Forces in the Earth's Crust
Seismic Waves
Measuring and Monitoring Earthquakes
Earthquake Damage
Other
100
What causes earthquakes
when two blocks of the earth suddenly slip past one another.
100
These are the three types of seismic waves.
What are s-waves, p-waves and surface waves?
100
A seismograph does this.
What is records seismic waves?
100
Do we always feel it when an earthquake happens?
No
100

The point on the surface directly above where the earthquake originates

what is the epicenter

200

In this kind of fault, one plate moves up relative to the other side of the fault line.

What is a reverse fault?

200
This is the slowest type of wave.
What are surface waves?
200
This is the name of the waves drawn on paper by a seismograph.
What is a seismogram?
200
This is the area underground where the seismic waves of an earthquake originate.
What is the focus?
200

The place where two tectonic plates meet

What is plate boundary

300

This is the strength of an earthquake

What is magnitude?

300
These types of waves cause the most destruction.
What are surface waves?
300
how many points do we need to find the epicenter of a quake?
three
300

The earthquake scale that measures damage is called

What is the Mercalli Scale?

300

Undersea earthquake can cause?

What is a Tsunami

400
When two plates slide past each other?
What is a strike slip fault
400
What is the order of the arrival times of the different types of waves, from first to last.
What are p-waves, then s-waves, then surface waves.
400
These are two types of scales for measuring earthquakes.
What are Mercalli and Richter
400
what is the highest number on the richter scale?
10.0
400

The layer made up of the crust and upper mantle of the earth

What is the Lithosphere

500

These are the three types of faults.

What are normal, reverse and strike slip?

500
This is the motion that surface waves make.
What is up and down and side to side?
500
What is seismology
The science and study of earthquakes
500
The higher the magnitude of an earthquake, the higher the _______________ caused.
damage
500

These are the two types of surface waves

What are love waves and Rayleigh waves?

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