Tsunamis
Vocabulary
Measuring and Monitoring Earthquakes
Earthquake Damage
Earthquake Safety
100

How fast can a Tsunami go?

400-500mph

100

What does Tsunami mean (technical definition)?

A long high sea wave caused by an earthquake or other disturbance

100
A seismograph does this.
What is records seismic waves?
100

The higher the magnitude of an earthquake, the higher the _______________ caused.

What is damage?

100
These are the things you should do to stay safe during an earthquake.
What are drop, cover and hold?
200

How can a Tsunami happen?

Earthquake underwater, or any major disturbance in the water.

200

What does submerge mean?

put under water

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
Where are the places that earthquakes are least likely to happen?
What is far away from plate boundaries?
300
Other than an alarm system, what is an indicator of how you know a Tsunami is coming?

The waves receded changes

300

cause extensive destruction or ruin utterly

What is the definition of devastate?

300
These four things detect earthquakes.
What are tiltmeters, creep meters, GPS satellites and laser-ranging devices?
300

This is the number of the greatest level of earthquake on the Magnitude scale.

What is 10?

300
These three states of the US have the highest earthquake risk.
What are California, Alaska and Hawaii?
400

What does Tsunami mean in Japanese?

Harbor Wave

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 three types of scales for measuring earthquakes.
What are Mercalli, Richter and moment magnitude scales?
400

These are the signs of a level 10 magnitude earthquake.

What are surface cracks and severe structural damage?

400
This is what you should do immediately after an earthquake.
What is stay put because there could be aftershocks?
500

Where was the largest Tsunami located and how did it happen?

Alaska, a rock slide

500
This is the motion that surface waves make.
What is up and down and side to side?
500

How do you know what Magnitude an Earthquake is?

By how much damage it does

500
This is caused by displaced water when the sea-floor shifts during an earthquake.
What is a tsunami?
500
These are the kind of damage caused by earthquakes.
What are shaking, liquifaction, tsunamis and aftershocks?
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