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Word Power
Terms
Earthquakes
Measurement
Faults
100
This is a vibration of Earth caused by the release of energy stored in rocks
What is an Earthquake
100
This is a way of measuring the strength of an earthquake
what is the Richter Scale?
100
a large crack in lauers of rock along which movement has occured
What is a fault?
100
the type of seismic waves that move up and down
What is S waves
100
The type of fault in which two rock slabs pull apart
What is a normal fault
200
This is the amount of energy released by an earthquake
What is magnitude
200
Type of fault where rock slabs are moving apart
What is a normal fault?
200
This is how the strength of an earthquake is described
What is the Richter Scale?
200
The type of seismic waves that move side to side
What are P waves
200
The type of fault in which rock slabs are pushing together
What is a reverse fault?
300
This a break in rocks along which the rocks have moved
fault
300
This can happen when there is an earthquake on the ocean floor
What is a tsunami?
300
a large sea wave caused by an earthquake on the oceanfloor
What is a tsunami?
300
These can be used to measure P and S waves
What is a seismograph?
300
The type of fault in which slabs of rock are moving horizontally past each other along a fault
What is a strike-slip fault?
400
This is the point at which an earthquake begins
What is the focus
400
Most earthquakes occur in places where tectonic plates are colliding, moving horizontally past each other or doing this
what is separating?
400
the point on Earth's surface directly above the focus of an earthquake
What is the epicenter
400
At any type of fault these are being exerted on two rock layers
What are forces
500
This is the type of fault where rock slabs are pushing together
What is a reverse fault
500
California has many earthquakes because it is located on an active one of these
What is fault?
500
before an earthquake can occur, this must build up in the rock layers
What is energy