Earthquakes.

Anthony Kroll

Mrs. Smith

3rd Hour

April 8, 2011

Basic Background Information

What is an earthquake?A series of vibrations induced in the earth’s crust by the

abrupt rupture.How are earthquakes measured?By a seismometerWhat does magnitude mean?Size; Extent; Dimensions.

How is magnitude measured?The magnitude of most earthquakes is measured on the Richter Scale, invented by Charles F.

Richter in 1934.

Damage Caused by Earthquakes

• Type one type of damage here. Hanging objects start to swing and shake.

• Type one type of damage here. Plates and objects start to shake and stat to fall down.

• Type one type of damage here. Buildings start to break, and collapse.

• Type one type of damage here. Cracks in the roads, everything is broken, people are injured, some people are died.

Waves

What are earthquake waves called?

Seismic Waves

What two types of seismic waves are there?Type your answer here.

What two types of body waves are there?Type your answer here.

Body Waves

How do P waves travel?Type your answer here.

How do S waves travel?Type your answer here.

Which move faster?Type your answer here.

Elastic Rebound

Replace these directions with your description of elastic rebound.

You may also insert images or an animation to help explain.

In what type of plate boundary does elastic rebound occur?

The Tohoku Earthquake

This quake occurred at :Type in time

This quake occurred Type in the location

The magnitude of this quake wasType in the magnitude

Effects on the environment/earth

• Type one effect here

• Type one effect here

• Type one effect here

Replace these words with an appropriate image.

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Effects on the People of Japan

• Type one effect here

• Type one effect here

• Type one effect here

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Effects on the Economy of Japan

• Type one effect here

• Type one effect here

• Type one effect here

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GPS Sensors

• One interesting fact about this earthquake is that it moved several GPS sensors. This will require …(Type answer here)

• How does elastic rebound explain this movement?

Type your answer here.

Tsunamis• What is a tsunami?Type your answer here. You can erase the question.

• How do tsunami waves appear at sea?Type your answer here. You can erase the question.

• How high can tsunami waves be?Type your answer here. You can erase the question.

• How fast can tsunami waves move?Type your answer here. You can erase the question.

Websites Used

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