes
composite volcanoes
dormant
________________ volcanoes are those that continue to erupt or are at risk of erupting.
Volcanic eruption eject many types of materials except one.
cinder
pyroclastic
boulders
pumice
What e occurs after a build-up of pressure causes rocks and other materials to give way.
What f refers to the place beneath the ground where the earthquake takes place?
What e refers to the point on the ground surface immediately above the focus.
What RS measures the magnitude of earthquakes?
The following are human activities that trigger earthquakes except one.
fracking
crustal loading
coal mining
deforestation
Which of the following is an indirect hazard of a volcanic eruption?
tsunami
mudflow
earthquake
volcanic gases
What nh is a natural event that causes damage to property and disruption of normal life and may cause loss of life?
Most volcanoes and earthquakes are located along the plate ____________________.
What is formed when subduction process takes place?
What is formed when two or more plates collide and no plate is subducted?
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