Vocabulary
Earth's structure
Earthquakes
Seismic waves
Miscellaneous
100
Large ocean waves generated by Earthquakes
What is a tusnami?
100
The layer located just beneath the crust.
What is the lithosphere?
100
The tectonic plates move past each other in opposite directions.
What is a strike-slip or transform fault?
100
The fastest moving type of wave.
What is a primary wave?
100
Most earthquakes occur along …
What are plate boundaries?
200
The point in Earth’s interior where energy is released in an earthquake.
What is the Focus?
200
A rigid layer composed of rocks.
What is the crust?
200
Tectonic plates come together.
What is a reverse fault or convergence?
200
This type of wave compresses and stretches apart in a relatively straight line.
What is a primary wave?
200
The number of seismograph stations that are needed to determine the epicenter of an earthquake.
What is three?
300
An instrument that records Earthquake activity
What is a seismograph?
300
The layer that has plastic-like properties and can be a liquid or solid.
What is the asthenosphere?
300
Tension forces two plates apart.
What is a normal fault or divergence?
300
The most destructive type of wave.
What is a surface wave?
300
He theorized the idea of Continental drift.
Who is Wegener?
400
One plate moves underneath another plate causing an earthquake.
What is subduction?
400
Tectonic plates “float” on this layer.
What is the asthenosphere?
400
The San Andreas fault is what type of fault?
What is a strike-slip or transform fault?
400
Waves move at right angles to the direction of the wave.
What is a secondary wave?
400
The location of both the Tonga and Marianna trenches.
What is the southwest Pacific ocean?
500
The measure of energy released during an earthquake.
What is magnitude?
500
A layer composed primarily of metals.
What is the inner core?
500
This type of fault exists 600 feet below New York City.
What is What is a reverse fault?
500
This type of wave forms “ripples” outward from the epicenter.
What is a surface wave?
500
Hot magma is pushed up through oceanic crust, forming a rift, forming opposing polarity stripes.
What is seafloor spreading?
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