Show:
It's not my fault!
This is STRESSful!
Earthquakes
Volcanoes
Damage on aisle 3!
100
This type of fault occurs at a transform boundary.
What is a strike-slip fault?
100
The squeezing together of rocks by stress is called this.
What is compression?
100
S waves are also known as this.
What are secondary waves?
100
This type of volcano is erupting or may erupt in the near future.
What is active?
100
If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of this.
What is a tsunami?
200
This fault occurs at a divergent boundary and is a result of tension.
What is a normal fault?
200
Stress that pushes a mass of rock in two opposite directions is called this.
What is tension?
200
The point located directly above the focus on the surface of the earth is called this.
What is the epicenter?
200
A volcano that may erupt again at some time in the distant future is called this.
What is dormant?
200
This can cause damage days or months after a large earthquake.
What is an aftershock?
300
Geologists determine earthquake risk by locating where these are active.
What are faults?
300
This type of stress force produces reverse faults.
What is compression?
300
The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called this.
What are P waves or primary waves?
300
Before lava reaches the surface, the molten material is called this.
What is magma?
300
The process in which the violent shaking of an earthquake turns soft soil into liquid mud is called this.
What is liquefaction?
400
In a fault, the part of the fault that lies below the other part is called this.
What is the footwall?
400
During compression, a fold in rock that bends upward into an arch can form. This is called...
What is an anticline?
400
The point beneath Earth’s surface where rock breaks under stress and triggers an earthquake is called this.
What is the focus?
400
The formation of the Hawaiian Islands is one example of this, which can occur anywhere, even in the middle of a tectonic plate.
What is a hot spot?
400
The rating system that estimates the total energy released by an earthquake is called this.
What is the moment magnitude scale?
500
A large area of flat land elevated high above sea level is called this.
What is a plateau?
500
This type of stress causes a strike-slip fault.
What is shearing?
500
Vibrations that move through the ground carrying the energy released during an earthquake are called this.
What are seismic waves?
500
This eruption is likely to occur when a volcano's magma has a thick viscosity.
What is an explosive eruption?
500
This scale would most likely be used to tell how much earthquake damage was done to homes and other buildings.
What is the Mercalli scale?