Volcanoes
Earthquakes
Vocabulary
Miscellaneous
100

A fast moving, volcanic mudslide?

What is Tahar?

100

Creep is sometimes called this. 

What is aseismic slip?

100

the capacity of a rock to deform to large strains without macroscopic fracturing.

What is Ductile?

100

this type of rock is relatively silica poor

What is Basalt?

200

A volcano that has not erupted recently but looks fresh without erosion. 

What is dormant?

200

These waves have a shearing motion on the surface. 

What are Rayleigh waves?

200

Plastic deformation 

What is a small added stress yields large corresponding strains?

200

People build towns and farms around volcanoes for this reason.

What is fertile soil?

300

Sulfuric acid is erupted from volcanoes then react with water vape to create this. 

What is Acid Rain?

300

Where do major earthquakes most likely occur? 

What is On faults?

300

a characteristic of most rocks near or at the surface with low temperatures and pressure.

What is brittle?

300

This is the direction the pacific plate is moving.

What is northwest?

400

The largest recent volcanoes eruptions cooled the global temperature for this period of time. 

What is a few years only?

400

Earthquakes can trigger what in the oceans?

What are Tsunamis?

400

rupture

What is when a rock breaks down because of sufficient stress?

400

Subduction zones occur at this boundary. 

What is a convergent boundary? 

500

This is something in magma that affects the type of explosion and shape of volcanoes. 

What is silica content?

500

About 80% of all earthquakes occur here

What is "Ring of Fire"?

500

Elastic Limit

What is it is reached when the same increase in stress yields larger deformation than the previous same increase in stress. ?

500
This is the type of stress that occurs when different parts of an object start to move away or slide pass one another. 

What is shear stress?

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